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Carboxylation is a chemical reaction in which a carboxylic acid is produced by treating a substrate with carbon dioxide. The opposite reaction is decarboxylation. In chemistry, the term carbonation is sometimes used synonymously with carboxylation, especially when applied to the reaction of carbanionic reagents with CO... | 0 | Organic Reactions |
The Büchner–Curtius–Schlotterbeck reaction can be used to facilitate one carbon ring expansions when the substrate ketone is cyclic. For instance, the reaction of cyclopentanone with diazomethane forms cyclohexanone (shown below). The Büchner ring expansion reactions utilizing diazoalkanes have proven to be synthetica... | 0 | Organic Reactions |
The asymmetric Darzens reaction between aldehydes and (alpha)-haloesters is an effective method for the synthesis of glycidic esters. Chiral auxiliaries, chiral boron enolates, and asymmetric phase transfer catalysis have been used successfully to effect asymmetric induction in the Darzens reaction.
Diastereoselective ... | 0 | Organic Reactions |
Barium nitrite is a chemical compound, the nitrous acid salt of barium. It has the chemical formula Ba(NO). It is a water-soluble yellow powder. It is used to prepare other metal nitrites, such as lithium nitrite.
__TOC__ | 1 | Inorganic Reactions + Inorganic Compounds |
HCN is obtainable from fruits that have a pit, such as cherries, apricots, apples, and bitter almonds, from which almond oil and flavoring are made. Many of these pits contain small amounts of cyanohydrins such as mandelonitrile and amygdalin, which slowly release hydrogen cyanide. One hundred grams of crushed apple se... | 1 | Inorganic Reactions + Inorganic Compounds |
The decreasing electronegativity with increasingly heavy chalcogenides leads to a reversal of the dipole. In NO, oxygen is the more electronegative element. In NS, nitrogen is more electronegative. The NS radical is significantly more unstable and prone to catenation than NO. | 1 | Inorganic Reactions + Inorganic Compounds |
Hydrolysis of xenon hexafluoride or xenon tetrafluoride yields a solution from which colorless XeO crystals can be obtained by evaporation. The crystals are stable for days in dry air, but readily absorb water from humid air to form a concentrated solution. The crystal structure is orthorhombic with a = 6.163 Å, b = 8.... | 1 | Inorganic Reactions + Inorganic Compounds |
The intramolecular Heck reaction may be used to form rings of a variety of sizes and topologies. β-Hydride elimination need not be the final step of the reaction, and tandem methods have been developed that involve the interception of palladium alkyl intermediates formed after migratory insertion by an additional react... | 0 | Organic Reactions |
Two-metal dual activation represents the combination of the enolate activation mode and the alkyne activation mode into a single reaction system. Generally, a hard, oxophilic metal (K, Na, Ag) activates the enolate oxygen, while a soft, carbophilic metal (Pd, Cu, Mo) coordinates with the alkyne. In some instances, howe... | 0 | Organic Reactions |
Strontium bromate is a rarely considered chemical in the laboratory or in industries. It is, however, mentioned in the book Uncle Tungsten: Memories of a Chemical Boyhood by Oliver Sacks. There it is said that this salt glows when crystallized from a saturated aqueous solution. Chemically this salt is soluble in water,... | 1 | Inorganic Reactions + Inorganic Compounds |
