Investigation of the Mitsunobu Reaction ofN-(2-Hydroxyethyl)-N′-Phenyl-Ureas

Abstract
The Mitsunobu reaction of N-(2-hydroxyethyl)-ureas 1 using PPh3 and EtO2CN[dbnd]NCO2Et led to the mixture of N- and O-alkylation products or a single isomer depending on the substrates.