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127986-88-3

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127986-88-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 127986-88-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,9,8 and 6 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 127986-88:
(8*1)+(7*2)+(6*7)+(5*9)+(4*8)+(3*6)+(2*8)+(1*8)=183
183 % 10 = 3
So 127986-88-3 is a valid CAS Registry Number.

127986-88-3Relevant articles and documents

A NEW CHIRAL CATALYST FOR THE ENANTIOSELECTIVE SYNTHESIS OF SECONDARY ALCOHOLS AND DEUTERATED PRIMARY ALCOHOLS BY CARBONYL REDUCTION

Corey, E. J.,Link, John O.

, p. 6275 - 6278 (1989)

An efficient synthesis of (S)-(-)-2-(di-β-naphthylhydroxymethyl)pyrrolidine (1) makes available the oxazaborolidine derivates 2 and 3 which are excellent catalysts for borane reduction of a variety of achiral ketones to chiral secondary alcohols, e.g. acetophenone, 98percent ee; α-tetralone, 95percent ee; and methyl-4-oxo-4-phenyl butyrate, 96percent ee.The synthesis of chiral 1-deuterio primary alcohols from achiral aldehydes with B-n-butyloxazaborolidine (4) as catalyst in the presence of 2H-catecholborane as reductant has also been demonstrated, e.g. benzaldehyde, 95percent ee; cyclohexanecarboxaldehyde, 92percent ee; and n-octanal, 90percent ee.

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