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New phenylethanoid glycosides from Bacopa monniera
Ajit Kumar Chakravarty1, Tapas Sarkar, Takahisa Nakane
1Indian Institute of Chemical Biology, Calcutta, India.
Chemical & Pharmaceutical Bulletin
|December 25, 2002
Abstract:
Three new phenylethanoid glycosides, viz. monnierasides I-III (1-3) along with the known analogue plantainoside B were isolated from the glycosidic fraction of Bacopa monniera. Their structures were elucidated mainly on the basis of two dimensional (2D) NMR spectral analyses.