New fused lactones from indolizinediones via N-acyliminium ions

N-Arylmethylphthalimidine-3-carboxylates 3 are good precursors for the synthesis of ketones 5a,b or enols 6c-e which upon acidic treatment led to lactones 7 via an N-acyliminium ion.

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Veröffentlicht in:Tetrahedron 1998-07, Vol.54 (30), p.8737-8744
Hauptverfasser: Othman, Mohamed, Pigeon, Pascal, Decroix, Bernard
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container_title Tetrahedron
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creator Othman, Mohamed
Pigeon, Pascal
Decroix, Bernard
description N-Arylmethylphthalimidine-3-carboxylates 3 are good precursors for the synthesis of ketones 5a,b or enols 6c-e which upon acidic treatment led to lactones 7 via an N-acyliminium ion.
doi_str_mv 10.1016/S0040-4020(98)00468-2
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subjects Chemical Sciences
Organic chemistry
title New fused lactones from indolizinediones via N-acyliminium ions
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