is built up of double layers of hydroxyl groups with aluminium ions occupying two-thirds of the octahedral holes between the two layers. Four polymorphs are recognized. All feature layers of octahedral aluminium hydroxide units, with hydrogen bonds between the layers. The polymorphs differ in terms of the stacking of t... | 1 | Inorganic Reactions + Inorganic Compounds |
One of the methods of synthesis is the reaction of direct neutralization of oxalic acid with lithium hydroxide: | 1 | Inorganic Reactions + Inorganic Compounds |
The redox mechanism involves a change in the oxidation state of the catalytic material. In this mechanism, CO is oxidized by an O-atom intrinsically belonging to the catalytic material to form CO. A water molecule undergoes dissociative adsorption at the newly formed O-vacancy to yield two hydroxyls. The hydroxyls disp... | 1 | Inorganic Reactions + Inorganic Compounds |
A detailed mechanism for the Murai reaction has not been elucidated. Experimental and computational studies give evidence for at least two different mechanisms, depending on the catalyst. For catalysts such as [Ru(H)(CO)(PR)] which are active as Ru, a combination of computational density functional studies and experime... | 0 | Organic Reactions |
Sodium aluminosilicate refers to compounds which contain sodium, aluminium, silicon and oxygen, and which may also contain water. These include synthetic amorphous sodium aluminosilicate, a few naturally occurring minerals and synthetic zeolites. Synthetic amorphous sodium aluminosilicate is widely used as a food addi... | 1 | Inorganic Reactions + Inorganic Compounds |
Sodium molybdate, NaMoO, is useful as a source of molybdenum. This white, crystalline salt is often encountered as the dihydrate, NaMoO·2HO. | 1 | Inorganic Reactions + Inorganic Compounds |
Reaction of soluble lanthanum nitrate with an excess of oxalic acid:
Also, a reaction of lanthanum chloride with oxalic acid: | 1 | Inorganic Reactions + Inorganic Compounds |
Barium azide can be used to make azides of magnesium, sodium, potassium, lithium, rubidium and zinc with their respective sulfates.
It can also be used as a source for high purity nitrogen by heating:
This reaction liberates metallic barium, which is used as a getter in vacuum applications. | 1 | Inorganic Reactions + Inorganic Compounds |
Generally this topic is discussed when covering tandem mass spectrometry fragmentation and occurs generally by the same mechanisms.
For example, of a mechanism of alpha-cleavage, an electron is knocked off an atom (usually by electron collision) to form a radical cation. Electron removal generally happens in the follow... | 0 | Organic Reactions |
In the Hunsdiecker reaction, carboxylic acids are converted to organic halide, whose carbon chain is shortened by one carbon atom with respect to the carbon chain of the particular carboxylic acid. The carboxylic acid is first converted to its silver salt, which is then oxidized with halogen:
Many organometallic compou... | 0 | Organic Reactions |
Some authors have shown that neurons can produce hydrogen cyanide upon activation of their opioid receptors by endogenous or exogenous opioids. They have also shown that neuronal production of HCN activates NMDA receptors and plays a role in signal transduction between neuronal cells (neurotransmission). Moreover, incr... | 1 | Inorganic Reactions + Inorganic Compounds |
The Hirao coupling (also called the Hirao reaction or the Hirao cross-coupling) is the chemical reaction involving the palladium-catalyzed cross-coupling of a dialkyl phosphite and an aryl halide to form a phosphonate.
This reaction is named after Toshikazu Hirao and is related to the Michaelis-Arbuzov reaction. In con... | 0 | Organic Reactions |
Hydrogen cyanide will react with alkenes under catalysis of nickel complexes. This reaction is called hydrocyanation.
