The structures of two new constituents, a β-glycoside (1) and a steroid (2), isolated from the twigs and thorns of Castela polyandra, were established by a combination of spectroscopic and single-crystal X-ray analysis.
spectroscopy, steroids, Simaroubaceae, quassinoids, Castela polyandra, twigs, thorns, β-glycosides, X-ray crystrallography
NCBI PubMed ID: 10419283Publication DOI: 10.1016/S0031-9422(99)00060-6Journal NLM ID: 0151434Publisher: Elsevier
Institutions: Department of Chemistry and Biochemistry, Montana State University, Bozeman, Montana 59717, USA, Department of Chemistry, Indiana University, Bloomington, Indiana 47405, USA, Department of Molecular Structure Center, Indiana University, Bloomington, Indiana 47405, USA
Methods: 13C NMR, 1H NMR, X-ray, TLC, optical rotation measurement, HRMS, FT-IR
Found