Reaction of arylboronic acids with 5-aryl-3-substituted-2-thioxoimidazolin-4-ones
作者:Egor A. Dlin、Gleb M. Averochkin、Alexander V. Finko、Nataliya S. Vorobyeva、Elena K. Beloglazkina、Nikolay V. Zyk、Yan A. Ivanenkov、Dmitry A. Skvortsov、Victor E. Koteliansky、Alexander G. Majouga
DOI:10.1016/j.tetlet.2016.10.102
日期:2016.12
convenient and efficient catalytic procedure for the selective S-arylation of 2-thioxoimidazolidin-4-ones to give novel S-aryl substituted 2-thiohydantoins under mild reaction conditions using arylboronicacids is described. The anticancer activity of the compounds were evaluated in vitro.
Highly Efficient Dehydrogenation of 5-Benzyl-3-phenyl-2-thioxoimidazolidin-4-one: Microwave versus Flash Vacuum Pyrolysis Conditions
作者:Ana J. Pepino、Walter J. Peláez、Elizabeth L. Moyano、Gustavo A. Argüello
DOI:10.1002/ejoc.201200257
日期:2012.6
5-Benzyl-3-phenyl-2-thioxoimidazolidin-4-one underwent thermal dehydrogenation to afford 5-benzylidene-2-thioxoimidaxolidin-4-one under microwave and flashvacuumpyrolysisconditions. A high predominance of the Z-isomer over the E-isomer of the imidazolidinone product was achieved. By using DFT and NBO calculations, the mechanism of the dehydrogenation and the selectivity were also explored.
An Efficient Synthesis of 2-Alkylthio- 5-phenylmethylidene-4<b><i>H</i></b>-imidazolin-4-ones
作者:Ming-Wu Ding、Yong Sun、Zhao-Jie Liu
DOI:10.1081/scc-120018686
日期:2003.1.5
2-Alkylthio-5-phenylmethylidene-4H-imidazolin-4-ones 5 were synthesized by S-alkylation of thioimidazolinones 4, which were obtained via cyclization of carbodiimides 2 with Na2S/HOAc. The direct reaction of carbodiimides 2 with butylthiol could not give 2-butylthio-4H-imidazolin-4-ones 3.
Yaday Lal Dhar S., Vaish Anium, Sharma Sangeeta, Indian J. Chem. B, 32 (1993) N 8, S 882-885