
Tetrahedron p. 697 - 702 (1993)
Update date:2022-09-26
Topics:
Gonzalez
Jimenez
Ravelo
Sazatornil
Bazzocchi
Five new sesquiterpenes with a dihydro-β-agarofuran skeleton were isolated from Maytenus canariensis (Celastraceae) and identified. Their structures and absolute configurations were determined by means of chemical correlations, 1H and 13C NMR studies, bidimensional 1H-1H and 1H-13C correlations, NOE experiments, selective INEPT, and CD studies. The new sesquiterpenes were assayed against Spodoptera littoralis in an election test and exhibited insect antifeedant activity.
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