Articles with "derivatives presence" as a keyword



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Michael Addition of 1,3-Dicarbonyl Derivatives in the Presence of Zeolite Y as an Heterogeneous Catalyst

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Published in 2019 at "Journal of Inorganic and Organometallic Polymers and Materials"

DOI: 10.1007/s10904-019-01424-5

Abstract: This paper focuses on the preparation and modification of zeolite Y by different methods. The obtained samples were characterized by X-ray diffraction, X-ray fluorescence, nitrogen adsorption–desorption and zeta potential measurements. The obtained catalysts were tested… read more here.

Keywords: addition; derivatives presence; michael addition; addition dicarbonyl ... See more keywords
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Synthesis of benzimidazoles from o-phenylenediamines and DMF derivatives in the presence of PhSiH3

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Published in 2017 at "Tetrahedron"

DOI: 10.1016/j.tet.2017.05.018

Abstract: Abstract A simple approach to preparation of benzimidazoles from o-phenylenediamines and DMF derivatives, only employing PhSiH3 as promoter without any other additives, was reported. This route provided moderate to high yields with a broad substrate… read more here.

Keywords: benzimidazoles phenylenediamines; phenylenediamines dmf; derivatives presence; phsih3 ... See more keywords