Collect. Czech. Chem. Commun. 1991, 56, 1505-1511

A 15N, 13C, and 1H NMR study of reaction products from arylguanidines and chloroformate esters

Antonín Lyčkaa and Karel Palát, Jr.b

a Research Institute of Organic Syntheses, 532 18 Pardubice-Rybitví
b Faculty of Pharmacy, Charles University, 501 65 Hradec Králové


The 15N, 13C, and 1H NMR spectra of the reaction products from arylguanidines with two mols of chloroformate esters have been measured. With application of the corresponding 15N isotopomer it has been proved that the reaction products have the structures IIIa-IIIc.