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Four cyclopeptide alkaloids from Discaria longispina
E C Machado1, A Alvarez Filho, A F Morel
1Departamento de Quimica, Universidade Federal de Santa Maria, RS, Brazil.
Journal of Natural Products
|April 1, 1995
Abstract:
The isolation of the cyclopeptide alkaloids, adoutine-Y', discarine-B, discarine-E, and discarine-X, a new 14-membered cyclopeptide alkaloid from D. longispina, are reported. The structure of the new alkaloid was elucidated by spectroscopic methods and by chemical degradation.