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103929-98-2

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103929-98-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 103929-98-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,9,2 and 9 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 103929-98:
(8*1)+(7*0)+(6*3)+(5*9)+(4*2)+(3*9)+(2*9)+(1*8)=132
132 % 10 = 2
So 103929-98-2 is a valid CAS Registry Number.

103929-98-2Downstream Products

103929-98-2Relevant articles and documents

TBAI-mediated sulfenylation of arenes with arylsulfonyl hydrazides in DPDME

Jie, Zhang,Jing, He,Ping, Liu,Xuezhen, Li,Yali, Liu,Yueting, Wei

supporting information, (2020/10/13)

An efficient TBAI (tetrabutylammonium iodide)-mediated C–H sulfenylation of arenes with arylsulfonyl hydrazides in dipropylene glycol dimethyl ether (DPDME) was described. Various electron-rich arenes were applicable in the reaction, such as naphthylamine, naphthol, aniline, indole, pyrrole, and imidaz o [1,2-a] pyridine. A wide range of the aryl sulfides were obtained with good functional group tolerance. This method features green reaction conditions (odorless and easily available sulfur reagent, recyclable TBAI, and DPDME as solvent), and broad substrate scope. The synthetic potential is demonstrated by gram-scale synthesis and downstream transformations. The mechanism studies show that the reaction is achieved through electrophilic substitution process, and diaryl disulfide may be the main intermediate.

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