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Synthesis of 3,4-Dihydro-5H-1-Thia-3,5,6,8-tetraazaacenaphthylenes

✍ Scribed by S. Tumkyavichyus


Publisher
Springer US
Year
1996
Tongue
English
Weight
257 KB
Volume
32
Category
Article
ISSN
0009-3122

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A facile synthesis of 5H-1-thia-3,5,6,8-
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## Abstract Ethyl 5‐substituted 7‐(methylthio)‐5__H__‐1‐thia‐3,5,6,8‐ tetra‐azaacenaphthylene‐2‐carboxylates (5a‐f) representing a new heterocyclic system were prepared by acid‐catalyzed cyclocondensation of ethyl 5‐amino‐4‐(substituted amino)‐2‐(methylthio)thieno[2,3‐__d__]pyrimidine‐6‐carboxylate

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