JOURNAL of the Tunisian Chemical Society

serving the Research, the Education and the Industry

Spirocyclisation électrophile. Accès à de nouvelles spirosuccinimides-γ-butyrolactones

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Novel spiroheterocyclic succinimide-derivatives containig γ-butyrolactone moities were prepared via spirocyclization using N-bromosuccinimide (NBS), N-iodosuccinimide (NIS) or silver carbonate (Ag2CO3). Importantly, in all cases, the reaction seems to be highly regioselective because during the cyclization process only the exo-dig products were obtained in high yields. The resulting heterocycle derivatives could serve as intermediates for the access to new natural alkaloids with a biological interest.

M.M. Rammah, M. Othman, M. B. Rammah

spirolactones, halocyclization, succinimide, butyrolactone

Pages 11-21

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