Phytochemistry p. 1093 - 1098 (1989)
Update date:2022-08-16
Topics:
Kawaguchi, Kiichiro
Hirotani, Masao
Furuya, Tsutomu
Biotransformation products of digitoxigenin by cell suspension cultures of Strophanthus intermedius were isolated and their structures elucidated as 3-epidigitoxigenin, 3-epi-17βH-digitoxigenin, gitoxigenin, periplogenin, 3-epigitoxigenin, 3-epiperiplogenin and digitoxigenin β-D-glucoside, respectively.Furthermore, 3-epi-17βH-periplogenin, 3-epidigitoxigenin β-D-glucoside and digitoxigenone were identified by TLC and HPLC.Biotransformation reactions of the digitoxigenin molecule by plant cell cultures are summarized and discussed comparatively. - Keywords: Strophanthus intermedius; Apocynaceae; cell cultures; biotransformation; 5β- and 16β-hydroxylation; cardenolides; digitoxigenin; 3-epigitoxigenin.
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