Synthesis of thieno[2′,3′(3′,4′ or 3′,2′):5,6]azepino[2,1‐a]isoindolediones from N‐Thienyl‐2(3)‐ylmethylphthalimides
Identifieur interne : 001361 ( France/Analysis ); précédent : 001360; suivant : 001362Synthesis of thieno[2′,3′(3′,4′ or 3′,2′):5,6]azepino[2,1‐a]isoindolediones from N‐Thienyl‐2(3)‐ylmethylphthalimides
Auteurs : Pascal Pigeon [France] ; Bernard Decroix [France]Source :
- Journal of Heterocyclic Chemistry [ 0022-152X ] ; 1996-01.
Abstract
Reduction of N‐thienybnethylphthalimides 5a‐e followed by the Wittig reaction gave the substituted acetic acids 8a‐e. Their corresponding acyl chlorides where cyclized in the presence of aluminium trichloride to furnish the cyclic ketones 9a‐e. Treatment of these ketones with bromine followed by triethylamine, or with selenium dioxide led to the thienoazepinoisoindolediones 1a‐e.
Url:
DOI: 10.1002/jhet.5570330123
Affiliations:
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<front><div type="abstract">Reduction of N‐thienybnethylphthalimides 5a‐e followed by the Wittig reaction gave the substituted acetic acids 8a‐e. Their corresponding acyl chlorides where cyclized in the presence of aluminium trichloride to furnish the cyclic ketones 9a‐e. Treatment of these ketones with bromine followed by triethylamine, or with selenium dioxide led to the thienoazepinoisoindolediones 1a‐e.</div>
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