𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Synthesis of derivatives of a new heterocyclic system, 9-oxo-1,3,4-thiadiazolo[3,2-a]pyrido[3,2-e]pyrimidine

✍ Scribed by S. Sh. Shukurov; M. A. Kukaniev; M. I. Nasyrov


Book ID
112388712
Publisher
Springer
Year
1995
Tongue
English
Weight
202 KB
Volume
44
Category
Article
ISSN
1573-9171

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


Synthesis and conversion of 6-fluoro der
✍ Muhamadsho A. Kukaniev; Cyril Párkányi 📂 Article 📅 2011 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 86 KB

## Abstract 2‐Alkyl‐, 2‐aryl‐, and 2‐halo‐substituted derivatives of 7‐methyl‐6‐fluoro‐1,3,4‐thiadiazolo[3,2‐__a__]pyrimidin‐6‐one (**3**) were prepared by reaction of 2‐substituted 5‐amino‐1,3,4‐thiadiazoles (**1**) and ethyl 2‐fluoroacetoacetate (**2**) in polyphosphoric acid. A convenient proced

Synthesis and transformations of hydrazi
✍ Muhamadsho A. Kukaniev; Cyril Párkányi 📂 Article 📅 2011 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 78 KB

## Abstract 2‐Alkyl and 2‐arylhydrazine derivatives of 5__H__‐2‐R‐6‐fluoro‐7‐methyl‐1,3,4‐thiadiazolo[3,2‐__a__]pyrimidin‐5‐one were prepared by reaction of 5__H__‐2‐bromo‐6‐fluoro‐7‐methyl‐1,3,4‐thiadiazolo[3,2‐__a__]pyrimidin‐5‐one with hydrazine derivatives. A convenient procedure was developed