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2-{(R)-3-[(2R,4R)-4-(2-Chloro-phenyl)-5,5-dimethyl-[1,3]dioxan-2-yl]-cyclohex-2-enyl}-malonic acid dimethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

139357-01-0

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139357-01-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139357-01-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,3,5 and 7 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 139357-01:
(8*1)+(7*3)+(6*9)+(5*3)+(4*5)+(3*7)+(2*0)+(1*1)=140
140 % 10 = 0
So 139357-01-0 is a valid CAS Registry Number.

139357-01-0Upstream product

139357-01-0Downstream Products

139357-01-0Relevant academic research and scientific papers

Near Absolute Regio-, Diastereo-, and Enantioselectivity in a Palladium Catalyzed Alkylation Using an Uncommon Chiral Auxiliary

Sjouken, Ronald,Ebens, Rijko,Kellogg, Richard M.

, p. 56 - 58 (1992)

Condensation of R-(+)-1-(2-chlorophenyl)-2,2-dimethyl-propan-1,3-diol (2) with a derivative (1) of 1-formylcyclohexene substituted in the 3-position with an acetoxy group proceeded with absolute stereospecificity at the acetal center.Catalytic alkylation of the ?-allyl complex obtained upon reaction with Pd with the anion of dimethylmalonate proceeded at the 3-position of the cyclohexyl ring with complete stereocontrol.

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