RESEARCHES ON PYRIMIDINES. CVI. LEUCO BASES OF A NEW CLASS OF DYESTUFFS CONTAINING PYRIMIDINE RINGS

On triazoles XLIV [1]. synthesis of new

On triazoles XLIV [1]. synthesis of new ring systems containing imidazo[2′,1′:3,4] [1,2,4] triazolo [1,5-a]pyrimidine and imidazo[1′,2′:2,3][1,2,4]triazolo[1,5-a]pyrimidine skeleton

✍ Gábor Berecz; József Reiter; Gyula Argay; Alajos Kálmán 📂 Article 📅 2002 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 85 KB

## Abstract **Dedicated to Dr. János Császár on the occasion of his 70^th^ birthday** Ring transformation of 2‐cyanoimido‐3‐methyl‐1,3‐oxazolidine (**10**) yielded 5‐amino‐3‐[__N__‐(2‐hydrox‐yethyl)‐__N__‐methyl]amino‐1__H__‐1,2,4‐triazole (**6**) that was ring closed with different β‐keto esters