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848032-09-7

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848032-09-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 848032-09-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,8,0,3 and 2 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 848032-09:
(8*8)+(7*4)+(6*8)+(5*0)+(4*3)+(3*2)+(2*0)+(1*9)=167
167 % 10 = 7
So 848032-09-7 is a valid CAS Registry Number.

848032-09-7Relevant articles and documents

Aromatic amide-derived non-biaryl atropisomers as highly efficient ligands in silver-catalyzed asymmetric cycloaddition reactions

Bai, Xing-Feng,Song, Tao,Xu, Zheng,Xia, Chun-Gu,Huang, Wei-Sheng,Xu, Li-Wen

supporting information, p. 5255 - 5259 (2015/04/27)

The synthesis of a series of aromatic amide-derived non-biaryl atropisomers with a phosphine group and multiple stereogenic centers is reported. The novel phosphine ligands exhibit high diastereo- and enantioselectivities (up to >99:1 d.r., 95-99% ee) as well as yields in the silver-catalyzed asymmetric [3+2] cycloaddition of aldiminoesters with nitroalkenes, which provides a highly enantioselective strategy for the synthesis of optically pure nitro-substituted pyrrolidines. In addition, the experimental results with regard to the carbon stereogenic center as well as the amide stereochemistry confirmed the potential of hemilabile atropisomers as chiral ligand in catalytic asymmetric [3+2] cycloaddition reaction.

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