Phytochemical Studies on Meliaceous Plants. IV: Structure of a New Pregnane Glycoside, Toosendanoside, from Leaves of Melia toosendan SIEB. et Z UCC.

TSUTOMU NAKANISHI; MARI KOBAYASHI; HIROKO MURATA; AKIRA INADA

doi:10.1248/cpb.36.4148

Phytochemical Studies on Meliaceous Plants. IV: Structure of a New Pregnane Glycoside, Toosendanoside, from Leaves of Melia toosendan SIEB. et Z UCC.

TSUTOMU NAKANISHI, MARI KOBAYASHI, HIROKO MURATA, AKIRA INADA

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Keywords: Meliatoosendan, Meliaceae, leaf, pregnane glycoside, polyoxypregnane glucoside, toosendanoside

JOURNAL FREE ACCESS

1988 Volume 36 Issue 10 Pages 4148-4152

DOI https://doi.org/10.1248/cpb.36.4148

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Abstract

A new pregnane glycoside, named toosendanoside (1), has been isolated from leaves of Melia toosendan SIEB. et Zucc.(Meliaceae). The structure of 1 has been assigned as (20R)-5α-pregnane-2α, 3α, 16β, 20-tetrol 2-O-β-D-glucopyranoside, based on lines of chemical and spectral evidence.

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