Thiazolderivate, VI. Darstellung von Thi
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Wobig, Dieter
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Article
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1984
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John Wiley and Sons
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English
⚖ 146 KB
**Thiazole Derivatives, VI. — Synthesis of thiazolo[4,5‐__d__]‐__v__‐triazin‐7(6__H__)‐ones** The 2‐alkylthio‐, 2‐alkylamino‐, 2‐anilino‐, and 2‐(__N__‐methylanilino)‐4‐amino‐5‐thiazolecarboxamides **1a**–**j** react with nitrous acid to give the thiazolo[4,5‐__d__]‐__v__‐triazine‐7(6__H__)‐ones **