J. Braz. Chem. Soc. vol.20 número8

The scope of Lewis acid-promoted cyclodehydratation reactions between anthranilonitrile and several ketones, to afford tacrine and its derivatives, was expanded to include the use

Cytotoxic Lipidic α -amino Acids from the Zoanthid Protopalythoa variabilis from the Northeastern Coast of Brazil.. Diego Veras Wilke, a Paula Christine Jimenez, a Claudia Pessoa,

The aim of this work was to develop an analytical procedure employing Cd and Pb separation and preconcentration by cloud point methodology for their

In the present work, small molecular weight ethyleneglycols (tetra-, tri-, and diethyleneglycol, as well as ethyleneglycol) were used as models to predict the photo-

Reuse of Candida antarctica B lipase in chemo-enzymatic epoxidation of sunlower oil methyl ester in biphasic system (  ); and with caprylic acid as the acyl

Methylene and aryl o -quinone methides ( o -QMs) generated by Knoevenagel condensation of 2-hydroxy-1,4-naphthoquinone with formaldehyde and arylaldehydes, undergo facile hetero

This work presents a comparative study of the antioxidant activity of extracts from nine plant species belonging to the Brazilian lora - Swartzia langsdorfii , Machaerium villosum ,

The effect of stirring speed on lux and enantioselectivity was investigated under the same conditions as adopted for resolution time, except that