2007
DOI: 10.1039/b701051f
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Facile synthesis of γ-alkylidenebutenolides

Abstract: In this paper, a novel route to gamma-alkylidenebutenolides (gamma-AIBs) by way of stereoselective vinylogous aldol reaction of the unactivated butenolide in simple and general conditions is reported.

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Cited by 33 publications
(16 citation statements)
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“…Based on the previous researches and our previous work on the synthesis and bioactivity of -alkylidene buteno-lides [38][39][40][41], series of new , -unsaturated--lactones bearing a nitrogen-containing unit such as piperazine and piperidine are designed and synthesized in the present work. The antibacterial and cytotoxic activities of the synthetic compounds were also evaluated.…”
Section: Resultsmentioning
confidence: 99%
“…Based on the previous researches and our previous work on the synthesis and bioactivity of -alkylidene buteno-lides [38][39][40][41], series of new , -unsaturated--lactones bearing a nitrogen-containing unit such as piperazine and piperidine are designed and synthesized in the present work. The antibacterial and cytotoxic activities of the synthetic compounds were also evaluated.…”
Section: Resultsmentioning
confidence: 99%
“…The configurations of double bonds on C-5 of compounds 9a~9o were cis-double bonds according to NMR and the previous works. [9,10] Among of synthetic compounds, compound 9l showed potent anticancer effect in gastric cancer MGC803 and less cytotoxicity in normal gastric epithelial cell line (GES1). Compound 9l has a 4-isopropyl phenyl group in its structure.…”
Section: Chemistrymentioning
confidence: 99%
“…Conforme relatado pelos autores, os g-alquilidenobutenolídeos foram obtidos exclusivamente como estereoisômeros Z. 52 O grupo de pesquisa do LASA -Laboratório de Análise e Síntese de Agroquímicos, da Universidade Federal de Viçosa, vem desenvolvendo vários trabalhos voltados para a descoberta de novos compostos com atividade herbicida ou reguladora de crescimento de plantas, empregando-se produtos naturais como modelos. 53,54 Entre os metabólitos secundários utilizados como compostos-modelo 55 estão os nostoclídeos I (12) e II (13).…”
Section: -45unclassified