LeHavreV1, France, Analysis, bibRecord, 001091

Synthesis of 1,2‐oxazaheterocycles containing an isoindolone moiety from N‐Hydroxyphthalimide

Identifieur interne : 001091 ( France/Analysis ); précédent : 001090; suivant : 001092

Synthesis of 1,2‐oxazaheterocycles containing an isoindolone moiety from N‐Hydroxyphthalimide

Auteurs : Alexander Bartovic [Slovaquie] ; Bernard Decroix [France] ; P. Netchitaïlo [France]

Source :

Journal of Heterocyclic Chemistry [ 0022-152X ] ; 2000-07.

RBID : ISTEX:6BF0BB528AF9923BA185C6ECC8196424E0581694

Abstract

Syntheses of the isoindolobenzoxazinone 1a and thienoxazinoisoindolones 1b,c was developed from N‐hydroxyphthalimide 3 and halogenomethylaryl derivatives. The resulting aryloxy phthalimides 4a‐c were reduced to hydroxylactams 5a‐c which cyclized in acidic conditions. A Wittig reaction on 5a using carbethoxymethylidenetriphenylphosphorane gave the corresponding acid 6 which treated in Friedel and Crafts conditions led to the isoxazolinone 8 by cleavage of the benzyl CO bond.

Url:

https://api.istex.fr/document/6BF0BB528AF9923BA185C6ECC8196424E0581694/fulltext/pdf

DOI: 10.1002/jhet.5570370426

Affiliations:

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ISTEX:6BF0BB528AF9923BA185C6ECC8196424E0581694

Le document en format XML

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<front><div type="abstract">Syntheses of the isoindolobenzoxazinone 1a and thienoxazinoisoindolones 1b,c was developed from N‐hydroxyphthalimide 3 and halogenomethylaryl derivatives. The resulting aryloxy phthalimides 4a‐c were reduced to hydroxylactams 5a‐c which cyclized in acidic conditions. A Wittig reaction on 5a using carbethoxymethylidenetriphenylphosphorane gave the corresponding acid 6 which treated in Friedel and Crafts conditions led to the isoxazolinone 8 by cleavage of the benzyl CO bond.</div>
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Synthesis of 1,2‐oxazaheterocycles containing an isoindolone moiety from N‐Hydroxyphthalimide

Synthesis of 1,2‐oxazaheterocycles containing an isoindolone moiety from N‐Hydroxyphthalimide

Source :

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri