Síntese e atividade fitotóxica de amidas derivadas do ácido 6α,7β-di-hidroxivouacapan-17β-óico*
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Keywords

Diterpeno
Amída
Herbicida

How to Cite

Belinelo, V. J., Piló-Veloso, D., e Borges, E. E. de L., Alves, D. L. F., & Reis, G. T. (2001). Síntese e atividade fitotóxica de amidas derivadas do ácido 6α,7β-di-hidroxivouacapan-17β-óico*. Eclética Química, 26(1), 25–39. https://doi.org/10.26850/1678-4618eqj.v26.1.2001.p25-39

Abstract

O ácido 6a,7b–di-hidroxivouacapan-17b–óico foi isolado das sementes de Pterodon polygalaeflorus Benth (Leguminosae) e então dez novas amidas derivadas deste ácido foram preparadas. Os efeitos destas amidas na germinação de sementes de Sorghum bicolor L. e Cucumis sativus L. foram avaliados. Nove compostos, a uma concentração de 100 ppm, mostraram um efeito inibitório (5-21%) no crescimento radicular de C. sativus L.. A N-(t-butil)-6a,7b-di-hidroxivouacapan-17b-amida mostrou a maior ação inibitória (33%) para S. bicolor L.. Somente a N-benzil-6a,7b-di-hidroxivouacapan-17b-amida mostrou efeito estimulatório no crescimento radicular para C. sativus L. e S. bicolor L., de 16% e 34% respectivamente.

https://doi.org/10.26850/1678-4618eqj.v26.1.2001.p25-39
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