Premium
Thermal degradation of glycosides, III. Degradation of cardenolide glycosides
Author(s) -
Kim Youn Chul,
Higuchi Ryuichi,
Komori Tetsuya,
Abe Fumiko,
Yamauchi Tatsuo
Publication year - 1990
Publication title -
liebigs annalen der chemie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.825
H-Index - 155
eISSN - 1099-0690
pISSN - 0170-2041
DOI - 10.1002/jlac.1990199001174
Subject(s) - cardenolide , chemistry , glycoside , glycosidic bond , aglycone , sugar , organic chemistry , degradation (telecommunications) , telecommunications , computer science , enzyme
The thermal degradation of cardenolide glycosides consisting of different sugar moieties and aglycones was examined. On simple heating, the sugar—aglycone linkage of cardenolide glycosides having 2,6‐dideoxy sugar moieties in readily cleaved, to afford their genuine aglycones. On the contrary, cardenolide glycosides possessing 6‐deoxy sugar moieties are resistant to the degradative reaction. Besides the fission of the glycosidic linkages, some interesting reactions also took place. The pyrolyzed products were isolated by chromatography, and the structures were elucidated by spectroscopic evidence.