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123500-13-0

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123500-13-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 123500-13-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,5,0 and 0 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 123500-13:
(8*1)+(7*2)+(6*3)+(5*5)+(4*0)+(3*0)+(2*1)+(1*3)=70
70 % 10 = 0
So 123500-13-0 is a valid CAS Registry Number.

123500-13-0Relevant articles and documents

Catalytic Asymmetric Umpolung Allylation of Imines

Liu, Jie,Cao, Chao-Guo,Sun, Hong-Bao,Zhang, Xia,Niu, Dawen

, p. 13103 - 13106 (2016)

Here we report an iridium-catalyzed asymmetric umpolung allylation of imines as a general approach to prepare 1,4-disubstituted homoallylic amines, a fundamental class of compounds that are hitherto not straightforward to obtain. This transformation proceeds by a cascade involving an intermolecular regioselective allylation of 2-azaallyl anions and a following 2-aza-Cope rearrangement, utilizes easily available reagents and catalysts, tolerates a substantial scope of substrates, and readily leads to various enantioenriched, 1,4-disubstituted homoallylic primary amines.

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