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42268-53-1

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42268-53-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 42268-53-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,2,6 and 8 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 42268-53:
(7*4)+(6*2)+(5*2)+(4*6)+(3*8)+(2*5)+(1*3)=111
111 % 10 = 1
So 42268-53-1 is a valid CAS Registry Number.

42268-53-1Relevant articles and documents

Rh(I)-Catalyzed Intramolecular Decarbonylation of Thioesters

Cao, Han,Liu, Xuejing,Bie, Fusheng,Shi, Yijun,Han, Ying,Yan, Peng,Szostak, Michal,Liu, Chengwei

, p. 10829 - 10837 (2021/07/28)

Decarbonylative synthesis of thioethers from thioesters proceeds in the presence of a catalytic amount of [Rh(cod)Cl]2 (2 mol %). The protocol represents the first Rh-catalyzed decarbonylative thioetherification of thioesters to yield valuable thioethers. Notable features include the absence of phosphine ligands, inorganic bases, and other additives and excellent group tolerance to aryl chlorides and bromides that are problematic using other metals to promote decarbonylation. Gram scale synthesis, late-stage pharmaceutical derivatization, and orthogonal site-selective cross-couplings by C-S/C-Br cleavage are reported.

Nickel-catalyzed reductive aryl thiocarbonylation of alkene via thioester group transfer strategy

Feng, Yunxia,Yang, Shimin,Zhao, Shen,Zhang, Dao-Peng,Li, Xinjin,Liu, Hui,Dong, Yunhui,Sun, Feng-Gang

supporting information, p. 6734 - 6738 (2020/09/15)

Herein reported is a nickel-catalyzed reductive aryl thiocarbonylation of alkene via thioester group transfer strategy by using simple and readily available thioesters. In contrast to traditional activation of weaker C(acyl)-S bond, the C(acyl)-C bond of

Metal-free thioesterification of amides generating acyl thioesters

Wang, Qun,Liu, Long,Dong, Jianyu,Tian, Zhibin,Chen, Tieqiao

supporting information, p. 9384 - 9388 (2019/06/21)

A base-initiated thioesterification of amides with various thiols is reported. This reaction can take place efficiently under metal-free and air-atmospheric conditions, and provides a facile and practically useful approach to the synthesis of valuable acy

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