1017. Heterocyclic compounds from urea derivatives. Part II. Synthesis and cyclisation of 4-substituted 1-amidino-semicarbazides and-thiosemicarbazides
LEA Godfrey, F Kurzer
文献索引：Godfrey,L.E.A.; Kurzer,F. Journal of the Chemical Society, 1961 , p. 5137 - 5147
THE interaction of aminoguanidine (I) with isocyanate or isothiocyanate esters gives rise either to substituted N-aminoamidino (thio) ureas (A; X= 0 or S) or to 4-substituted 1-amidino (thi0) semicarbazides (B; X= 0 or S), in the presence or absence, respectively, of a blocking
