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107647-76-7

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107647-76-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 107647-76-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,7,6,4 and 7 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 107647-76:
(8*1)+(7*0)+(6*7)+(5*6)+(4*4)+(3*7)+(2*7)+(1*6)=137
137 % 10 = 7
So 107647-76-7 is a valid CAS Registry Number.

107647-76-7Relevant articles and documents

Preparation of optically pure propargylic and allylic alcohols from 2-(trimethylsilyl)vinyl sulfoxides as a chiral ethynyl anion synthon: Computational studies on elimination reaction of 2-(trimethylsilyl)vinyl sulfoxides

Nakamura, Shuichi,Kusuda, Shinya,Kawamura, Kiyoshi,Toru, Takeshi

, p. 640 - 647 (2007/10/03)

The reaction of the (α-carbanion derived from (trimethylsilyl)vinyl sulfoxides with aldehydes afforded a diastereomeric mixture of the products. Each diastereomer was subjected to specific elimination reactions to give optically pure propargylic, trimethylsilylated propargylic, and allylic alcohols. Acceleration of the sulfenic acid-elimination from the β-silylvinyl sulfoxide was demonstrated by the ab initio calculation to be ascribed mainly to the β-effect of the silyl group.

Stereocontrolled asymmetric synthesis of optically active acylcyclopropane derivatives by Michael additions of bromomalonate to chiral α-acylvinylic sulfoxides

Hiroi,Arinaga

, p. 985 - 987 (2007/10/02)

Michael addition of bromomalonate carbanions to chiral α-acylvinylic sulfoxides and the subsequent intramolecular alkylation yielded optically active acylcyclopropane derivatives with high enantiomeric excess. Stereochemistry of the product was determined by chemical correlation to a compound of known absolute configuration. The mechanism for the asymmetric induction is deduced on the basis of the stereochemical results obtained.

Fluoride-catalyzed generation and reactions of 1-(p-tolylsulfinyl)vinyl anion

Cheng,Yan

, p. 673 - 676 (2007/10/02)

Fluoride-catalyzed desilylation of p-tolyl 1-(trimethylsilyl) vinyl sulfoxide in the presence of aldehydes results in modest yields of the corresponding allylic alcohols. Upon treatment with alkaline solution at 0°C it undergoes efficient protodesilylatio

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