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Turpinionosides A—E: Megastigmane Glucosides from Leaves of Turpinia ternata NAKAI

Yu, Qian ; Otsuka, Hideaki ; Hirata, Eiji ; Shinzato, Takakazu ; Takeda, Yoshio

Chemical and Pharmaceutical Bulletin, 2002, Vol.50(5), pp.640-644 [Periódico revisado por pares]

Tokyo: The Pharmaceutical Society of Japan

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Título:
Turpinionosides A—E: Megastigmane Glucosides from Leaves of Turpinia ternata NAKAI
Autor: Yu, Qian ; Otsuka, Hideaki ; Hirata, Eiji ; Shinzato, Takakazu ; Takeda, Yoshio
Assuntos: Analytical, structural and metabolic biochemistry ; Biological and medical sciences ; Chromatography, Thin Layer ; Fundamental and applied biological sciences. Psychology ; Glucose - chemistry ; Glucosides - chemistry ; Glucosides - isolation & purification ; Hydrolysis ; Magnetic Resonance Spectroscopy ; megastigmane glucoside ; modified Mosher's method ; Other biological molecules ; Plant Leaves - chemistry ; Plants, Medicinal - chemistry ; Spectrometry, Mass, Fast Atom Bombardment ; Spectrophotometry, Ultraviolet ; Staphylaceae ; Terpenes, steroids. Hormones ; Turpinia ternata ; turpinionosides A—E
É parte de: Chemical and Pharmaceutical Bulletin, 2002, Vol.50(5), pp.640-644
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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Descrição: From leaves of Turpenia ternata (Staphylaceae), one megastigmane and seven of its glucosides (1—8) were isolated. Megastigmane and two of the glucosides were found to be known compounds, namely, 3S,5R,6R,9S-tetrahydroxymegastigmane (1), corchoionoside C (2), and icariside B4 (3). The structures of compounds 4—8 (turpinionosides A—E, respectively) were elucidated by means of spectroscopic analyses, and then their absolute structures were determined by the modified Mosher's method to be (3S,5R,6S,9S)-3,6,9-trihydroxymegastigman-7-ene 3-O- and 9-O-β-D-glucopyranosides (4, 5, respectively), (1S,3S,5R,6S,9R)-3,9,12-trihydroxymegastigmane 3-O-β-D-glucopyranoside (6), (3S,4R,9R)-3,4,6-trihydroxymegastigman-5-ene 3-O-β-D-glucopyranoside (7), and (2S,9R)-2,9-dihydroxymegastigman-5-en-4-one 2-O-β-D-glucopyranoside (8).
Editor: Tokyo: The Pharmaceutical Society of Japan
Idioma: Inglês

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Turpinionosides A—E: Megastigmane Glucosides from Leaves of Turpinia ternata NAKAI

Yu, Qian ; Otsuka, Hideaki ; Hirata, Eiji ; Shinzato, Takakazu ; Takeda, Yoshio

Tokyo: The Pharmaceutical Society of Japan

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