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87446-53-5

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87446-53-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87446-53-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,4,4 and 6 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 87446-53:
(7*8)+(6*7)+(5*4)+(4*4)+(3*6)+(2*5)+(1*3)=165
165 % 10 = 5
So 87446-53-5 is a valid CAS Registry Number.

87446-53-5Relevant articles and documents

Direct Thioamination of Arynes via Reaction with Sulfilimines and Migratory N-Arylation

Yoshida, Suguru,Yano, Takahisa,Misawa, Yoshihiro,Sugimura, Yasuyuki,Igawa, Kazunobu,Shimizu, Shigeomi,Tomooka, Katsuhiko,Hosoya, Takamitsu

supporting information, p. 14071 - 14074 (2015/11/25)

A novel method for preparing a diverse range of o-sulfanylanilines is described. Direct thioamination of arynes with sulfilimines gives o-sulfanylanilines, involving C-N and C-S bond formations and migratory N-arylation.

Reactions of Ketenes with Sulfilimines. Synthetic Routes to Oxazolinones and Indolinones

Abou-Gharbia, Magid,Ketcha, Daniel M.,Zacharias, David E.,Swern, Daniel

, p. 2224 - 2228 (2007/10/02)

The reactions of diphenylketene and tert-butylcyanoketene with several sulfilimines were investigated. 5,5-Diphenyl-2-oxazolin-4-ones were produced from N-acylsulfilimines and diphenylketene while a 2-indolinone was obtained from N-arylsulfilimine and the same ketene. tert-Butylcyanoketene afforded either simple substituted or ortho-rearranged amides when S,S-dimethylsulfilimines were used as substrates.The structure of 2,5,5-triphenyloxazolidin-4-one (7b) was confirmed by single-crystal X-ray examination.Possible mechanistic pathways which account for all observed products are discussed.

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