Bowdenol, a New 2,3-Dihydrobenzofuran Constituent fromBowdichia Virgilioides
Francisca N. Melo, Vanessa R. Navarro, Marcelo Sobral da Silva, Emídio Vasconcelos Leitão da Cunha, José Maria Barbosa‐Filho, Raimundo Braz‐Filho
Abstract
Francisca N. Melo, Vanessa R. Navarro, Marcelo Sobral da Silva, Emídio Vasconcelos Leitão da Cunha, José Maria Barbosa‐Filho, Raimundo Braz‐Filho
Abstract
From the stem bark of Bowdichia virgilioides, lupeol, lupeol acetate, sitosterol, stigmasterol and methyl-3-[2-(1-hydroxymethylvinyl)-2,3-dihydrobenzo[b]furan-5-yl]-(E)-2-propenoate have been isolated. The latter is a new compound and it has been named as bowdenol. Their structures were elucidated with the aid of spectroscopic techniques, mostly 1 and 2D NMR. The biogenetic pathway for bowdenol has been suggested.
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From the stem bark of Bowdichia virgilioides, lupeol, lupeol acetate, sitosterol, stigmasterol and methyl-3-[2-(1-hydroxymethylvinyl)-2,3-dihydrobenzo[b]furan-5-yl]-(E)-2-propenoate have been isolated. The latter is a new compound and it has been named as bowdenol. Their structures were elucidated with the aid of spectroscopic techniques, mostly 1 and 2D NMR. The biogenetic pathway for bowdenol has been suggested.
Key concepts: Chemistry, Stereochemistry