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92040-43-2

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92040-43-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 92040-43-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,2,0,4 and 0 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 92040-43:
(7*9)+(6*2)+(5*0)+(4*4)+(3*0)+(2*4)+(1*3)=102
102 % 10 = 2
So 92040-43-2 is a valid CAS Registry Number.

92040-43-2Downstream Products

92040-43-2Relevant articles and documents

A copper-catalyzed oxidative coupling reaction of arylboronic acids, amines and carbon dioxide using molecular oxygen as the oxidant

Xiong, Wenfang,Qi, Chaorong,Guo, Tianzuo,Zhang, Min,Chen, Kai,Jiang, Huanfeng

, p. 1642 - 1645 (2017)

A Cu-catalyzed oxidative coupling reaction of arylboronic acids, amines and carbon dioxide is described for the first time in this paper. The reaction tolerates a wide range of functional groups, providing a convenient protocol for the synthesis of various O-aryl carbamates. The successful development of the transformation was enabled by the use of BF3·OEt2 as the promoter and molecular oxygen as the oxidant. Mechanistic studies suggested that the CuII carbamato complex is involved in the catalytic transformation.

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