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42063-41-2

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42063-41-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 42063-41-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,0,6 and 3 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 42063-41:
(7*4)+(6*2)+(5*0)+(4*6)+(3*3)+(2*4)+(1*1)=82
82 % 10 = 2
So 42063-41-2 is a valid CAS Registry Number.

42063-41-2Relevant articles and documents

Catalytic formation of ketones from unactivated esters through rhodium chelation-assisted C-O bond activation

Wang, Jingjing,Zuo, Sujing,Chen, Weiqiang,Zhang, Xinrui,Tan, Kaixin,Tian, Yun,Wang, Jianhui

, p. 8217 - 8231 (2013/09/24)

A new method for building aryl aryl ketones containing heterocyclic rings through chelation-assisted C-O bond activation catalyzed by a rhodium complex has been developed. In this reaction, methyl quinoline-8-carboxylate, methyl quinoxaline-5-carboxylate, and their derivatives were reacted with an excess amount of a substituted phenyl boronic acid in the presence of a rhodium(I) complex to give substituted phenyl(quinolin-8-yl)methanone, phenylquinoxalin-5- ylmethanone, and their derivatives in medium to high yields. The current method offers a highly favorable synthetic pathway to efficiently build related drugs with an 8-benzoylquinoline core structure. This method may prove especially valuable for medicinal chemists for the late-stage introduction of versatile ketone moieties into complex scaffolds for diversity-oriented synthetic strategies.

Reaction of methyl 2-(2',2'-bis(carbethoxy)vinylamino)benzoate with hydrazine.

Kornet

, p. 834 - 835 (2007/10/08)

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