:RCH=CH + HCN → RCH-CH-CN
Four molecules of HCN will tetramerize into diaminomaleonitrile, which can be converted to various purines. | 1 | Inorganic Reactions + Inorganic Compounds |
Hexaammineplatinum(IV) chloride is the chemical compound with the formula [Pt(NH)]Cl. It is the chloride salt of the metal ammine complex [Pt(NH)]. The cation features six ammonia (called ammines in coordination chemistry) ligands attached to the platinum(IV) ion. It is a white, water soluble solid. | 1 | Inorganic Reactions + Inorganic Compounds |
The active site of PLE facilitates both substrate binding and hydrolysis. A key serine residue in the active site promotes hydrolysis, but the substrate must present an ester group to this residue after binding to the enzyme active site for hydrolysis to take place. Whether the substrate is able to present an ester gro... | 0 | Organic Reactions |
A mixture of bromo acetal 1 (549 mg, 1.78 mmol), AIBN (30.3 mg, 0.185 mmol), and BuSnH (0.65 mL, 2.42 mmol) in dry benzene (12 mL) was heated under reflux for 1 hour and then evaporated under reduced pressure. Silicagel column chromatography of the crude product with hexane–EtOAc (92:8) as eluant gave tetrahydropyran 2... | 0 | Organic Reactions |
Aluminium hydroxide, , is found in nature as the mineral gibbsite (also known as hydrargillite) and its three much rarer polymorphs: bayerite, doyleite, and nordstrandite. Aluminium hydroxide is amphoteric, i.e., it has both basic and acidic properties. Closely related are aluminium oxide hydroxide, AlO(OH), and alumin... | 1 | Inorganic Reactions + Inorganic Compounds |
Iodolactonization (or, more generally, halolactonization) is an organic reaction that forms a ring (the lactone) by the addition of an oxygen and iodine across a carbon-carbon double bond. It is an intramolecular variant of the halohydrin synthesis reaction. The reaction was first reported by M. J. Bougalt in 1904 and ... | 0 | Organic Reactions |
Amino acid N-carboxyanhydrides, also called Leuchs' anhydrides, are a family of heterocyclic organic compounds derived from amino acids. They are white, moisture-reactive solids. They have been evaluated for applications the field of biomaterials. | 0 | Organic Reactions |
Some electronic properties of gallium arsenide are superior to those of silicon. It has a higher saturated electron velocity and higher electron mobility, allowing gallium arsenide transistors to function at frequencies in excess of 250 GHz. GaAs devices are relatively insensitive to overheating, owing to their wider e... | 1 | Inorganic Reactions + Inorganic Compounds |
In the presence of excess arsenic, GaAs boules grow with crystallographic defects; specifically, arsenic antisite defects (an arsenic atom at a gallium atom site within the crystal lattice). The electronic properties of these defects (interacting with others) cause the Fermi level to be pinned to near the center of the... | 1 | Inorganic Reactions + Inorganic Compounds |
Thin films of lanthanum aluminate were considered as candidate materials for high-k dielectrics in the early-mid 2000s. Despite their attractive relative dielectric constant of ~25, they were not stable enough in contact with silicon at the relevant temperatures (~1000 °C). | 1 | Inorganic Reactions + Inorganic Compounds |
in sodium hydroxide at 50–70 °C followed by crystallizing the filtered product. If crystallized below 10 °C, the decahydrate forms. Above 10 °C, the dihydate crystallizes. The anhydrous salt is obtained by heating this product at 100 °C. | 1 | Inorganic Reactions + Inorganic Compounds |
Reaction of 1-norbornyllithium with the ·THF in pentane produces the brown, thermally stable tetrakis(1-norbornyl)cobalt(IV) — a rare example of a stable transition metal/saturated alkane compound, different products are obtained in other solvents. | 1 | Inorganic Reactions + Inorganic Compounds |
Red iron(III) oxide (FeO, commonly known as rust) is the most common iron oxide used in thermite. Black iron(II,III) oxide (FeO, magnetite) also works. Other oxides are occasionally used, such as MnO in manganese thermite, CrO in chromium thermite, SiO (quartz) in silicon thermite, or copper(II) oxide in copper thermit... | 1 | Inorganic Reactions + Inorganic Compounds |
Electrophilic alkylating agents deliver the equivalent of an alkyl cation. Alkyl halides are typical alkylating agents. Trimethyloxonium tetrafluoroborate and triethyloxonium tetrafluoroborate are particularly strong electrophiles due to their overt positive charge and an inert leaving group (dimethyl or diethyl ether... | 0 | Organic Reactions |
Sodium hydroxide has been used for detection of carbon monoxide poisoning, with blood samples of such patients turning to a vermilion color upon the addition of a few drops of sodium hydroxide. Today, carbon monoxide poisoning can be detected by CO oximetry. | 1 | Inorganic Reactions + Inorganic Compounds |
High-brightness GaN light-emitting diodes (LEDs) completed the range of primary colors, and made possible applications such as daylight visible full-color LED displays, white LEDs and blue laser devices. The first GaN-based high-brightness LEDs used a thin film of GaN deposited via metalorganic vapour-phase epitaxy (MO... | 1 | Inorganic Reactions + Inorganic Compounds |
Trifluoroiodomethane is a reagent in aromatic coupling reactions. It has also been used with enones, for example with chalcone, a reaction catalysed by diethyl zinc and Wilkinson's catalyst: | 0 | Organic Reactions |
Praseodymium(III) nitride forms black crystals of a cubic system. The space group is Fm3m, with cell parameter a = 0.5165 nm, Z = 4, its structure similar to that of sodium chloride (NaCl).
