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1427669-81-5

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1427669-81-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1427669-81-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,7,6,6 and 9 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1427669-81:
(9*1)+(8*4)+(7*2)+(6*7)+(5*6)+(4*6)+(3*9)+(2*8)+(1*1)=195
195 % 10 = 5
So 1427669-81-5 is a valid CAS Registry Number.

1427669-81-5Relevant articles and documents

Palladium-catalyzed C2-acylation of indoles with aryl and alkyl aldehydes

Yan, Xiao-Biao,Shen, Yong-Wen,Chen, Dao-Qian,Gao, Pin,Li, Ying-Xiu,Song, Xian-Rong,Liu, Xue-Yuan,Liang, Yong-Min

, p. 7490 - 7495 (2014)

A palladium-catalyzed C2-acylation of indoles with aryl and alkyl aldehydes via C-H functionalization is reported. The method shows excellent functional group tolerance and provides a straightforward way for the preparation of 2-aroylindoles.

Direct C-2 acylation of indoles with toluene derivatives via Pd(II)-catalyzed C-H activation

Zhao, Yaping,Sharma, Upendra K.,Schr?der, Felix,Sharma, Nandini,Song, Gonghua,Van Der Eycken, Erik V.

, p. 32559 - 32563 (2017/07/07)

A simple and efficient Pd-catalyzed method for the C2-acylation of indoles is described. Less toxic, stable, and commercially available toluene derivatives were used as acyl sources, with tert-butylhydroperoxide (TBHP) as oxidant and pivalic acid as addit

Palladium-catalyzed C2-acylation of indoles with α-diketones assisted by the removable N-(2-pyrimidyl) group

Li, Chunpu,Zhu, Wei,Shu, Shuangjie,Wu, Xiaoming,Liu, Hong

, p. 3743 - 3750 (2015/06/16)

An effective and practical palladium-catalyzed C2-acylation method was successfully developed for the synthesis of 2-acylindoles. A variety of 2-acylindoles were readily prepared from N-pyrimidyl indoles in moderate to good yields. This methodology offers

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