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An entry into the novel tetracyclic system 6H-pyrido[1′,2′:4,5]pyrazino[1,2-a]benzimidazole. Synthesis and conformational study of the 1,2,3,4,13,13a-hexahydro-3,3-ethylenedioxy and 3-ketone derivatives

✍ Scribed by Frans Compernolle; M.-Ashty Saleh; Suzanne Toppet; Wim De Buysser; Georges Hoornaert


Book ID
112130205
Publisher
Journal of Heterocyclic Chemistry
Year
1991
Tongue
English
Weight
308 KB
Volume
28
Category
Article
ISSN
0022-152X

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📜 SIMILAR VOLUMES


Pyrazolo[4′,3′:5,6]pyrano[2,3-b]quinoxal
✍ Gernot A. Eller; Barbara Datterl; Wolfgang Holzer 📂 Article 📅 2007 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 331 KB

## Abstract magnified image Derivatives of the hitherto unknown ring system, pyrazolo[4′,3′:5,6]pyrano[2,3‐__b__]quinoxalin‐4(1__H__)‐one, are synthesized in one step from the corresponding 1‐substuituted or 1,3‐disubstituted 2‐pyrazolin‐5‐ones and 3‐chloroquinoxaline‐2‐carbonyl chloride using cal