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(4-Methoxy-phenyl)-[(Z)-(S)-3-((R)-5-oxo-tetrahydro-furan-3-yl)-3-phenyl-propenyl]-carbamic acid tert-butyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

332940-30-4

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332940-30-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 332940-30-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,2,9,4 and 0 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 332940-30:
(8*3)+(7*3)+(6*2)+(5*9)+(4*4)+(3*0)+(2*3)+(1*0)=124
124 % 10 = 4
So 332940-30-4 is a valid CAS Registry Number.

332940-30-4Upstream product

332940-30-4Relevant academic research and scientific papers

Kinetic resolution of racemic lactones by conjugate additions of allylic organolithium species: Direct formation of three contiguous centers with high diastereo- and enantioselectivities

Lim, Sung H.,Beak, Peter

, p. 2657 - 2660 (2002)

(Matrix presented) Kinetic resolution of racemic α,β-unsaturated lactones by the organolithium species produced from asymmetric lithiation of N-Boc-N-(p-methoxyphenyl)cinnamylamine provides conjugate addition products with three contiguous stereogenic centers in yields of 62-77% with diastereomeric ratios from 75:25 to >99:1 and enantiomeric ratios for the major diastereomers from 94:6 to 98:2.

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