Five new pregnane glycosides, sinomarinosides A (1), B (2), C (3), D (4), and E (5), have been isolated from Sinomarsdenia incisa (Asclepiadaceae). The structures of these compounds were elucidated by NMR and mass spectroscopic methods and chemical evidence.
pregnane glycosides, Sinomarsdenia incisa, sinomarinoside A, sinomarinoside B, sinomarinoside C, sinomarinoside D, sinomarinoside E
NCBI PubMed ID: 10395497Publication DOI: 10.1021/np9804684Journal NLM ID: 7906882Publisher: American Society of Pharmacognosy
Institutions: Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China, College of Forestry, South China Agricultural University, Guangzhou, China
Methods: 13C NMR, 1H NMR, IR, FAB-MS, TLC, optical rotation measurement, DEPT, COSY, sulfuric acid hydrolysis
Found