نتایج جستجو برای: syntheses
تعداد نتایج: 11788 فیلتر نتایج به سال:
as benzimidazole ring is an important pharmacophore in modern drug discovery and benzimidazoles are very important intermediates in organic reactions, the preparation of benzimidazoles has gained considerable attention in recent years. here, a comparative study on the synthesis of benzimidazoles from aromatic, aliphatic and heterocyclic carboxylic acid, benzonitrile and o-phenylenediamine under...
for several recent years, syntheses of spherical zeolitic materials, such as S-1, ZSM-5 and Beta, have been reported using an anion exchange resin as macro-templates. Conceptually, these syntheses are based on the use of a colloidal crystal templating process. The advantage of this method is preparation of pure self-bonded zeolite micro/macrostructures. In this paper the synthesis of TS-1 is...
Background The need for competence training and development in health management and leadership workforces has been emphasised. However, evidence of the outcomes and impact of such training and development has not been systematically assessed. The aim of this review is to synthesise the available evidence of the outcomes and impact of training and development in relation to the competence of he...
A summary of inclusion and co-teaching syntheses was conducted to better understand the evidence base associated with collaborative models of instruction. Six syntheses were identified: four investigated inclusion, and two investigated co-teaching. Collectively, the syntheses represented 146 studies. The syntheses investigated research on collaborative models; student outcomes; teachers’ attitu...
An efficient and convenient protocol for synthesis of 3-hydroxy-3-indolyl-2-oxindoles and 3,3-diindolyl-2-oxindoles is presented here. The syntheses were achieved selectively under catalysis of LiClO4 whereby the products were obtained purely.
The syntheses of the title compounds are described. 1- [[2- Amino -1 - (hydroxymethyl) ethoxy] methyl] uracil exhibitslittleactivity against herpesviruses (HSV) in vivo
The extent to which differential gene expressions can be correlated with organ development was examined at the level of protein synthesis during preand postnatal development in the mouse. High resolution, equilibrium, two-dimensional polyacrylamide gel electrophoresis detected, for each of five to ten successive stages for each of seven organ systems, between 850 and 1000 separate newly synthes...
The extent to which differential gene expressions can be correlated with organ development was examined at the level of protein synthesis during pre- and postnatal development in the mouse. High resolution, equilibrium, two-dimensional polyacrylamide gel electrophoresis detected, for each of five to ten successive stages for each of seven organ systems, between 850 and 1000 separate newly synth...
In the past two decades, a new form of scholarship has appeared in which researchers present an overview of previously conducted research syntheses on the same topic. In these efforts, research syntheses are the principal units of evidence. Overviews of reviews introduce unique problems that require unique solutions. This article describes what methods overviewers have developed or have adopted...
an efficient and convenient protocol for synthesis of 3-hydroxy-3-indolyl-2-oxindoles and 3,3-diindolyl-2-oxindoles is presented here. the syntheses were achieved selectively under catalysis of liclo4 whereby the products were obtained purely.
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