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...
5 KB (474 words) - 17:12, 28 November 2022
substance. Examples include the Collins reagent, Fenton's reagent, and Grignard reagents. In analytical chemistry, a reagent is a compound or mixture used...
7 KB (752 words) - 21:49, 29 February 2024
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...
8 KB (924 words) - 20:13, 17 July 2024
Benedict's reagent (often called Benedict's qualitative solution or Benedict's solution) is a chemical reagent and complex mixture of sodium carbonate...
8 KB (904 words) - 06:55, 15 October 2024
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...
5 KB (478 words) - 05:51, 12 March 2023
pyridinium chlorochromate and Collins reagent. Because of their toxicity, these reagents are rarely used nowadays. The Cornforth reagent is prepared by slow addition...
8 KB (766 words) - 13:23, 24 May 2024
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...
10 KB (1,163 words) - 15:58, 17 November 2023
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...
15 KB (264 words) - 18:51, 14 August 2022
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...
15 KB (1,670 words) - 13:06, 14 October 2024
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...
8 KB (845 words) - 12:43, 19 December 2023