Zobrazeno 1 - 10
of 185
pro vyhledávání: '"Mátyás Czugler"'
Autor:
Zsuzsanna Szalai, Boldizsár Tóth, Rita Oláhné Szabó, Szilvia Bősze, Konstantin Karaghiosoff, Mátyás Czugler, László Drahos, György Keglevich
Publikováno v:
Molecules, Vol 28, Iss 16, p 6037 (2023)
New hydroxy-methylenebisphosphonic derivatives were prepared with different P-functions. The outcome of the reaction of α-oxophosphonates (YC(O)P(O)(OR)2) and dialkyl phosphites or diarylphosphine oxides depended on the Y substituent of the oxo-comp
Externí odkaz:
https://doaj.org/article/8dda46a9fa134f3399b99aa01e1966b8
Autor:
Erika Bálint, Ádám Tajti, Anna Ádám, István Csontos, Konstantin Karaghiosoff, Mátyás Czugler, Péter Ábrányi-Balogh, György Keglevich
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 13, Iss 1, Pp 76-86 (2017)
A family of α-aryl-α-aminophosphonates and α-aryl-α-aminophosphine oxides was synthesized by the microwave-assisted solvent-free addition of dialkyl phosphites and diphenylphosphine oxide, respectively, to imines formed from benzaldehyde derivati
Externí odkaz:
https://doaj.org/article/0eb03ff84c6f4a58b50468732c78f243
Publikováno v:
Symmetry, Vol 12, Iss 5, p 758 (2020)
Two dimethyl α-hydroxy-arylmethylphosphonates (aryl = Ph and 2-MeOPh) were subjected to optical resolution via diastereomer complex formation applying the acidic calcium salt of O,O′-dibenzoyl-(2R,3R)-tartaric acid as the resolving agent. The domi
Externí odkaz:
https://doaj.org/article/49dd93de045b4ff5a350b165d9c9bdf2
Autor:
Ádám Tajti, György Keglevich, Harry R. Hudson, Konstantin Karaghiosoff, Mátyás Czugler, Erika Bálint
Publikováno v:
Synthetic Communications. 50:1446-1455
A series of N-benzhydryl protected α-aminophosphonates with α-phenyl, α-(1-naphtyl), α-(9-anthryl) or α-(1-pyrenyl) substituents was synthesized by the Kabachnik–Fields condensation of diphenylmethylamine (benzhydrylamine), the corresponding a
Publikováno v:
In Thermochimica Acta 2009 490(1):51-59
Autor:
Konstantin Karaghiosoff, Dorottya Kalocsai, Ádám Tajti, Erika Bálint, György Keglevich, Mátyás Czugler, Béla Mátravölgyi
Publikováno v:
Tetrahedron. 73:5659-5667
(S)-α-Phenylethylamine was used in the microwave-assisted Kabachnik-Fields condensation with paraformaldehyde and >P(O)H species, such as dialkyl phosphites, ethyl phenyl-H-phosphinate and diphenylphosphine oxide to provide optically active α-amino
Autor:
Anna Barbara Adam, György Keglevich, Péter Ábrányi-Balogh, Konstantin Karaghiosoff, Mátyás Czugler, Erika Bálint, Ádám Tajti, István Csontos
Publikováno v:
Beilstein Journal of Organic Chemistry
Beilstein Journal of Organic Chemistry, Vol 13, Iss 1, Pp 76-86 (2017)
Beilstein Journal of Organic Chemistry, Vol 13, Iss 1, Pp 76-86 (2017)
A family of α-aryl-α-aminophosphonates and α-aryl-α-aminophosphine oxides was synthesized by the microwave-assisted solvent-free addition of dialkyl phosphites and diphenylphosphine oxide, respectively, to imines formed from benzaldehyde derivati
Publikováno v:
Acta crystallographica. Section C, Structural chemistry. 75(Pt 3)
The crystal structures of seven α-aryl-α-hydroxyphosphonates synthesized by the Pudovik reaction of substituted benzaldehydes and dialkyl phosphites, namely dimethyl [(hydroxy)(phenyl)methyl]phosphonate, C9H13O4P, dimethyl [(3,4-dimethoxyphenyl)(hy
Autor:
Miklós Kubinyi, Tibor Szilvási, Konstantin Karaghiosoff, Katalin E. Kövér, Dóra Hessz, György Keglevich, Mihály Kállay, László Kollár, István Timári, László Drahos, Elemér Fogassy, Péter Bagi, Péter Pongrácz, Mátyás Czugler
Publikováno v:
Heteroatom Chemistry. 27:91-101
An efficient resolution method was elaborated for the preparation of (+)-4-chloro-5-methyl-1-phenyl-1,2,3,6-tetrahydrophosphinine oxide using the acidic Ca2+ salt of (-)-O,O-di-p-toluoyl-(2R,3R)-tartaric acid. Crystal structure of the diastereomeric
Autor:
Erika Bálint, Anna Tripolszky, Zoltán Mucsi, László Kollár, Péter Pongrácz, Erzsébet Jablonkai, Mátyás Czugler, Konstantin Karaghiosoff, György Keglevich
Publikováno v:
Journal of Organometallic Chemistry. 801:111-121
The Kabachnik-Fields condensation was extended using secondary phosphine oxides, such as dibenzylphosphine oxide and bis(4-methylphenyl) phosphine oxide as the P-reactant in reaction with formaldehyde and different primary amines. Besides the alpha-a