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959312-83-5

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959312-83-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 959312-83-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,5,9,3,1 and 2 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 959312-83:
(8*9)+(7*5)+(6*9)+(5*3)+(4*1)+(3*2)+(2*8)+(1*3)=205
205 % 10 = 5
So 959312-83-5 is a valid CAS Registry Number.

959312-83-5Relevant articles and documents

Synthesis of 2-(Arylthio)indolenines via Chemoselective Arylation of Thio-Oxindoles with Arynes

Saputra, Adi,Fan, Rong,Yao, Tuanli,Chen, Jian,Tan, Jiajing

supporting information, p. 2683 - 2688 (2020/05/18)

A chemoselective S-arylation reaction of thio-oxindoles with arynes is presented. The reaction was performed under mild conditions and provided a straightforward synthesis of 2-(arylthio)indolenines in good to excellent yields. Besides, this simple operat

The fast and efficient KI/H2O2 mediated 2-sulfonylation of indoles and N-methylpyrrole in water

Zhang, Jun,Wang, Zhong,Chen, Lingjuan,Liu, Yan,Liu, Ping,Dai, Bin

, p. 41651 - 41656 (2019/01/03)

The rapid and efficient KI/H2O2-mediated 2-sulfonylation of substituted indoles and N-methylpyrrole was established. The corresponding 2-sulfonylation products are synthesized from readily available sulfur sources, namely arylsulfonyl hydrazides, 4-methylbenzenesulfinic acid and sodium 4-methylbenzenesulfinate in good to excellent yields in only 5 min. Moreover, the aqueous solution of hydrogen peroxide is used as both oxidant and solvent. Mechanistic studies demonstrated that 2,3-diiodoindoline was the main sulfonylation intermediate.

Convenient KI-catalyzed regioselective synthesis of 2-sulfonylindoles using water as solvent

Li, Hongjie,Wang, Xiaolong,Yan, Jie

supporting information, p. 4277 - 4280 (2017/07/11)

A convenient procedure is developed for the preparation of 2-sulfonylindoles from indoles and sodium sulfinates catalyzed by KI in water. This environmentally benign 2-sulfonylation of indoles proceeds efficiently under mild conditions, affording the products with high regioselectivity and in moderate to good yields.

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