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112052-21-8

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112052-21-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 112052-21-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,2,0,5 and 2 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 112052-21:
(8*1)+(7*1)+(6*2)+(5*0)+(4*5)+(3*2)+(2*2)+(1*1)=58
58 % 10 = 8
So 112052-21-8 is a valid CAS Registry Number.

112052-21-8Relevant articles and documents

Radical cyclizations. A convergent total synthesis of (±)-γ-Lycorane

Cossy, Janine,Tresnard, Ludovic,Gomez Pardo, Domingo

, p. 1125 - 1128 (2007/10/03)

(±)-γ-Lycorane has been synthesized in 10 steps from piperonylic alcohol. Two radical reactions were used successively to build the D and B rings.

Allylic alkylation with function-bearing organozinc reagents

Doucet, Henri,Brown, John M.

, p. 995 - 1000 (2007/10/03)

The first palladium-catalysed alkylations of allylic acetates with organozinc reagents bearing functionality are reported.The reaction proceeds well from ethanoate, and propanoates, derived organozinc halides and provides a useful method for transferring these moieties to an allyl fragment.The reaction proceeds through a monophosphine complex; attempts to perform asymmetric syntheses are unsuccessful so far. - Keywords: palladium; coupling; allylic substitution

Diastereoselectivity in the epoxidation of substituted cyclohexenes by dimethyldioxirane

Murray, Robert W.,Singh, Megh,Williams, Brian L.,Moncrieff, Hazel M.

, p. 1830 - 1841 (2007/10/03)

Three series of compounds based on the cyclohexene framework have been epoxidized by dimetbyldioxirane. A pronounced dependence of epoxide diastereoselectivity on substituent has been observed. In addition there is a solvent influence on this stereoselectivity. The results have been explained by invoking steric, H-bonding, and dipole - dipole influences on the epoxide stereochemistry.

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