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Baccharane glycosides from seeds of Impatiens balsamina
N Shoji1, A Umeyama, K Yoshikawa
1Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Japan.
Phytochemistry
|November 1, 1994
Abstract:
From the seeds of Impatiens balsamina have been isolated four rare baccharane glycosides, hosenkosides L-O. The structures of all isolates were secured by the use of 2D NMR techniques (1H-1H COSY, HMQC, HMBC, ROESY) and chemical derivatization. Hosenkosides L and M are hosenkol A 3-O-sambubiosyl-28-O-glucoside and 3-O-sambubiosyl-26-O-glucosyl-28-O-glucoside, respectively. Hosenkoside N is hosenkol C 3-O-glucosyl-28-O-glucoside. Hosenkoside O is hosenkol D 3-O-sophorosyl-28-O-glucoside.
