Phytochemistry p. 2379 - 2381 (1991)
Update date:2022-08-11
Topics:
Zani, Carlos L.
Oliveira, Alaide B. de
Oliviera, Geovane G. de
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 C2 alcohol-ketone pairs at C-2 as proved by oxidations with pyridinium chlorochromate. 2-Acetyl-6-methoxynaphtho<2,3-b>furan-4,9-quinone was shown to be different from the synthetic 7-methoxy isomer, while 2-acetyl-8-methoxynaphtho<2,3-b>furan-4,9-quinone and 2-acetyl-7,8-dimethoxynaphtho<2,3-b>furan-4,9-quinone were identical to the synthetic compounds.
View More
Shanghai Rainbow Chemistry Co., Ltd.
Contact:+86-21-64968086-5815/5812
Address:3rd floor, Building 7, 251 Faladi Road, Zhangjiang Hi-Tech Park, Pudong District, Shanghai, P.R. China
Xi'an caijing Opto-Electrical Science & Technology Co., LTD
Contact:+86-29-88294447
Address:NO.168 Zhangba Rd. East, Xi'an, P.R.China
Shanghai doly chemical Co.,Ltd
Contact:+86-21-34716221
Address:No.328,WuHe Roard,MinHang,ShangHai China
Zhejiang Linhai Xinhua Chemicals Factory
Contact:0086-13661858911
Address:Xunqiao Development Zone, Linhai, Zhejiang, China
Evergreen Chemical Industry Ltd.
Contact:86-553-4918210
Address:6#2-602 Wanhaobailing
Doi:10.1039/b407002j
(2004)Doi:10.1002/cctc.201901987
(2020)Doi:10.1246/bcsj.57.2502
(1984)Doi:10.1021/ja01147a045
(1951)Doi:10.1016/j.tetlet.2004.05.141
(2004)Doi:10.1007/s12039-013-0372-3
(2013)