The compound is readily hydrolyzed with water and reacts with acids. | 1 | Inorganic Reactions + Inorganic Compounds |
UF is prepared from UO in a fluidized bed by reaction with HF. The UO is derived from mining operations. Around 60,000 tonnes per year are prepared in this way annually. A common impurity is UOF. UF4 is susceptible to hydrolysis as well.
UF is formed by the reaction of UF with hydrogen gas in a vertical tube-type react... | 1 | Inorganic Reactions + Inorganic Compounds |
The Claus reaction is an example of comproportionation reaction (the inverse of disproportionation) involving hydrogen sulfide () and sulfur dioxide () to produce elemental sulfur and water as follows:
The Claus reaction is one of the chemical reactions involved in the Claus process used for the desulfurization of gase... | 0 | Organic Reactions |
Some radioactive iodide salts of sodium, including NaI and NaI, have radiopharmaceutical uses for thyroid cancer and hyperthyroidism or as radioactive tracer in imaging (see Isotopes of iodine > Radioiodines I-123, I-124, I-125, and I-131 in medicine and biology). | 1 | Inorganic Reactions + Inorganic Compounds |
In type I rearrangements (Y-A-B-X conversion to X-A-B-Y) the two migrating groups are oriented trans to each other and as a result of the rearrangement they migrate to opposite sides. The first example of a dyotropic rearrangement involving a carbon-carbon bond was reported by Cyril A. Grob and Saul Winstein. They obse... | 0 | Organic Reactions |
The Heck–Matsuda (HM) reaction is an organic reaction and a type of palladium catalysed arylation of olefins that uses arenediazonium salts as an alternative to aryl halides and triflates.
The use of arenediazonium salts presents some advantages over traditional aryl halide electrophiles, for example, the use of phosph... | 0 | Organic Reactions |
Imines may be reduced enantioselectively using stoichiometric amounts of chiral metal hydrides. Such methods have the advantage that they are easy to implement. Reduction with hydrosilanes is a second alternative to transition-metal catalyzed hydrogenation. | 0 | Organic Reactions |
Wolffram’s Red Salt is an inorganic compound with the double salt formula [Pt(CHNH)Cl] [Pt(CHNH)]Cl·4HO. This compound is an early example of a one-dimensional coordination polymer, serving as a representative structure for studies in solid-state physics. This species has been of interest due to the unusual mixed valen... | 1 | Inorganic Reactions + Inorganic Compounds |
Enantioselective benzylic functionalization reactions depend on the use of enantiomerically pure, planar chiral chromium arene complexes. This section describes methods for the enantioselective synthesis of planar chiral chromium arene complexes, then outlines methods for functionalization of both sp- and sp-hybridized... | 0 | Organic Reactions |
A versatile dialkylborane is 9-BBN. Also called "banana borane", it exists as a dimer. It can be distilled without decomposition at 195 °C (12mm Hg). Reactions with 9-BBN typically occur at 60–80 °C, with most alkenes reacting within one hour. Tetrasubstituted alkenes add 9-BBN at elevated temperature. Hydroboration of... | 0 | Organic Reactions |
Vicinal difunctionalization reactions, most generally, lead to new bonds at two adjacent carbon atoms. Often this takes place in a stereocontrolled fashion, particularly if both bonds are formed simultaneously, as in the Diels-Alder reaction. Activated double bonds represent a useful handle for vicinal difunctionalizat... | 0 | Organic Reactions |
Anhydrous zinc chloride is able to melt and boil without any decomposition until 900 °C in an inert atmosphere. However, in the presence of oxygen, zinc chloride oxidizes to zinc oxide above 400 °C.
