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1. (Article ID: 10477)
 
Shinozaki Y, Tobita T, Mizutani M, Matsuzaki T
Isolation and identification of two new diterpene glycosides from Nicotiana tabacum
Bioscience, Biotechnology, and Biochemistry 60 (1996) 903-905
 

Two new diterpene glycosides containing 20-hydroxygeranyllinalool were isolated and identified from Nicotiana tabacum. These compounds consisted of five molecules of glucose and/or rhamnose. The locations of the aglycone and glycosides in the molecules were determined by 2D-NMR with the HMBC technique. The structures were (6E,10E,14Z)-20-hydroxygeranyllinalyl-3-O-[α-L-rhamnopyranosyl(1→4)]-β-D-glucopyranoside-20-O-[β-D-glucopyranosyl(1→2)]-[α-L-rhamnopyranosyl(1→6)]-β-D-glucopyranoside and (6E,10E,14Z)-20-hydroxygeranyllinalyl-3-O-[α-L-rhamnopyranosyl(1→4)]-β-D-glycopyranoside-20-O-[α-L-rhamnopyranosyl(1→4)]-[α-L-rhamnopyranosyl(1→6)]-β-D-glucopyranoside.

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