THE ISOLATION AND STRUCTURE OF ROXBURIC ACID

LIANG Guang-Yi. THE ISOLATION AND STRUCTURE OF ROXBURIC ACIDJ. Acta Pharmaceutica Sinica, 1987, 22(2): 121-125.

Citation:

LIANG Guang-Yi. THE ISOLATION AND STRUCTURE OF ROXBURIC ACIDJ. Acta Pharmaceutica Sinica, 1987, 22(2): 121-125.

Citation:

LIANG Guang-Yi. THE ISOLATION AND STRUCTURE OF ROXBURIC ACIDJ. Acta Pharmaceutica Sinica, 1987, 22(2): 121-125.

Abstract

A new tetrahydroxy triterpene acid, named roxburic acid (R-7), C₍₃₀₎H₍₄₈₎O₆, α_D¹⁸ 0°, was isolated from the fruits of Rosa roxburghii Tratt. Its structure was elucidated to bc 2β,3β,7β, 19α-tetrahydroxyurs-12-en-28-oic acid by chemical and spectral evidence.

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