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70291-88-2

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70291-88-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 70291-88-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,2,9 and 1 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 70291-88:
(7*7)+(6*0)+(5*2)+(4*9)+(3*1)+(2*8)+(1*8)=122
122 % 10 = 2
So 70291-88-2 is a valid CAS Registry Number.

70291-88-2Relevant articles and documents

Cp*Co(iii)-catalyzed C2-thiolation and C2,C3-dithiolation of substituted indoles withN-(arylthio)succinimide

Anbarasan, Pazhamalai,Ghorai, Jayanta,Kesavan, Arunachalam

, p. 10544 - 10547 (2021/10/19)

A general and efficient Cp*CoIII-catalyzed C2-thiolation and C2,C3-dithiolation of indole derivatives has been achieved employingN-(aryl/alkylthio)succinimide as a thiolating reagent. This external oxidant-free method utilizes only catalytic amounts of additive and tolerates various functional groups to afford various thiolated products in good yields. Control experiments revealed the importance of the Cp*CoIII-catalyst for both C2- and C3-thiolation.

Cu-catalysed direct bis-thiolation of benzoheterocycles with arylsulfonyl hydrazides

Chen, Lingjuan,Pu, Jiangxin,Liu, Ping,Dai, Bin

, p. 456 - 462 (2018/10/15)

A series of bis-arylsulfenylated indoles (10), benzofurans (3), and benzothiophenes (3) and of monosulfenylated indoles (5), 12 of which are novel, were prepared in good yields via a Cu-catalysed direct sulfenylation of benzoheterocycles with arylsulfonyl hydrazides. Sulfonothioates are probably the major thiolated intermediates in this transformation.

Iodine-catalysed versatile sulfenylation of indoles with thiophenols: controllable synthesis of mono- and bis-arylthioindoles

Zhang, Hailei,Bao, Xiaoze,Song, Yuming,Qu, Jingping,Wang, Baomin

, p. 8885 - 8891 (2015/11/02)

A versatile method for the synthesis of mono- and bis-arylthioindoles via I2 catalysed direct oxidative sulfenylation of indoles with thiophenols (especially mercaptobenzoic acids) has been presented. This system features environmental friendliness, easy operation, and mild reaction conditions, and shows a broad functional group tolerance furnishing good to excellent yields.

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