The preparation of 5‐substituted 1, 2, 4‐triazoline‐3‐thiones and of alkylene and arylene 5, 5'‐bis‐l, 2, 4‐triazoline‐3‐thiones

Abstract

Abstract A method has been developed for the preparation of 5‐substituted 1. 2. 4‐triazoline‐3‐thiones and of alkylene and arylene 5. 5'‐bis‐1. 2. 4‐triazoline‐3‐thiones starting from carboxylic acid esters or dicarboxylic acid esters and thiosemicarbazide in sodium alcoholate medium.