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(2S,3S,5S)-2,5-Diphenyl-pyrrolidine-2,3-dicarboxylic acid dimethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

126402-83-3

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126402-83-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 126402-83-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,4,0 and 2 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 126402-83:
(8*1)+(7*2)+(6*6)+(5*4)+(4*0)+(3*2)+(2*8)+(1*3)=103
103 % 10 = 3
So 126402-83-3 is a valid CAS Registry Number.

126402-83-3Downstream Products

126402-83-3Relevant academic research and scientific papers

Ti(IV) MEDIATED TRANSESTERIFICATION AND REGIO- AND STEREO-SPECIFIC CYCLOADDITION OF IMINES OF α-AMINO ESTERS. REVERSAL OF NORMAL REGIOCHEMISTRY.

Barr, Darrin A.,Grigg, Ronald,Sridharan, Visuvanathar

, p. 4727 - 4730 (1989)

Ti(i-PrO)3Cl or Ti(i-PrO)2Cl2 in combination with triethylamine effect regio- and stereo-specific cycloaddition of imines of α-amino methyl esters to methyl acrylate at room temperature with reversal of the normal regiochemistry.Transesterification of the imine ester group competes with cycloaddition leading to a mixture of pyrrolidines bearing C(2) methyl and isopropyl ester substituens.

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