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146137-33-9

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146137-33-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 146137-33-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,6,1,3 and 7 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 146137-33:
(8*1)+(7*4)+(6*6)+(5*1)+(4*3)+(3*7)+(2*3)+(1*3)=119
119 % 10 = 9
So 146137-33-9 is a valid CAS Registry Number.

146137-33-9Relevant articles and documents

Palladium-Catalyzed Diastereoselective Synthesis of 3-Arylbutanoic Acid Derivatives

Zhi, Wubin,Li, Jingya,Zou, Dapeng,Wu, Yusheng,Wu, Yangjie

, p. 12286 - 12293 (2017/12/08)

The first palladium-catalyzed diastereoselective conjugate addition of arylboronic acids to chiral imides is reported. The catalytic system employing 4-tert-butyloxazolidin-2-one as the chiral auxiliary in a mixed solvent system of MeOH/H2O (1:3) under an air atmosphere provides the optically active 3-arylbutanoic acid derivatives in excellent yields with high diastereoselectivity.

Diastereoselection in the conjugate additions of organocopper reagents to N-enoyloxazolidinones

Williams, David R.,Kissel, William S.,Li, Jie Jack

, p. 8593 - 8596 (2007/10/03)

A survey of conjugate additions of Yamamoto organocopper reagents to N- enoyl-4-substituted oxazolidinones is reported. Diastereofacial selectivity is reversed for 4-phenyl and 4-benzyloxazolidinones of the same relative configuration. Alkenylcopper reage

Diastereospecific tandem Michael-like addition/electrophilic bromination: A one-pot tandem asymmetric synthesis of precursors of unusual amino acids

Li,Jarosinski,Hruby

, p. 2561 - 2564 (2007/10/02)

A systematic series of key intermediates of unusual β-methyl-amino acids have been synthesized by using a modified Evans auxiliary in an asymmetric Michael-like reaction followed by direct bromination in a one-pot reaction.

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