Isolation and chemotaxonomic significance of tuberostemospironine-type alkaloids from Stemona tuberosa
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AbstractAn alkaloid named 6 alpha-hydroxycroomine (1) as well as the known croomine (2), both belonging to the tuberostemospironine-alkaloid type, were isolated from Stemona tuberosa as the major components. The structure of 1 was elucidated through extensive spectroscopic analyses. Comparison of the HPLC profiles of the total alkaloids and the crude methanol extract showed that both compounds are naturally occurring. The first isolation of 1 and 2 from S. tuberosa has chemotaxonomic significance, confirming the close relationship between Stemona and Croomia. The trnL sequences of plants from the four genera of Stemonaceae cluster together as a clade, further lending support to retaining them in a single family. (c) 2005 Published by Elsevier Ltd.
All Author(s) ListJiang RW, Hon PM, Xu YT, Chan YM, Xu HX, Shaw PC, But PPH
Journal namePhytochemistry
Volume Number67
Issue Number1
Pages52 - 57
LanguagesEnglish-United Kingdom
Keywords6 alpha-hydroxycroomine; Croomia; croomine; Stemona tuberosa; Stemonaceae; trnL sequence
Web of Science Subject CategoriesBiochemistry & Molecular Biology; BIOCHEMISTRY & MOLECULAR BIOLOGY; Plant Sciences; PLANT SCIENCES

Last updated on 2021-15-06 at 00:12