作者:Carlos L. Zani、Alaíde B. De Oliveira、Geovane G. De Oliviera(in memoriam)
DOI:10.1016/0031-9422(91)83653-3
日期:1991.1
Abstract From the trunkwood of Tabebuia ochracea , β-sitosterol, cycloolivil, lapachol, and seven furanonaphthoquinones including the known 2-(1-hydroxyethyl)naphtho[2,3- b ]furan-4,9-quinone were isolated. The six new furanonaphthoquinones comprise three similar C 2 alcohol-ketone pairs at C-2 as proved by oxidations with pyridinium chlorochromate. 2-Acetyl-6-methoxynaphtho[2,3- b ]furan-4,9-quinone
摘要 从赭石树干中分离出β-谷甾醇、环橄榄醇、拉巴酚和包括已知的2-(1-羟乙基)萘并[2,3-b]呋喃-4,9-醌在内的7种呋喃萘醌。六种新的呋喃萘醌在 C-2 处包含三个相似的 C 2 醇-酮对,如用氯铬酸吡啶氧化证明。2-乙酰基-6-甲氧基萘并[2,3-b]呋喃-4,9-醌被证明与合成的7-甲氧基异构体不同,而2-乙酰-8-甲氧基萘并[2,3-b]呋喃-4,9-醌和2-乙酰基-7,8-二甲氧基萘并[2,3-b]呋喃-4,9-醌与合成化合物相同。