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5700-44-7

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5700-44-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5700-44-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,7,0 and 0 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 5700-44:
(6*5)+(5*7)+(4*0)+(3*0)+(2*4)+(1*4)=77
77 % 10 = 7
So 5700-44-7 is a valid CAS Registry Number.

5700-44-7Relevant articles and documents

Electrochemical fluorosulfonylation of alkenes to access vicinal fluorinated sulfones derivatives

Zhao, Bin,Pan, Zichen,Zhu, Anqiao,Yue, Yanni,Ma, Mengtao,Xue, Fei

supporting information, (2022/01/24)

Herein, we report a practical and efficient fluorosulfonylation of the various alkenes with sulfonyl radical sources (RSO2NHNH2) and Et3N·3HF as cost-effective fluorination reagents under mild conditions. Remarkably, this

Photoinduced [3+2] Annulation of Alkene with o-Iodoanilines: An Expedient Approach to Indolines

Zhao, Xinxin,Guo, Lin,Yang, Chao,Xia, Wujiong

supporting information, p. 1341 - 1348 (2020/11/19)

A highly regioselective [3+2] cyclization of alkenes with 2-iodoanilines under the irradiation of UV light is described. This general, metal-free strategy facilitates the direct preparation of 2-mono-/disubstituted indolines as well as spiroindolines through alkene carboamination in one step. Mechanistic studies suggested that the photochemical protocol proceeded via a radical pathway.

Visible-Light-Induced Meerwein Fluoroarylation of Styrenes

Tang, Hai-Jun,Zhang, Bin,Xue, Fei,Feng, Chao

supporting information, p. 4040 - 4044 (2021/05/26)

An unprecedented approach for assembling a broad range of 1,2-diarylethane derivatives with fluorine-containing fully substituted carbon centers was developed. The protocol features straightforward operation, proceeds under metal-free condition, and accommodates a large variety of synthetically useful functionalities. The critical aspect to the success of this novel transformation lies in using aryldiazonium salts as both aryl radical progenitor and also as single electron acceptor which elegantly enables a radical-polar crossover manifold.

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