Molecular iodine-mediated synthesis of thiocarbamates from thiols, isocyanides and water under metal-free conditions
作者:Wen-Hu Bao、Chao Wu、Jing-Ting Wang、Wen Xia、Ping Chen、Zilong Tang、Xinhua Xu、Wei-Min He
DOI:10.1039/c8ob01820k
日期:——
A metal-free and efficient molecular iodine-mediated protocol has been developed to prepare thiocarbamates from readily available thiols, isocyanides and water.
Iodine-catalyzed cross-coupling of isocyanides and thiols for the synthesis of <i>S</i>-thiocarbamates
作者:Ramdas S. Pathare、Vikas Patil、Harpreet Kaur、Antim K. Maurya、Vijai K. Agnihotri、Shahnawaz Khan、Nagaraju Devunuri、Ashoke Sharon、Devesh M. Sawant
DOI:10.1039/c8ob01855c
日期:——
A novel and efficient metal free, redox-neutral method for the synthesis of secondary thiocarbamates by cross-coupling of readily available thiophenol and isocyanides has been developed. The present methodology exhibits a broad substrate scope with good to excellent yields without an additive/extra oxidant under mild reaction conditions catalyzed by inexpensive iodine as the catalyst.
461. Cytotoxic compounds. Part III. Some derivatives of p-(NN-di-2-chloroethyl- and of p,-(NN-di-2-bromoethyl-amino)thiophenol
作者:A. M. Creighton、L. N. Owen、G. R. White
DOI:10.1039/jr9610002375
日期:——
Clean preparation of S-thiocarbamates with in situ generated hydroxide in 2-methyltetrahydrofuran
作者:Wen-Hu Bao、Zheng Wang、Xiao Tang、Yun-Fu Zhang、Jia-Xi Tan、Qin Zhu、Zhong Cao、Ying-Wu Lin、Wei-Min He
DOI:10.1016/j.cclet.2019.06.052
日期:2019.12
A simple and clean protocol for the synthesis of various alkyl and (hetero)aryl S-thiocarbamates was established. The usage of in situ generated hydroxide as both an oxygen source and hydrogen source as well as biomass-derived 2-methyltetrahydrofuran as a green reaction medium, the avoidance of phosphorus-containing reductant, and the generation of harmless water and nitrogen as the side-products have given the present method atom-economy and environmental friendliness. (C) 2019 Chinese Chemical Society and Institute of Materia Medica, Chinese Academy of Medical Sciences. Published by Elsevier B.V. All rights reserved.