When hydrated zinc chloride is heated, Zn(OH)Cl is produced instead of anhydrous zinc chloride: | 1 | Inorganic Reactions + Inorganic Compounds |
Disarming sugars can also be accomplished by adding 1,3-dioxane and 1,3-dioxolane protecting groups onto sugars. These protecting groups “lock” the sugars into a rigid chair conformation. When the sugar forms the necessary oxocarbenium ion, it flattens at the anomeric position. This change in configuration is a high-en... | 0 | Organic Reactions |
In chemistry, a concerted reaction is a chemical reaction in which all bond breaking and bond making occurs in a single step. Reactive intermediates or other unstable high energy intermediates are not involved. Concerted reaction rates tend not to depend on solvent polarity ruling out large buildup of charge in the tra... | 0 | Organic Reactions |
The complex [Ru(o-CHPPh)(H)(CO)(PPh)] catalyzes the Murai reaction at room temperature. For [Ru(H)(H)(PR)], the active complex is [Ru(H)(PR)].
After the active form of the ruthenium catalyst complex is generated from 1, acetophenone coordinates to the complex via its carbonyl oxygen and agostically via its ortho C-H bo... | 0 | Organic Reactions |
Through hot-isostatically pressing (HIP) a ZrWO-Cu composite (system) can be realized. Work done by C. Verdon and D.C. Dunand in 1997 used similarly sized zirconium tungstate and copper powder in a low carbon steel can coated with Cu, and they were HIPed under 103MPa pressure for 3 hours at 600 °C. A control experimen... | 1 | Inorganic Reactions + Inorganic Compounds |
In a similar fashion, sodium hydroxide is used to digest tissues, as in a process that was used with farm animals at one time. This process involved placing a carcass into a sealed chamber, then adding a mixture of sodium hydroxide and water (which breaks the chemical bonds that keep the flesh intact). This eventually ... | 1 | Inorganic Reactions + Inorganic Compounds |
Borate anions (and functional groups) consist of trigonal planar and/or tetrahedral structural units, joined together via shared oxygen atoms (corners) or atom pairs (edges) into larger clusters so as to construct various ions such as , , , , , etc. These anions may be cyclic or linear in structure, and can further p... | 1 | Inorganic Reactions + Inorganic Compounds |
The earliest observation of a cycloheptadiene via the title rearrangement was made by Baeyer in his synthesis of eucarvone from carvone hydrobromide. Mechanistic studies revealed that the rearrangement did indeed proceed via a concerted, Cope-type mechanism.
In the Eschenmoser synthesis of colchicine, the rearrangement... | 0 | Organic Reactions |
Molybdenum(V) chloride is the inorganic compound with the empirical formula . This dark volatile solid is used in research to prepare other molybdenum compounds. It is moisture-sensitive and soluble in chlorinated solvents. | 1 | Inorganic Reactions + Inorganic Compounds |
Trifluoromethanesulfonyl chloride (or triflyl chloride, CF3SO2Cl) can be used in a highly efficient method to introduce a trifluoromethyl group to aromatic and heteroaromatic systems, including known pharmaceuticals such as Lipitor. The chemistry is general and mild, and uses a photoredox catalyst and a light source at... | 0 | Organic Reactions |
The general methodology of TAP data analysis, developed in a series of papers by Grigoriy (Gregory) Yablonsky
is based on comparing an inert gas response which is controlled only by Knudsen diffusion
with a reactive gas response which is controlled by diffusion as well as adsorption and chemical reactions on the cata... | 1 | Inorganic Reactions + Inorganic Compounds |
The Danheiser annulation or Danheiser TMS-cyclopentene annulation is an organic reaction of an α,β-unsaturated ketone and a trialkylsilylallene (e.g., trimethylsilyl- or triisopropylsilyl-) in the presence of a Lewis Acid to give a trialkylsilylcyclopentene in a regiocontrolled annulation. | 0 | Organic Reactions |
Carbohydrate synthesis is a sub-field of organic chemistry concerned with generating complex carbohydrate structures from simple units (monosaccharides) through natural or unnatural processes. The generation of carbohydrate structures involves linking glycosyl groups like monosaccharides or oligosaccharides through gly... | 0 | Organic Reactions |
Lanthanum aluminate is an inorganic compound with the formula LaAlO, often abbreviated as LAO. It is an optically transparent ceramic oxide with a distorted perovskite structure. | 1 | Inorganic Reactions + Inorganic Compounds |
Temporal Analysis of Products (TAP), (TAP-2), (TAP-3) is an experimental technique for studying
the kinetics of physico-chemical interactions
between gases and complex solid materials, primarily heterogeneous catalysts.
