Results 81 to 90 of about 1,349 (139)
Synthesis and structural characterization of homochiral 2D coordination polymers of zinc and copper with conformationally flexible ditopic imidazolium-based dicarboxylate ligands [PDF]
, 2016 Different novel coordination polymers containing zinc, 1–4, and copper, 5–8, metals, connected via chiral imidazolium-based dicarboxylate ligands, [LR]−, were isolated by reaction between zinc acetate or copper acetate and enantiomerically pure HLR ...
Colodrero, Rosario M.P. +4 more
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Continuous flow synthesis of α-aryl-α-aminophosphonates [PDF]
, 2018 The synthesis of α-aryl-α-aminophosphonates was performed by the three-component KabachnikFields reaction of primary amines, benzaldehyde derivatives and dialkyl phosphites in a continuous flow microwave reactor. The target compounds could be obtained in
Bálint, Erika +5 more
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Molecules, 2010 Asymmetric addition under mild conditions of dialkyl phosphites on aldimines derived from cinnamaldehyde catalyzed by the inexpensive chiral organocatalyst (R)-3,3’-[4-fluorophenyl]2-1,1’-binaphthol phosphate has been found effective to give new α-amino ...
Pinaki S. Bhadury +6 more
doaj +1 more source
Enantioselective synthesis of a-aminophosphonic acid derivatives. [PDF]
, 2019 345 p.Los ácidos -aminofosfónicos y sus derivados son estructuras muy frecuentes en productos con alto interés biológico como fármacos y agroquímicos.Durante las últimas décadas, el elevado interes de la industria en derivados de ácidos -aminofosfónicos ...
Maestro Burzaco, Aitor
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The Kabachnik–Fields Reaction: Mechanism and Synthetic Use
Molecules, 2012 The Kabachnik–Fields (phospha-Mannich) reaction involving the condensation of primary or secondary amines, oxo compounds (aldehydes and ketones) and >P(O)H species, especially dialkyl phosphites, represents a good choice for the synthesis of α ...
György Keglevich, Erika Bálint
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Molecules, 2018 The work reports the facile synthesis of novel α-aminophosphonate derivatives coupled with indole-2,3-dione moieties, namely the diethyl(substituted phenyl/heteroaryl)(2-(2-oxoindolin-3-ylidene)hydrazinyl)methylphosphonates derivatives 4(a–n).
Shailee V. Tiwari +6 more
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Application of the Microwave Technique in Continuous Flow Processing of Organophosphorus Chemical Reactions [PDF]
, 2019 The microwave (MW) technique is an efficient tool in the realization of organic reactions, as well as in the analytical field and in the food industry.
Bálint, Erika +2 more
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The Kabachnik–Fields Reaction: A Key Transformation in Organophosphorus Chemistry
ReactionsThe Kabachnik–Fields (KF) reaction is a versatile three-component method for the condensation of amines, carbonyl compounds, and P–H reagents, enabling efficient synthesis of α-aminophosphonates—key bioactive and functional molecules.
Giovanni Ghigo +2 more
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Molecules, 2015 A series of novel coumarin-containing α-aminophosphonates were synthesized and evaluated for their antitumor activities against Human colorectal (HCT-116), human nasopharyngeal carcinoma (human KB) and human lung adenocarcinoma (MGC-803) cell lines in ...
Ya-Jun Li +4 more
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Beilstein Journal of Organic Chemistry, 2016 Chiral binaphthyl-modified squaramide-catalyzed enantioselective addition of diphenyl phosphonate to ketimines derived from isatins has been achieved. This method affords practical and efficient access to chiral 3-amino-3-phosphonyl-substituted oxindole ...
Hee Seung Jang, Yubin Kim, Dae Young Kim
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