A new isomerism cassane diterpenes from seeds of Caesalpinia decapetala / 中草药
Chinese Traditional and Herbal Drugs
;
(24): 3567-3571, 2018.
Article
in Chinese
| WPRIM
| ID: wpr-851796
ABSTRACT
Objective:
To study the chemical constituents from the medicinal herb of Caesalpinia decapetala.Methods:
Silica gel and Sephadex LH-20 column chromatography techniques were used as pretreatments for ethanol extract of the seeds of C. decapetala, and then semi-preparative HPLC technique was used.Results:
Eight cassane diterpenes were isolated from the chloroform extract of C. decapetala. According to NMR, ESI-MS, and CD spectrum data, they were identified as 1α,6α,7β-triacetoxy-14α-methoxy- vouacapen-5α-ol (1), caesalmin F (2), neocaaesalpin MP (3), 1-deacteoxy-1-oxocaesalmin C (4), neocaesalpin AA (5), bonducellpin C (6), bonducellpin E (7), and neocaaesalpin N (8).Conclusion:
Compound 1 is a new compound and named as caediterpene A, compound 1-2 are a pair of epimeric diterpenes, and compounds 3-7 are obtained for the first time from the seeds of C. decapetala.
Full text:
Available
Index:
WPRIM (Western Pacific)
Language:
Chinese
Journal:
Chinese Traditional and Herbal Drugs
Year:
2018
Type:
Article
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