The TAP methodology is based on short pulse-response experiments at low background pressure (10-10... | 1 | Inorganic Reactions + Inorganic Compounds |
Transglycosylation, which involves the reversible transfer of a sugar moiety from one heterocyclic base to another, is effective for the conversion of pyrimidine nucleosides to purine nucleosides. Most other transglycosylation reactions are low yielding due to a small thermodynamic difference between equilibrating nucl... | 0 | Organic Reactions |
Evidence suggests that NS can react with itself to reach NS, NS, and polymers of the form (NS). (NS) forms from polymerization of cyclo-NS.
Trans-NSSN results from direct dimerization of NS.
NS has been observed through photoelectron spectroscopy of vapors of the (SN), polymer, but has not yet been characterized furthe... | 1 | Inorganic Reactions + Inorganic Compounds |
The Wöhler synthesis is the conversion of ammonium cyanate into urea. This chemical reaction was described in 1828 by Friedrich Wöhler. It is often cited as the starting point of modern organic chemistry. Although the Wöhler reaction concerns the conversion of ammonium cyanate, this salt appears only as an (unstable) i... | 0 | Organic Reactions |
In chemistry, oxychlorination is a process for generating the equivalent of chlorine gas (Cl) from hydrogen chloride and oxygen. This process is attractive industrially because hydrogen chloride is less expensive than chlorine. | 0 | Organic Reactions |
Hydrogen for the reduction of C=N double bond can either be provided by hydrogen gas (H) or transferred from sources of H, such as alcohols and formic acid. The process is usually catalyzed by transition metal complexes. For metal catalyzed reactions, the transfer of H to the imine can proceed by either inner sphere o... | 0 | Organic Reactions |
Halogenation of saturated hydrocarbons is a substitution reaction. The reaction typically requires free radical pathways. The regiochemistry of the halogenation of alkanes is largely determined by the relative weakness of the C–H bonds. This trend is reflected by the faster reaction at tertiary and secondary positions.... | 0 | Organic Reactions |
Traditionally, aryl amination is difficult reaction which usually requires "activated" aryl halides, such as those with strong electron-withdrawing groups such as nitro groups ortho or para to the halogen atom. For the arylation of amines with unactivated aryl halides, the Buchwald-Hartwig reaction is useful. In this ... | 0 | Organic Reactions |
The radical decay time of NS alone is on the order of 1-3 ms. As evident by no change to this decay time upon addition of NO or O at ambient temperatures, the NS radical is unreactive with NO and O. However, rapid, first-order decay is observed with the addition of NO. This reaction is proposed to proceed through vario... | 1 | Inorganic Reactions + Inorganic Compounds |
Three modes allow the addition of allylstannanes to carbonyls: thermal addition, Lewis-acid-promoted addition, and addition involving prior transmetalation. Each of these modes invokes a unique model for stereocontrol, but in all cases, a distinction is made between reagent and substrate control. Substrate-controlled a... | 0 | Organic Reactions |
Dilute aqueous zinc chloride was used as a disinfectant under the name "Burnett's Disinfecting Fluid".
