THE PREPARATION OF<i>N</i><sup>1</sup>-ALKOXYCARBONYL-<i>N</i><sup>2</sup>-(METHYLTHIO)THIOCARBONYLGUANIDINES VIA Δ<sup>4</sup>-l,2,4-THIADIAZOLINE DERIVATIVES
作者:Toshio Fuchigami、Tsutomu Nonaka
DOI:10.1246/cl.1979.829
日期:1979.7.5
The reaction of potassium methyl cyanoiminodithiocarbonate (1) with N-chlorocarbamates (2) gave 2-alkoxycarbonyl-3-imino-5-methylthio-Δ4-1,2,4-thiadiazolines (3). The reduction of (3) with hydrogen sulfide gave N1- alkoxycarbonyl-N2-(methylthio)thiocarbonylguanidines (4) quantitatively.
氰亚胺二硫代碳酸甲酯钾(1)与 N-氯代氨基甲酸酯(2)反应,得到 2-烷氧羰基-3-亚氨基-5-甲硫基-Δ4-1,2,4-噻二唑啉(3)。用硫化氢还原 (3) 可以定量得到 N1-烷氧羰基-N2-(甲硫基)硫代羰基胍 (4)。