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200712-40-9

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200712-40-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 200712-40-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,0,7,1 and 2 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 200712-40:
(8*2)+(7*0)+(6*0)+(5*7)+(4*1)+(3*2)+(2*4)+(1*0)=69
69 % 10 = 9
So 200712-40-9 is a valid CAS Registry Number.

200712-40-9Relevant articles and documents

Catalytic Ester and Amide to Amine Interconversion: Nickel-Catalyzed Decarbonylative Amination of Esters and Amides by C?O and C?C Bond Activation

Yue, Huifeng,Guo, Lin,Liao, Hsuan-Hung,Cai, Yunfei,Zhu, Chen,Rueping, Magnus

supporting information, p. 4282 - 4285 (2017/04/03)

An efficient nickel-catalyzed decarbonylative amination reaction of aryl and heteroaryl esters has been achieved for the first time. The new amination protocol allows the direct interconversion of esters and amides into the corresponding amines and represents a good alternative to classical rearrangements as well as cross coupling reactions.

N-substituted imines by the copper-catalyzed N-imination of boronic acids and organostannanes with O-acyl ketoximes

Liu, Songbai,Yu, Ying,Liebeskind, Lanny S.

, p. 1947 - 1950 (2008/02/02)

Catalytic quantities of copper(I) or copper(II) sources catalyze the N-imination of boronic acids and organostannanes through reaction with oxime O-carboxylates under nonbasic conditions. This method tolerates various functional groups and takes place efficiently using aryl, heteroaryl, and alkenyl boronic acids and stannanes.

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