One-pot synthesis of 2-phenylaminothiazolines from N-2-hydroxyethyl)-N′-phenylthioureas
摘要:
2-Phenylaminothiazolines 3 were synthesized from N-(2-hydroxyethyl)-N'-phenylthioureas 2 by a one-pot reaction using p-toluenesulfonyl chloride (TsCl) and NaOH or Et3N. (C) 1999 Elsevier Science Ltd. All rights reserved.
A Selective and Convenient Method for the Synthesis of 2-Phenylaminothiazolines
作者:April L. Bernacki、Lingyang Zhu、D. David Hennings
DOI:10.1021/ol102428m
日期:2010.12.3
A series of 2-phenylaminothiazolines have been prepared from the corresponding N-(2-hydroxyethyl)-N'-phenylthioureas under mild reaction conditions using either thio-CDI (1,1'-thiocarbonyldiimidazole) or CDI (1,1'-carbonyldiimidazole) to promote the cyclization. This protocol provides the desired cyclization products in good yield with excellent selectivity. The scope and selectivity of this methodology are also described.
Gabriel, Chemische Berichte, 1916, vol. 49, p. 2122