Intramolecular cyclization of amido acids into pyrrolidinothieno(or [1]benzothieno)[3]azepinediones

Intramolecular cyclization of amido acids into pyrrolidinothieno(or [1]benzothieno)[3]azepinediones

The synthesis of pyrrolidino[2,1‐b]thieno[3,2(2,3)‐f][3]azepinediones 7a,b and pyrrolidino[2,1‐b]‐[1]benzothieno[3,2(2,3)‐f][3]azepinediones 7c,d are described starting from thiophenes or [1]benzothio‐phenes acetic acids. Their selective reduction using triethylsilane led to the corresponding azepin...

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Veröffentlicht in:Journal of heterocyclic chemistry 1997-01, Vol.34 (1), p.225-231
Hauptverfasser: Othman, Mohamed, Netchitailo, Pierre, Decroix, Bernard
Format: Artikel
Sprache:eng
Schlagworte:
Catalysis
Chemical Sciences
Organic chemistry
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Zusammenfassung:The synthesis of pyrrolidino[2,1‐b]thieno[3,2(2,3)‐f][3]azepinediones 7a,b and pyrrolidino[2,1‐b]‐[1]benzothieno[3,2(2,3)‐f][3]azepinediones 7c,d are described starting from thiophenes or [1]benzothio‐phenes acetic acids. Their selective reduction using triethylsilane led to the corresponding azepinones 17a‐d.
ISSN:0022-152X
1943-5193
DOI:10.1002/jhet.5570340134