A New Noroleanane from the Seeds of Trichosanthes kirilowii

Author:

Xu Liang1,Tang Chun-Feng2,Wu Cui1,Ma Yu-Cui1,Chao Zhi-Mao1

Affiliation:

1. Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, China

2. Guangxi Botanical Garden of Medicinal Plant, Nanning, 530023, China

Abstract

A new noroleanane named as karounitriol (1), together with four known compounds, 7-oxodihydrokarounidiol (2), isokarounidiol (3), karounidiol (4), and stigmasta-7,22-dien-3β-ol were isolated from the seeds of Trichosanthes kirilowii Maxim. Structure of the new compound was elucidated as 3α,7β,29-trihydroxy-D:C-friedo-olean-8-ene on the basis of spectroscopic methods including extensive 1D NMR (1H, 13C), 2D NMR (1H-1H COSY, DEPT, HMQC, HMBC, and NOESY), IR, and MS studies.

Publisher

SAGE Publications

Subject

Complementary and alternative medicine,Plant Science,Drug Discovery,Pharmacology,General Medicine

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