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(-)menthyl 3(R)-(N-benzylamino)-2(R)-(-)-menthoxycarbonyl-1(R)-cyclohexane-1-acetate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

143169-29-3

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143169-29-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 143169-29-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,1,6 and 9 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 143169-29:
(8*1)+(7*4)+(6*3)+(5*1)+(4*6)+(3*9)+(2*2)+(1*9)=123
123 % 10 = 3
So 143169-29-3 is a valid CAS Registry Number.

143169-29-3Downstream Products

143169-29-3Relevant academic research and scientific papers

Asymmetric Cyclization via Tandem Conjugate Addition by Using Metal Amide Reagents. Importance of the Folded Orientation of Two Enoate Moieties

Shida, Naomi,Uyehara, Tadao,Yamamoto, Yoshinori

, p. 5049 - 5051 (1992)

Di-(-)-menthyl nona-2,7-diene-1,9-dioate (1) is converted to (-)-menthyl 3(S)-(N-benzylamino)-2(S)-(-)-menthoxycarbonyl-1(S)-cyclohexane-1-acetate (2) with high diastereoselectivity upon treatment with the amide cuprate or zincate reagent Bn(TMS)NMLn in the presence of ZnCl2.The folded orientation of the two enoate moieties of 1 is essential for this high asymmetric cyclization via tandem conjugate addition.

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