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941305-82-4

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941305-82-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 941305-82-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,1,3,0 and 5 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 941305-82:
(8*9)+(7*4)+(6*1)+(5*3)+(4*0)+(3*5)+(2*8)+(1*2)=154
154 % 10 = 4
So 941305-82-4 is a valid CAS Registry Number.

941305-82-4Relevant articles and documents

Enantioselective Copper-Catalyzed Desymmetrization of 1,3-Diketones Involving Borylation of Styrenes

Zheng, Purui,Han, Xiaoyu,Hu, Jiao,Zhao, Xiaoming,Xu, Tao

, p. 6040 - 6044 (2019)

A copper-catalyzed intramolecular enantioselective and diastereoselective borylative coupling of styrenes and ketones was achieved by merging desymmetrization strategy and olefin difunctionalization. The reaction proceeds through an initial enantioselective borylcupration of styrenes, followed by a highly selective direct addition to 1,3-diketones. The bicyclic scaffolds with three chiral carbon centers, including two tetrasubstituted carbons, were generated in excellent yields, diastereoselectivities, and enantioselectivities. This catalytic tandem reaction has great potential for further synthetic application of the chiral polycyclic compounds, because of the versatility of the functional groups in the products.

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