PROCESS FOR THE PREPARATION OF CERTAIN TRIARYL RHAMNOSE CARBAMATES

摘要

Aryl or heteroaryl 1-substituted triazoles are prepared by cyclizing aryl or heteroaryl hydrazines with urea and alkyl orthoformates.

主权项

1. A compound of formula (II) wherein Y represents Cl, Br, I, OSO2CF3, OSO2CH3, or OSO2C6H4CH3, and Z represents a furanyl, phenyl, pyridazinyl, pyridyl, pyrimidinyl or thienyl group, unsubstituted or substituted with one or more substituents independently selected from F, Cl, C1-C6 alkyl, C1-C6 haloalkyl, C1-C6 haloalkoxy or C1-C6 haloalkylthio.