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N-((S)-((R)-3-bromo-2-oxoindolin-3-yl)(phenyl)methyl)-4-methylbenzenesulfonamide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1422237-46-4

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1422237-46-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1422237-46-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,2,2,3 and 7 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1422237-46:
(9*1)+(8*4)+(7*2)+(6*2)+(5*2)+(4*3)+(3*7)+(2*4)+(1*6)=124
124 % 10 = 4
So 1422237-46-4 is a valid CAS Registry Number.

1422237-46-4Relevant academic research and scientific papers

3-Bromooxindoles as nucleophiles in asymmetric organocatalytic Mannich reactions with N-Ts-imines

Li, Jianhao,Du, Taiping,Zhang, Gang,Peng, Yungui

supporting information, p. 1330 - 1332 (2013/03/13)

A direct asymmetric Mannich reaction of N-unprotected 3-bromooxindoles with N-Ts-imines catalyzed by bifunctional thiourea derived from 2-substituted cinchona alkaloid was developed. Products with vicinal chiral tertiary and brominated quaternary stereogenic centers were achieved in excellent diastereo- and enantioselectivity (up to 99:1 dr, 99% ee).

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