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1071146-03-6

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1071146-03-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1071146-03-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,7,1,1,4 and 6 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1071146-03:
(9*1)+(8*0)+(7*7)+(6*1)+(5*1)+(4*4)+(3*6)+(2*0)+(1*3)=106
106 % 10 = 6
So 1071146-03-6 is a valid CAS Registry Number.

1071146-03-6Downstream Products

1071146-03-6Relevant articles and documents

Copper-Catalyzed Asymmetric Coupling of Allenyl Radicals with Terminal Alkynes to Access Tetrasubstituted Allenes

Dong, Xiao-Yang,Zhan, Tian-Ya,Jiang, Sheng-Peng,Liu, Xiao-Dong,Ye, Liu,Li, Zhong-Liang,Gu, Qiang-Shuai,Liu, Xin-Yuan

supporting information, p. 2160 - 2164 (2020/12/01)

In contrast to the wealth of asymmetric transformations for generating central chirality from alkyl radicals, the enantiocontrol over the allenyl radicals for forging axial chirality represents an uncharted domain. The challenge arises from the unique elongated linear configuration of the allenyl radicals that necessitates the stereo-differentiation of remote motifs away from the radical reaction site. We herein describe a copper-catalyzed asymmetric radical 1,4-carboalkynylation of 1,3-enynes via the coupling of allenyl radicals with terminal alkynes, providing diverse synthetically challenging tetrasubstituted chiral allenes. A chiral N,N,P-ligand is crucial for both the reaction initiation and the enantiocontrol over the highly reactive allenyl radicals. The reaction features a broad substrate scope, covering a variety of (hetero)aryl and alkyl alkynes and 1,3-enynes as well as radical precursors with excellent functional group tolerance.

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