Results 11 to 20 of about 26,685 (297)
Molecules, 2022 Through-bond conjugation (TBC) and/or through-space conjugation (TSC) determine the photophysical properties of organic luminescent compounds. No systematic studies have been carried out to understand the transition from aromatic TBC to non-aromatic TSC ...
Peifeng Zhuang +6 more
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Physical and Chemical Methods Used for Determination of Structures of Some Imines Derived from Different Carbonyl Compounds [PDF]
مجلة التربية والعلم, 2018 The project is concerned with the preparation of fifteen imines derived from 2-acetyl pyridine ,3 or 4 –hydroxy benzaldehyde and m-anisaldehyde with aromatic primary amines by standard method . These imines include namely ,hydroxylamine hydrochloride,o,m,
Adel S.P.Azzouz, D. B.T.Bakzo
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Molecules, 2021 Although there exists a variety of different catalysts for hydroboration of organic substrates such as aldehydes, ketones, imines, nitriles etc., recent evidence suggests that tetra-coordinate borohydride species, formed by activation, redistribution, or
Mohammad M. Kamal +3 more
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Grignard Reagent-Catalyzed Hydroboration of Esters, Nitriles, and Imines
Molecules, 2023 The reduction in esters, nitriles, and imines requires harsh conditions (highly reactive reagents, high temperatures, and pressures) or complex metal-ligand catalytic systems. Catalysts comprising earth-abundant and less toxic elements are desirable from
Hyun Ji Han +7 more
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Tautomerism of para-Aminobenzylidene-para-methoxyaniline
IJCER (International Journal of Chemistry Education Research), 2020 : In the early seventies received wide attention when Patai [1] published his book tagged the chemistry of the azomethane group and the aforementioned group is very important in the fields of chemistry, life sciences, chemical and pharmaceutical ...
Asmaa Baker Aldabbagh
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Imine- and Amine-Type Macrocycles Derived from Chiral Diamines and Aromatic Dialdehydes
Molecules, 2022 The condensation of aromatic dialdehydes with chiral diamines, such as 1,2-trans-diaminocyclohexane, leads to various enantiopure or meso-type macrocyclic Schiff bases, including [2 + 2], [3 + 3], [4 + 4], [6 + 6] and [8 + 8] condensation products ...
Jerzy Lisowski
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, 2022 Stereoselective synthesis of (E)-3-arylideneindolin-2-imines from 3-diazoindolin-2-imines and hydrazones was achieved using copper bromide as the catalyst.
Yanguang Wang (1412947) +3 more
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, 2023 Bio-based plastics potentially have several positive impacts on the environment; however, in order to make a real difference, they need to have managed and sustainable end of life.
Nasim Najjarzadeh (8561637) +11 more
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Molecules, 2023 Treatment of the double nuclear complex 1a, di-μ-cloro-bis[N-(4-formylbenzylidene)cyclohexylaminato-C6, N]dipalladium, with Ph2PCH2CH2)2PPh (triphos) and NH4PF6 gave the single nuclear species 2a, 1-N-(cyclohexylamine)-4-N-(formyl)palladium(triphos ...
Basma al Janabi +4 more
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Four Thermochromic o-Hydroxy Schiff Bases of α-Aminodiphenylmethane: Solution and Solid State Study
Crystals, 2017 More than a hundred years after the first studies of the photo- and thermochromism of o-hydroxy Schiff bases (imines), it is still an intriguing topic that fascinates several research groups around the world. The reasons for such behavior are still under
Marija Zbačnik +4 more
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