STUDIES ON THE CONSTITUENTS OF AQUILARIA SINENSIS (LOUR.) GILG. Ⅰ. ISOLATION AND sTRUCTURE ELUCIDATION OF TWO NEW SESOUITERPENES, BAIMUXINIC ACID AND BAIMUXINAL
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Abstract
Baimuxinic acid and baimuxinal, two new sesquiterpenes, were isolated from Aquilaria sinensis (Lour.) Gilg. through silica gel and alumina column chromatography. Based on spectra, preparation of derivatives and studies of. X-ray diffraction the structures of the two new sesquiterpenes were elucidated as (Ⅰ) and (Ⅱ)respectively. Agarospirol (Ⅲ) was also isolated.
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