Constituents of the roots of Rubia yunnanensis.
Four new naphthohydroquinones, rubinaphthins A (1), B (2), C (3), and D (4), together with 11 known compounds were isolated and characterized from the roots of Rubia yunnanensis. The structures of 1-4 were elucidated by spectral analysis and chemical transformation.
Liou
Meei-Jen
MJ
Department of Chemistry, National Cheng Kung University, Tainan, Taiwan, Republic of China.
Wu
Pei-Lin
PL
Wu
Tian-Shung
TS
D006873:Hydroquinones / Q000737:chemistry / Q000302:isolation & purification*; D019666:Rubiaceae / Q000737:chemistry*
D006873:Hydroquinones