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Allelopathic potential of esters derivative from cinnamic acids

Abstract

The synthesis and structural determination of cinnamates esters derivative let us to obtain some similar products to natural esters isolated from Lafoensia glyptocarpa Koehne, and to evaluate their allelopathic potencial by bioassays of lettuce and tomato seed germination. The substances which promoted more inhibition to seed germination were 3,4-metilenedioxiphenyl hexadecyl acrylate; 3,4-metilenedioxiphenyl hexadecyl propionate; 3,4-metilenedioxi-6-nitrophenyl hexadecyl propionate, and sitosteryl ferulate. The structures were determined by infrared, mass and 1H and 13C NMR spectroscopy.

Key words:
Allelopathy; cinnamates esters; Lafoensia glyptocarpa.

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