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vol.47 issue4ESTEROLES, ÁCIDOS GRASOS E HIDROCARBUROS DE LOS CUERPOS FRUCTÍFEROS DE GANODERMA AUSTRALESynthesis and Characterization of Chitosan-PHB Blends author indexsubject indexarticles search
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Boletín de la Sociedad Chilena de Química

Print version ISSN 0366-1644


ESPINOZA C, LUIS  and  CORTES M, MANUEL. SINTESIS Y ACTIVIDAD BIOLOGICA DE ANALOGOS DE BRASINOESTEROIDES. Bol. Soc. Chil. Quím. [online]. 2002, vol.47, n.4, pp.511-516. ISSN 0366-1644.

From deoxycholic acid 6 two new brassinosteroids analogs bearing oxygenated fuctions in ring C, side chain and cis A/B ring juntion were synthesized. The plant growth-promoting activites of compound 4a and 5 was tested by the hypocotiles elongation and cothyledons expansion of radish bioassay. The compounds 4a showed growth promoting activity at 10-5 mg/mL concentration in both bioassay, while that the compound 5 showed inhibiter effect in the cothyledons expansion test at the same concentration.

Keywords : Synthesis; Brassinosteroids; Phytohormones; Hypocotiles; Cothyledons.

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