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40751-52-8

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40751-52-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 40751-52-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,7,5 and 1 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 40751-52:
(7*4)+(6*0)+(5*7)+(4*5)+(3*1)+(2*5)+(1*2)=98
98 % 10 = 8
So 40751-52-8 is a valid CAS Registry Number.

40751-52-8Relevant articles and documents

SUBSTITUTED HETEROCYCLIC AMIDE COMPOUND AND PREPARATION METHOD THEREFOR AND PHARMACEUTICAL USE THEREOF

-

, (2022/02/02)

Provided are a substituted heterocyclic amide compound having a selective inhibitory effect on RIPK1, and a pharmaceutically acceptable salt, a stereoisomer, a solvate or a prodrug thereof, and a pharmaceutical composition containing the compound, and the

Visible-Light-Mediated Aromatic Substitution Reactions of Cyanoarenes with 4-Alkyl-1,4-dihydropyridines through Double Carbon-Carbon Bond Cleavage

Nakajima, Kazunari,Nojima, Sunao,Sakata, Ken,Nishibayashi, Yoshiaki

, p. 1028 - 1032 (2016/04/05)

Novel aromatic substitution reactions of cyanoarenes with 4-alkyl-1,4-dihydropyridines as alkylating reagents in the presence of a catalytic amount of a photoredox catalyst proceed smoothly to give the corresponding alkyl-substituted arenes in good to high yields. The present reaction system realizes a novel C-C bond-forming reaction between two fragments generated from the C-C bond-cleavage reactions of two independent substrates.

Acetonitrile as a cyanating reagent: Cu-catalyzed cyanation of arenes

Zhu, Yamin,Zhao, Mengdi,Lu, Wenkui,Li, Linyi,Shen, Zengming

supporting information, p. 2602 - 2605 (2015/06/16)

A novel approach to the Cu-catalyzed cyanation of simple arenes using acetonitrile as an attractive cyano source has been documented. The C-H functionalization of arenes without directing groups involves a sequential iodination/cyanation to give the desired aromatic nitriles in good yields. A highly efficient Cu/TEMPO system for acetonitrile C-CN bond cleavage has been discovered. TEMPO is used as a cheap oxidant and enables the reaction to be catalytic in copper. Moreover, TEMPOCH2CN 6 has been identified as the active cyanating agent and shows high reactivity for forming the -CN moiety.

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