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573680-95-2

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573680-95-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 573680-95-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,7,3,6,8 and 0 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 573680-95:
(8*5)+(7*7)+(6*3)+(5*6)+(4*8)+(3*0)+(2*9)+(1*5)=192
192 % 10 = 2
So 573680-95-2 is a valid CAS Registry Number.

573680-95-2Relevant academic research and scientific papers

Asymmetric synthesis of disubstituted C-silylated homoallylic alcohols from lithiated allylic and vinylic sulfoximines

Gais, Hans-Joachim,Mueller, Harald,Decker, Juergen,Hainz, Ruediger

, p. 7433 - 7436 (2007/10/02)

Lithiation, titanation and hydroxyalkylation of allylic N-methyl sulfoximines 1-4 gave with ≥95% de the anti-Z-configurated homoallylic alcohols 5-9. Lithiation of 6b and 8b with MeLi readily produced the lithiated vinylic sulfoximines (Z)-12 and (Z)-13, respectively. Ni-catalyzed substitution of (Z)-12 and (Z)-13 with PhLi and 1,5-silyl migration yielded with ≥98% de the disubstituted C-silylated homoallylic alcohols (Z)-14 and (Z)-15, respectively. (Z)-15 thus obtained from (Z)-13 had an ee-value of ≥98%.

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