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1586870-17-8

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1586870-17-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1586870-17-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,8,6,8,7 and 0 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1586870-17:
(9*1)+(8*5)+(7*8)+(6*6)+(5*8)+(4*7)+(3*0)+(2*1)+(1*7)=218
218 % 10 = 8
So 1586870-17-8 is a valid CAS Registry Number.

1586870-17-8Downstream Products

1586870-17-8Relevant articles and documents

Enantioselective synthesis of α-silylamines by meerwein-ponndorf- verley-type reduction of α-silylimines by a chiral lithium amide

Kondo, Yasuhiro,Sasaki, Michiko,Kawahata, Masatoshi,Yamaguchi, Kentaro,Takeda, Kei

, p. 3601 - 3609 (2014/05/06)

Meerwein-Ponndorf-Verley-type reduction of N-tosylsilylimines with chiral lithium amide 2 affords α-silylamines in high enantioselectivity. Since the enantioselectivity observed was inconsistent with our previously proposed chairlike six-membered transition structure, we performed density functional theory (DFT) calculations on transition states leading to (S)- and (R)-7a and (S)- and (R)-7e using an N-phenylsulfonyl derivatives 12 and 13 as model systems. Results of the calculations showed that the structures are considerably deformed from the chairlike form with steric repulsions between the 1′-methylene group and the imine-carbon substituents playing an important role in the control of the enantioselectivity.

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