Bis heterocycles as potential chemotherapeutic agents. X. Synthesis of bis(4‐arylthiosemicarbazido)‐, bis(2‐arylamino‐1,3,4‐thiadiazol‐5‐yl) and bis(4‐aryl‐1,2,4‐triazolin‐3‐thione‐5‐yl)pentanes and related compounds

Synthesis of several bis(4‐arylthiosemicarbazido‐ 1, bis(2‐arylamino‐1,3,4‐thiadiazol‐5‐yl)‐ 5 and bis(4‐aryl‐1,2,4‐triazolin‐3‐thione‐5‐yl)‐ 2 pentanes is described. Sulphides 3 and sulphones 4 are also prepared from 2 by alkylation and subsequent oxidation with hydrogen peroxide respectively.