CRao．JY Zhou, WM Chen, Y Lu , QT Zheng, . STRUCTURE IDENTIFICATION OF A NEW COMPIONENT FROM STEMS AND LEAVES OF TAXUS YUNNANENSISJ. Acta Pharmaceutica Sinica, 1994, 29(5): 355-359.
Citation:
CRao．JY Zhou, WM Chen, Y Lu , QT Zheng, . STRUCTURE IDENTIFICATION OF A NEW COMPIONENT FROM STEMS AND LEAVES OF TAXUS YUNNANENSISJ. Acta Pharmaceutica Sinica, 1994, 29(5): 355-359.
CRao．JY Zhou, WM Chen, Y Lu , QT Zheng, . STRUCTURE IDENTIFICATION OF A NEW COMPIONENT FROM STEMS AND LEAVES OF TAXUS YUNNANENSISJ. Acta Pharmaceutica Sinica, 1994, 29(5): 355-359.
Citation:
CRao．JY Zhou, WM Chen, Y Lu , QT Zheng, . STRUCTURE IDENTIFICATION OF A NEW COMPIONENT FROM STEMS AND LEAVES OF TAXUS YUNNANENSISJ. Acta Pharmaceutica Sinica, 1994, 29(5): 355-359.
STRUCTURE IDENTIFICATION OF A NEW COMPIONENT FROM STEMS AND LEAVES OF TAXUS YUNNANENSIS
A new compound ,named taxayuntin, was isolated from the stems and leaves of Taxus yunnanensis Cheng et L.K.Fu. Its structure was deduced by spectroscopic methods(1H and 13CNMR,1H-1H COSY,13C-1H COSY,13C-1H COLOC)and X-ray diffraction, as a tetracyclic taxanewith 5/7/6 membered rings and an oxetane ring fused at positions 4一5.
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