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Monoterpenes and sesquiterpenes from Clausena excavata / 中国中药杂志
China Journal of Chinese Materia Medica ; (24): 1620-1624, 2014.
Artículo en Chino | WPRIM | ID: wpr-300218
ABSTRACT
To investigate monoterpenes and sesquiterpenes of the stems and leaves of Clausena excavata, an AcOEt fraction of the methanol extract was subjected on column chromatographies including silica gel and RP-18, as well as preparative HPLC. The structures of compounds isolated were identified on the basis of spectroscopic data as excamonoterpene (1), (6R, 9S)-9, 10-dihydroxy-4-megastigmen-3-one (2), (3R, 6R, 7E) -3-hydroxy-4, 7-megastigmadien-9-one (3), (3S) -3-hydroxy-7, 8-dihydro-beta-ionone (4), (3S, 5R, 6S) -3-hydroxy-5,6-epoxy-beta-ionone (5), (6R, 9R) -9-hydroxy-4-megastigmen-3-one (6), (3S, SR) -dihydroxy-6, 7-megstigmadien-9-one(7), (-)-loliolide(8), caryolane-1, 9alpha-diol(9) and 2, 6-dihydroxyhumula-3 (12), 7 (13), 9(E)-triene (10), were isolated from the stems and leaves of C. excavata. Compound 1 is a new monoterpene, named as excamonoterpene. Compounds 2-10 were isolated from this plant for the first time.
Asunto(s)
Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Sesquiterpenos / Espectroscopía de Resonancia Magnética / Estructura Molecular / Química / Cromatografía Líquida de Alta Presión / Tallos de la Planta / Hojas de la Planta / Espectrometría de Masa por Ionización de Electrospray / Monoterpenos / Metanol Idioma: Chino Revista: China Journal of Chinese Materia Medica Año: 2014 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Sesquiterpenos / Espectroscopía de Resonancia Magnética / Estructura Molecular / Química / Cromatografía Líquida de Alta Presión / Tallos de la Planta / Hojas de la Planta / Espectrometría de Masa por Ionización de Electrospray / Monoterpenos / Metanol Idioma: Chino Revista: China Journal of Chinese Materia Medica Año: 2014 Tipo del documento: Artículo