Collins reagent is the complex of chromium(VI) oxide with pyridine in dichloromethane. This metal-pyridine complex, a red solid, is used to oxidize primary...
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substance. Examples include the Collins reagent, Fenton's reagent, and Grignard reagents. In analytical chemistry, a reagent is a compound or mixture used...
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Jones oxidation (redirect from Jones reagent)
has subsided because milder, more selective reagents have been developed, e.g. Collins reagent. Jones reagent is a solution prepared by dissolving chromium...
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This is a list of inorganic and organic reagents commonly used in chemistry. Reagents are "substances or compounds that are added to a system in order...
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Alcohol oxidation (section Chromium(VI) reagents)
more selective than Collins reagent in oxidations of alcohols. The above reagents represent improvements over the older Jones reagent, a solution of chromium...
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oxidations by the use of Collins reagent, a complex of chromium(VI) oxide with pyridine in dichloromethane. The mechanism of the Collins oxidation is a relatively...
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Oxidation with chromium(VI) complexes (section Inventory of Cr(VI)-pyridine and pyridinium reagents)
principal reagents are Collins reagent, PDC, and PCC. These reagents represent improvements over inorganic chromium(VI) reagents such as Jones reagent. Cr(VI)-pyridine...
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Benedict's reagent (often called Benedict's qualitative solution or Benedict's solution) is a chemical reagent and complex mixture of sodium carbonate...
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pyridinium chlorochromate and Collins reagent. Because of their toxicity, these reagents are rarely used nowadays. The Cornforth reagent is prepared by slow addition...
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introduction of the Collins oxidation. The active ingredient in both the Sarett reagent is identical to that in the so-called "Collins reagent", i.e. the pyridine...
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Chromic acid (section Alternative reagents)
and pyridinium chloride. This reagent converts primary alcohols to the corresponding aldehydes (R–CHO). Collins reagent is an adduct of chromium trioxide...
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for the oxidation of secondary alcohols to ketones. These include Collins reagent and Dess-Martin periodinane. The direct oxidation of primary alcohols...
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Claisen rearrangement Claisen–Schmidt condensation Clemmensen reduction Collins reagent Combes quinoline synthesis Conia reaction Conrad–Limpach synthesis...
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Collman's reagent (Na2Fe(CO)4) Collins reagent (CrO3 / py / CH2Cl2) Condy's crystals (KMnO4) Corey–Chaykovsky reagent (O=S(CH2)Me2) Cornforth reagent ([pyH]2[Cr2O7])...
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Sodium trifluoromethanesulfinate (redirect from Langlois reagent)
reagent for introducing trifluoromethyl groups onto electron-rich aromatic compounds by Langlois; this reagent is also known as the Langlois reagent....
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solvents, and susceptible to alkylation by organolithium and Grignard reagents. Thus CoCl2(py)4 has proven very useful in organocobalt chemistry and NiCl2(py)4...
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Dess-Martin periodinane, 2-Iodoxybenzoic acid) chromium reagents (e.g., Pyridinium chlorochromate, Collins reagent) ruthenium oxides (e.g., Tetrapropylammonium perruthenate)...
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rats. α-PVP gives no reaction with the Marquis reagent. It gives a grey/black reaction with the Mecke reagent. α-PVP may be quantified in blood, plasma or...
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Spanidin The BOC derivative of 4-aminobutanol is oxidized with Collins reagent to afford the aldehyde. Condensation with the ylide obtained from reaction...
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Methanesulfonyl azide is the azide of methanesulfonic acid. It is used as a reagent for the production of diazo compounds. Methanesulfonyl azide can be prepared...
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Xylenol orange (category Analytical reagents)
Xylenol orange is an organic reagent, most commonly used as a tetrasodium salt as an indicator for metal titrations. When used for metal titrations, it...
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as such, it is not really a catalyst, but a reagent. For example, osmium tetroxide (OsO4) is a good reagent for dihydroxylation, but it is highly toxic...
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compound with the formula C6H2(NO2)3CH3. TNT is occasionally used as a reagent in chemical synthesis, but it is best known as an explosive material with...
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Microbacteriaceae. Microbacteria are common contaminants of laboratory reagents, which can lead to their being misrepresented in microbiome data. Microbacterium...
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crowded. The spore powder is white; the buff spores do not react in Melzer's reagent. The bald stem ranges from 2–8 cm (3⁄4–3+1⁄8 in) long by 3–6 mm 3–6 mm...
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amides do not react usefully with carbon nucleophiles. Instead, Grignard reagents and organolithiums deprotonate an amide N-H bond. Tertiary amides do not...
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under review for use as a catalyst for chemical dehalogenation, organic reagent and photosensitized catalyst systems. Cyanocobalamin is commercially prepared...
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eco-friendly, and practical to use with a variety of water-soluble reagents. A wide variety of reagents can be used for the Suzuki coupling, e.g., aryl or vinyl...
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Doxycycline (section Research reagent)
members of the tetracycline class of antibiotics are often used as research reagents in in vitro and in vivo biomedical research experiments involving bacteria...
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