From 1839 Sir William Burnett promoted its use as a disinfectant as well as a wood preservative. The Royal Navy conducted trials into its use as a disinfectant in the late 1840s, including during the cholera epidemic... | 1 | Inorganic Reactions + Inorganic Compounds |
The salt is prepared by the addition of elemental sulfur to potassium sulfide. An idealized equation is shown for potassium hydrosulfide:
The structure consists of zigzag chains of paired with ions. | 1 | Inorganic Reactions + Inorganic Compounds |
A strong base deprotonates the dicarbonyl α-carbon. This carbon is preferred over the methyl carbon because the formed enolate is conjugated and thus resonance stabilized. The carbon then undergoes nucleophilic substitution. When heated with aqueous acid, the newly alkylated ester is hydrolyzed to a β-keto acid, whi... | 0 | Organic Reactions |
is stable to air. It is, however, unstable in the thermodynamic sense with a positive enthalpy of formation of +460 kJ/mol. This endothermic enthalpy of formation originates in the difference in energy of compared to its highly stable decomposition products:
Because one of its decomposition products is a gas, can be ... | 1 | Inorganic Reactions + Inorganic Compounds |
Scandium(III) sulfide is a chemical compound of scandium and sulfur with the chemical formula ScS. It is a yellow solid. | 1 | Inorganic Reactions + Inorganic Compounds |
In a conventional oil refinery, isobutane is alkylated with low-molecular-weight alkenes (primarily a mixture of propene and butene) in the presence of a Brønsted acid catalyst, which can include solid acids (zeolites). The catalyst protonates the alkenes (propene, butene) to produce carbocations, which alkylate isobut... | 0 | Organic Reactions |
Sodium hydroxide is used in some cement mix plasticisers. This helps homogenise cement mixes, preventing segregation of sands and cement, decreases the amount of water required in a mix and increases workability of the cement product, be it mortar, render or concrete. | 1 | Inorganic Reactions + Inorganic Compounds |
Thermite usage is hazardous due to the extremely high temperatures produced and the extreme difficulty in smothering a reaction once initiated. Small streams of molten iron released in the reaction can travel considerable distances and may melt through metal containers, igniting their contents. Additionally, flammable ... | 1 | Inorganic Reactions + Inorganic Compounds |
Sodium hydroxide is used to detect the presence of flavonoids. About 5 mg of a compound is dissolved in water, warmed, and filtered. 10% aqueous sodium hydroxide is added to 2 ml of this solution. This produces a yellow coloration. A change in color from yellow to colorless on addition of dilute hydrochloric acid is an... | 1 | Inorganic Reactions + Inorganic Compounds |
The orthoborate ion is known in the solid state, for example, in calcium orthoborate , where it adopts a nearly trigonal planar structure. It is a structural analogue of the carbonate anion , with which it is isoelectronic. Simple bonding theories point to the trigonal planar structure. In terms of valence bond theory,... | 1 | Inorganic Reactions + Inorganic Compounds |
Naturally occurring minerals that are sometimes given the chemical name, sodium aluminosilicate include albite (NaAlSiO, an end-member of the plagioclase series) and jadeite (NaAlSiO). | 1 | Inorganic Reactions + Inorganic Compounds |
Copper thermite can be prepared using either copper(I) oxide (CuO, red) or copper(II) oxide (CuO, black). The burn rate tends to be very fast and the melting point of copper is relatively low, so the reaction produces a significant amount of molten copper in a very short time. Copper(II) thermite reactions can be so fa... | 1 | Inorganic Reactions + Inorganic Compounds |
serves as a Lewis base by binding through nitrogen to strongly Lewis acidic compounds such as Antimony pentachloride| and Sulfur trioxide|. The cage is distorted in these adducts.
