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77815-76-0

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77815-76-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77815-76-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,8,1 and 5 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 77815-76:
(7*7)+(6*7)+(5*8)+(4*1)+(3*5)+(2*7)+(1*6)=170
170 % 10 = 0
So 77815-76-0 is a valid CAS Registry Number.

77815-76-0Relevant articles and documents

Synthesis of Alkenes via Peterson Reaction

Ager, David J.

, p. 183 - 194 (2007/10/02)

The α-phenylthiosilanes (2) have been used to prepare the α-silyl anions (1) by reaction with lithium naphthalenide; subsequent condensation with a carbonyl compound gave the alkene (8) via the Peterson reaction.The α-phenylthiosilanes (2) were prepared from n,n-bis(phenylthio)acetals (4) by reaction with lithium naphthalenide and chlorotrimethylsilane.The n,n-bis(phenylthio)acetals (4) were obtained, in turn, from 1,1-bis(phenylthio)acetals (5) by anion formation with butyl-lithium-N,N,N',N'-tetramethylethylenediamine complex in hexane followed by reaction with an alkyl halide.The Peterson reaction was also used to prepare vinyl sulphides (9) and vinyl sulphones (13).

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