Halolactonization reaction using N-haloimides

Halolactonization reaction using N-haloimides

Novel halactolactonizations using NBS (2), NIS(3), and NSP(4) in dry DMF were found to be the most reasonable and efficient procedures. The participation of X as the cylization initiator could be clarly rationalized by experimental results and the regioselectivities of formed halolactones were reaso...

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Veröffentlicht in:Archives of pharmacal research 1983-06, Vol.6 (1), p.45-53
Hauptverfasser: Cook, Chae-ho, Cho, Youn-sang, Jew, Sang-sup, Suh, Young-guh, Kang, Eung-ku
Format: Artikel
Sprache:eng
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Zusammenfassung:Novel halactolactonizations using NBS (2), NIS(3), and NSP(4) in dry DMF were found to be the most reasonable and efficient procedures. The participation of X as the cylization initiator could be clarly rationalized by experimental results and the regioselectivities of formed halolactones were reasonably elucidated by weakly bridged carbonium ion intermediate.
ISSN:0253-6269
1976-3786
DOI:10.1007/BF02855701