A mild cyclodesulfurization of N-(2-hydroxyethyl)-N′-phenylthioureas to 2-phenylamino-2-oxazolines using TsCl/NaOH
摘要:
An efficient synthesis of 2-phenylamino-2-oxazolines 3 via cyclodesulfurization of N-(2-hydroxyethyl)-N ' -phenylthioureas 2 by a one-pot reaction using p-toluenesulfonyl chloride (TsCl) and NaOH in very good yields is described. (C) 2001 Elsevier Science Ltd. All rights reserved.
Investigation of the Mitsunobu Reaction of<i>N</i>-(2-Hydroxyethyl)-<i>N′</i>-Phenyl-Ureas
作者:Taek Hyeon Kim、Gue-Jae Lee、Mi-Hyun Cha
DOI:10.1080/00397919908086441
日期:1999.8
The Mitsunobu reaction of N-(2-hydroxyethyl)-ureas 1 using PPh3 and EtO2CN=NCO2Et led to the mixture of N- and O-alkylation products or a single isomer depending on the substrates.