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Jablonkai E.,Budapest University of Technology and Economics | Milen M.,Budapest University of Technology and Economics | Milen M.,Division for Chemical Research | Drahos L.,Hungarian Academy of Sciences | Keglevich G.,Budapest University of Technology and Economics
Tetrahedron Letters | Year: 2013

1-Hydroxy-phospholene 1-oxides (1 and 3) and 1-hydroxy-phospholane oxides (5 and 7) undergo fast and efficient esterification with a series of alcohols, at room temperature, in the presence of 1.1 equiv of propylphosphonic anhydride (T3P®). © 2013 Elsevier Ltd. All rights reserved. Source


Grun A.,Budapest University of Technology and Economics | Milen M.,Division for Chemical Research | Foldesi T.,Budapest University of Technology and Economics | Abranyi-Balogh P.,Budapest University of Technology and Economics | And 2 more authors.
Synthetic Communications | Year: 2013

Twenty-five amides were synthesized in almost quantitative yields by microwaveassisted condensation of arylacetic acids and 2-aryl-ethylamines under solventless conditions. The N-arylethyl-arylacetylamides are intermediates of the corresponding isoquinoline derivates. Supplemental materials are available for this article. Go to the publisher's online edition of Synthetic Communications1 to view the free supplemental file. Copyright © Taylor & Francis Group, LLC. Source


Milen M.,Budapest University of Technology and Economics | Milen M.,Division for Chemical Research | Abranyi-Balogh P.,Budapest University of Technology and Economics | Balogh G.,Budapest University of Technology and Economics | And 2 more authors.
Phosphorus, Sulfur and Silicon and the Related Elements | Year: 2012

N-Heterocycles including indolecarbaldehyde, substituted benzimidazoles, and methylimidazole could be efficiently phosphorylated by diethyl chlorophosphate at room temperature in different solvents using alkali carbonate or triethylamine as the base. However, the phosphorylation of N-heterocycles with a lower reactivity at the NH function, such as carbazole and phenothiazine, could not be conducted to complete conversion under the conditions applied. Copyright © 2012 Taylor and Francis Group, LLC. Source


Milen M.,Budapest University of Technology and Economics | Milen M.,Division for Chemical Research | Abranyi-Balogh P.,Budapest University of Technology and Economics | Dancso A.,Division for Chemical Research | Keglevich G.,Budapest University of Technology and Economics
Synthesis (Germany) | Year: 2012

The reaction of 6,7-dihydrothieno[3,2-c]pyridine derivatives with 1,3-dipoles, such as a nitrile oxides or nitrile imines, gave novel fused heterocycles. The Staudinger reaction of the starting material was also studied. This reaction was stereoselective and exclusively gave racemic cis-cycloadducts in which the thienopyridine core was fused with a β-lactam ring. © Georg Thieme Verlag KG · Stuttgart · New York. Source


Milen M.,Budapest University of Technology and Economics | Milen M.,Division for Chemical Research | Abranyi-Balogh P.,Budapest University of Technology and Economics | Dancso A.,Division for Chemical Research | Keglevich G.,Budapest University of Technology and Economics
Journal of Sulfur Chemistry | Year: 2012

Thioamides are prepared in moderate-to-good yields from the benzylamines or benzylamine derivatives by treatment with elemental sulfur under microwave and solvent-free conditions at 170.C in 15 min. © 2012 Taylor & Francis. Source

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