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Bridgehead nitrogen heterocycles derived from the potassium salt of 2,3,5,6,7,8-hexahydro-3-amino-2-thioxo benzothieno[2,3-d ]pyrimidin-4-(1H)-one

✍ Scribed by Andrea Santagati; Maria Modica; Maria Santagati


Book ID
112131009
Publisher
Journal of Heterocyclic Chemistry
Year
1994
Tongue
English
Weight
175 KB
Volume
31
Category
Article
ISSN
0022-152X

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📜 SIMILAR VOLUMES


New synthetic approaches to bridgehead n
✍ Andrea Santagati; Maria Modica; Maria Santagati 📂 Article 📅 2000 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 260 KB

## Abstract Bridgehead nitrogen heterocycles **3a**, **b** and **6a**, **b** containing the thieno‐pyrimidine system have been prepared from the versatile intermediates 3‐amino‐2,3‐dihydro‐5,6‐dimethyl‐2‐thioxo‐thieno[2,3‐__d__]pyrimidin‐4‐(1__H__)‐one **1** and its hydrazinium or potassium salts *