Anthraquinones from hedyotis herbacea
A new anthraquinone, 2-hydroxymethyl-10-hydroxy-1,4-anthraquinone (1), was isolated from Hedyotis herbacea along with three other known derivatives: 1,4-dihydroxy-2-hydroxymethylanthraquinone (2); 2, 3-dimethoxy-9-hydroxy-1,4-anthraquinone; and 1,4-dihydroxy-2, 3-dimethoxyanthraquinone. The structure of 1 was determined based on analysis of its spectroscopic data.
Permana
D
Department of Chemistry, and, Institut Biosains, and, Department of Biotechnology, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia, and Faculty of Pharmaceutical Sciences, Chiba University, I-33 Yayoi-cho, Inage-ku, Chiba 263-8522, Japa.
Lajis
NH
Othman
AG
Ali
AM
Aimi
N
Kitajima
M
Takayama
H