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912480-89-8

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912480-89-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 912480-89-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,2,4,8 and 0 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 912480-89:
(8*9)+(7*1)+(6*2)+(5*4)+(4*8)+(3*0)+(2*8)+(1*9)=168
168 % 10 = 8
So 912480-89-8 is a valid CAS Registry Number.

912480-89-8Downstream Products

912480-89-8Relevant articles and documents

Asymmetric Synthesis of Chiral 1,3-Disubstituted Allylsilanes via Copper(I)-Catalyzed 1,4-Conjugate Silylation of α,β-Unsaturated Sulfones and Subsequent Julia-Kocienski Olefination

Jia, Xue-Shun,Wang, Xian-Liang,Xiao, Jun-Zhao,Yin, Liang,Yin, Xing-Hao

supporting information, p. 1916 - 1922 (2021/06/07)

A general synthesis of chiral 1,3-disubstituted allylsilanes is established through copper(I)-catalyzed asymmetric 1,4-conjugate silylation of α,β-unsaturated sulfones and subsequent Julia-Kocienski olefination. By modification of McQuade's NHC ligand, the catalytic asymmetric conjugate silylation with a broad substrate scope is achieved in high enantioselectivity. The following Julia-Kocienski olefination proceeds smoothly at room temperature to deliver an array of chiral allylsilanes in moderate yields. More interestingly, a one-pot asymmetric synthesis with high synthetic efficiency is successfully realized. Utility of the prepared chiral 1,3-disubsituted allylsilanes is demonstrated in the asymmetric allylation of both aldehyde and aldimine. Finally, an interesting “match and mismatch” phenomenon is observed in the asymmetric allylation of chiral aldehydes.

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