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437762-12-4

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437762-12-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 437762-12-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,7,7,6 and 2 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 437762-12:
(8*4)+(7*3)+(6*7)+(5*7)+(4*6)+(3*2)+(2*1)+(1*2)=164
164 % 10 = 4
So 437762-12-4 is a valid CAS Registry Number.

437762-12-4Relevant articles and documents

B(C6F5)3-Catalyzed Asymmetric Reductive Amination of Ketones with Ammonia Borane

Pan, Zhentao,Shen, Leixin,Song, Dingguo,Xie, Zhen,Ling, Fei,Zhong, Weihui

, p. 11502 - 11509 (2018/09/25)

The first example of metal-free B(C6F5)3-catalyzed asymmetric reduction amination of ketones with chiral α-methylbenzylamine (α-MBA) using ammonia borane as the reductant is reported. This one-pot method has a broad substrate scope and provides various chiral amines in 81-95% yield with 80-99% de. This protocol was further applied in the total synthesis of cinacalcet.

Process for producing optically active 1-(fluoro- or trifluoromethyl-substituted phenyl) ethylamine and process for purifying same

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Page column 40-41, (2008/06/13)

An optically active 1-(fluoro- or trifluoromethyl-substituted phenyl)ethylamine is produced with high optical purity and in an industrially simple and efficient manner by asymmetrically reducing an optically active imine, obtained by dehydration and conde

Highly regioselective hydrogenolysis of bis(α-methylbenzyl)amine derivatives affected by the trifluoromethyl substituent on the aromatic ring

Kanai, Masatomi,Yasumoto, Manabu,Kuriyama, Yokusu,Inomiya, Kenjin,Katsuhara, Yutaka,Higashiyama, Kimio,Ishii, Akihiro

, p. 1007 - 1010 (2007/10/03)

(Matrix presented) The highly regioselective hydrogenolysis of bis(α-methylbenzyl)amine derivatives proceeded with influence not from the electronic effect but from the steric effect of the trifluoromethyl substituent on the aromatic ring to provide a practical asymmetric synthesis of trifluoromethyl-substituted α-phenylethylamines.

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