The reaction of with is reported to form a complex where a sulfur forms a dative bond to the metal. This compound upon standing is isomeri... | 1 | Inorganic Reactions + Inorganic Compounds |
Type II rearrangements often involve double hydrogen migration in a carbon skeleton. This reaction type can be found in certain transfer hydrogenations. An example is hydrogen transfer in syn-sesquinorbornene
disulfones. | 0 | Organic Reactions |
Praseodymium(IV) fluoride forms light yellow crystals. The crystal structure is anticubic and isomorphic to that of uranium tetrafluoride UF. It decomposes when heated:
Due to the high normal potential of the tetravalent praseodymium cations (Pr3+ / Pr4+: +3.2 V), praseodymium(IV) fluoride decomposes in water, releasin... | 1 | Inorganic Reactions + Inorganic Compounds |
Adenoviral E1A-associated protein of 300kDa (p300) and the CREB-binding protein (CBP) make up the next family of HATs. This family of HATs contain HAT domains that are approximately 500 residues long and contain bromodomains as well as three cysteine-histidine rich domains that help with protein interactions. These HAT... | 0 | Organic Reactions |
Source:
n-Butyllithium (14.0 mL of a 2.5 M solution in hexane, 35 mmol) was added dropwise to a solution of 2,6-dimethylanisole (4.95 mL, 35 mmol) in 60 mL of tetrahydrofuran at 0°, and the resulting solution was stirred at 0° for 1 hour and then at ambient temperature for 4 hours. The reaction mixture was cooled to... | 0 | Organic Reactions |
Methylation, in the chemical sciences, is the addition of a methyl group on a substrate, or the substitution of an atom (or group) by a methyl group. Methylation is a form of alkylation, with a methyl group replacing a hydrogen atom. These terms are commonly used in chemistry, biochemistry, soil science, and biology.
... | 0 | Organic Reactions |
Vinyl and aryl Grignard reagents couple with primary alkyl halides in the presence of a catalytic amount of a copper(I) halide salt. The use of LiCuCl rather than simple copper(I) halide salts (CuX) improves yields of these coupling reactions.
The addition of Grignard reagents to alkynes is facilitated by a catalytic a... | 0 | Organic Reactions |
*The Inorganic Crystal Structure Database (ICSD) in its definition of "inorganic" carbon compounds, states that such compounds may contain either C-H or C-C bonds, but not both.
*The book series Inorganic Syntheses does not define inorganic compounds. The majority of its content deals with metal complexes of organic li... | 1 | Inorganic Reactions + Inorganic Compounds |
XeO should be handled with great caution. Samples have detonated when undisturbed at room temperature. Dry crystals react explosively with cellulose. | 1 | Inorganic Reactions + Inorganic Compounds |
Neptunium diarsenide forms crystals of the tetragonal system, space group P4/nmm, cell parameters a = 0.3958 nm, c = 0.8098 nm. | 1 | Inorganic Reactions + Inorganic Compounds |
GaN-based violet laser diodes are used to read Blu-ray Discs. The mixture of GaN with In (InGaN) or Al (AlGaN) with a band gap dependent on the ratio of In or Al to GaN allows the manufacture of light-emitting diodes (LEDs) with colors that can go from red to ultra-violet. | 1 | Inorganic Reactions + Inorganic Compounds |
The Class IIB HDACs include HDAC6 and HDAC10. These two HDACs are most closely related to each other in overall sequence. However, HDAC6's catalytic domain is most similar to HDAC9. A unique feature of HDAC6 is that it contains two catalytic domains in tandem of one another. Another unique feature of HDAC6 is the HDAC6... | 0 | Organic Reactions |
Sodium hydroxide is also widely used in pulping of wood for making paper or regenerated fibers. Along with sodium sulfide, sodium hydroxide is a key component of the white liquor solution used to separate lignin from cellulose fibers in the kraft process. It also plays a key role in several later stages of the process ... | 1 | Inorganic Reactions + Inorganic Compounds |
Histone Acetyltransferases, also known as HATs, are a family of enzymes that acetylate the histone tails of the nucleosome. This, and other modifications, are expressed based on the varying states of the cellular environment. Many proteins with acetylating abilities have been documented and, after a time, were categori... | 0 | Organic Reactions |
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