A new pyrroloquinazoline alkaloid from Linaria vulgaris.
A new alkaloid, 1,2,3,9-tetrahydropyrrolo(2,1-b)quinazolin-1-carboxylic acid (1), together with eight known compounds, 7-hydroxy vasicine (2), benzyl alcohol beta-D-(2'-O-beta-xylopyranosyl)glucopyranoside (3), benzyl alcohol O-beta-D-glucopyranoside (4), benzyl alcohol O-beta-D-primveroside (5), 3,5-dimethyl-4-hydroxy benzaldehyde (6), gluco-syringic acid (7), syringin (8), and liriodendrin (9), were isolated from the plants of Linaria vulgaris. Their structures were established by spectroscopic methods.
Hua
Huiming
H
Shenyang Pharmaceutical University, China. huimhua@163.com
Cheng
Maosheng
M
Li
Xian
X
Pei
Yuehu
Y
D000470:Alkaloids / Q000737:chemistry* / Q000302:isolation & purification; D004365:Drugs, Chinese Herbal / Q000737:chemistry / Q000302:isolation & purification; D032221:Linaria / Q000737:chemistry*; D035261:Plant Components, Aerial / Q000737:chemistry; D011758:Pyrroles / Q000737:chemistry* / Q000302:isolation & purification; D011804:Quinolines / Q000737:chemistry* / Q000302:isolation & purification
D000470:Alkaloids; D004365:Drugs, Chinese Herbal; D011758:Pyrroles; D011804:Quinolines; C410406:pyrroloquinoline