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4862-03-7

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4862-03-7 Usage

Synthesis Reference(s)

Tetrahedron Letters, 30, p. 2461, 1989 DOI: 10.1016/S0040-4039(01)80425-1

Check Digit Verification of cas no

The CAS Registry Mumber 4862-03-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,8,6 and 2 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 4862-03:
(6*4)+(5*8)+(4*6)+(3*2)+(2*0)+(1*3)=97
97 % 10 = 7
So 4862-03-7 is a valid CAS Registry Number.

4862-03-7Relevant articles and documents

Quantum Yields in the Photochemically Induced Radical Chemistry of Acyl Derivatives of Thiohydroxamic Acids

Barton, Derek H. R.,Blundell, Paul,Jaszberenyi, Joseph Cs.

, p. 6937 - 6942 (2007/10/02)

Acyl derivatives of N-hydroxyquinazoline-4-thiones are a novel source of disciplined carbon radicals.Quantum yield determination reveals that photolysis of these compounds initiates radical chains, resulting in quantum yields up to φ = 60.Comparative studies with acyl derivatives of N-hydroxy-2-thiopyridone show that the quinazoline derivatives are more light-sensitive than the thiopyridone compounds.The carbon radicals thus formed from the former can be trapped selectively, without the formation of rearranged products (i.e. without the competition of the radicophilic thiocarbonyl group of the starting material with the radical trap).

LIGHT INDUCED HALOGENATIVE DECARBOXYLATION OF THIOHYDROXAMIC ESTERS

Dauben, William G.,Kowalczyk, Bruce A.,Bridon, Dominique P.

, p. 2461 - 2464 (2007/10/02)

The generality of lidht initiated halogenative decarboxylation of thiohydroxamic esters was studied.This method gave high yields of alkyl chlorides, bromides and iodides derived from primary, secondary and tertiairy substituted carboxylic acids.

Photochemical Chlorodecarboxylation via an Electron Transfer Mechanism

Okada, Keiji,Okamoto, Kazushige,Oda, Masaji

, p. 1636 - 1637 (2007/10/02)

A new method of chlorodecarboxylation of carboxylic acids via N-acyloxyphthalimides is developed; the reaction proceeds upon irradiation of N-acyloxyphthalimides in the presence of 1,4-diazabicyclooctane in ButOH-CCl4-H2O (53:42:5 v/v) in moderate to high yields.

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