STUDIES ON CHEMICAL CONSTITUENTS OF DENDROBINM CHRYSOTOSXUM LINDL.
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Abstract
Five compounds were isolated from stems of Dendrobium chrysotoxum Lindl..On thebasis of spectral(UV,IR, EI-MS, 1HNMR ,DIFNOE,13CNMR ) analysis ,they were identified asβ-sitosterol(I),2-hydroxy-1,5,6,7-tetramethoxyphenanthrene(II),erianin(III),confusarin(IV)and 3,4,5,3'4'-pentamethoxybibenzyl(V).II is a new compound named chrysotoxene,V isa new natural product named chrysotobibenzyl.
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