Methyl chanofruticosinates from leaves of Kopsia arborea
1993
Kam, T.S. | Tan, P.S. | Hoong, P.Y. | Chuah, C.H.
Four indole alkaloids all possessing the rare methyl chanofruticosinate skeletal system have been isolated from the leaves of Kopsia arborea, viz. methyl 11,12-methylenedioxychanofruticosinate, methyl N1-decarbomethoxychanofruticosinate, methyl 11,12-methylenedioxy-N1-decarbomethoxychanofruticosinate and methyl 11,12-methylenedioxy-N1-decarbomethoxy-delta(14,15)-chanofr uticosinate. The last two are new alkaloids.
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