α-Haloalkyl Haloformates and Related Compounds 3.1 A Facile Synthesis of Symmetrical and Unsymmetrical Ureas via Chloromethyl Carbamates

T Patonay, E Patonay-Péli, L Zolnai…

Index: Synthetic Communications, , vol. 26, # 22 p. 4253 - 4265

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Citation Number: 17

Abstract

SYNTHETIC COMMUNICATIONS, 26(22), 4253-4265 (1996) ... avoid the use of the highly toxic phosgene or of the isocyanates alternative synthetic methods have ... carbonate ("triph~sgene"),~. henoxycarbonyl)tetrazol15 and a number of chloroformates, eg p-nitropheny1,l6 2,4 ...