Synthesis, Characterization and Antimicrobial Activity of Certain Novel Aryl Hydrazone Pyrazoline-5-Ones Containing Thiazole Moiety

Devido à dificuldade no aprendizado de genética e a falta de aplicação da estratégia didática e de estudo do tipo mapa conceitual, esta pesquisa objetivou avaliar o

Como se verifica na Tabela 1, são várias as razões apontadas pelos 34 enfermeiros que consideram que a criança pode ser cuidadora: 27 (79%) justificam a

De forma a testar o tipo de relação existente entre a satisfação e a lealdade do cliente, temos presente um modelo linear (M1) que representa a relação directa entre as

The mixture was extracted with dichloromethane, the combined organic layers were washed with brine, dried over MgSO 4 , filtered and concentrated to yield the pure product..

luteus, the presence of carbohydrates did not contribute to the biological activity, since benzamidines 31 and 32 , devoid of a saccharide moiety, were the most active

Then the mixture was diluted with dichloromethane (20 mL) and the organic phase was washed with distilled water (5 mL) and brine (5 mL), dried over sodium sulfate and finally

The solid obtained after cooling was filtered, washed with cold ethanol and crystallized from acetic acid to give 18 as yellow crystals, yield 80%, mp > 300 ºC.. M.;

The reddish orange solution was poured onto crushed ice and the precipitate so formed was filtered off, washed several times with water, air dried and crystallized from ethanol to