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1196876-22-8

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1196876-22-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1196876-22-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,9,6,8,7 and 6 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1196876-22:
(9*1)+(8*1)+(7*9)+(6*6)+(5*8)+(4*7)+(3*6)+(2*2)+(1*2)=208
208 % 10 = 8
So 1196876-22-8 is a valid CAS Registry Number.

1196876-22-8Relevant articles and documents

Cross-dehydrogenative coupling between enamino esters and ketones: Synthesis of tetrasubstituted pyrroles

Zhao, Miao,Wang, Fen,Li, Xingwei

, p. 1412 - 1415 (2012/05/04)

Tetrasubstituted pyrroles have been synthesized via the cross-dehydrogenative coupling between enamino esters and acetone. Silver carbonate proved to be an effective oxidant, and no transition metal catalyst is necessary.

Chiral lewis base catalyzed highly enantioselective reduction of N-alkyl β-enamino esters with trichlorosilane and water

Wu, Xinjun,Li, Yang,Wang, Chao,Zhou, Li,Lu, Xiaoxia,Sun, Jian

supporting information; experimental part, p. 2846 - 2848 (2011/04/24)

First, test the water! In the presence of a chiral Lewis base catalyst 2, the supposedly moisture-unfriendly reduction system with trichlorosilane was found to be highly efficient and enantioselective when using water as an additive. For the first time, this method enables the reduction of a broad range of N-alkyl β-enamino esters 1 to give N-alkyl β-amino esters 3 in good to high yields and with excellent enantioselectivities (see scheme).

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