Zobrazeno 1 - 10
of 55
pro vyhledávání: '"Stefania-Felicia Barbuceanu"'
Autor:
Beatrice-Cristina Ivan, Stefania-Felicia Barbuceanu, Camelia Mia Hotnog, Octavian Tudorel Olaru, Adriana Iuliana Anghel, Robert Viorel Ancuceanu, Mirela Antonela Mihaila, Lorelei Irina Brasoveanu, Sergiu Shova, Constantin Draghici, George Mihai Nitulescu, Florea Dumitrascu
Publikováno v:
International Journal of Molecular Sciences, Vol 24, Iss 14, p 11642 (2023)
New pyrrolo[1,2-b]pyridazines were synthesized by 3 + 2 cycloaddition reaction between mesoionic oxazolo-pyridazinones and methyl/ethyl propiolate. The mesoionic compounds were generated in situ by action of acetic anhydride on 3(2H)pyridazinone acid
Externí odkaz:
https://doaj.org/article/903f865ddbfc4a70a072623a49299cd5
Autor:
Stefania-Felicia Barbuceanu, Elena-Valentina Rosca, Theodora-Venera Apostol, Laura-Ileana Socea, Constantin Draghici, Ileana Cornelia Farcasanu, Lavinia Liliana Ruta, George Mihai Nitulescu, Lucian Iscrulescu, Elena-Mihaela Pahontu, Rica Boscencu, Gabriel Saramet, Octavian Tudorel Olaru
Publikováno v:
Molecules, Vol 28, Iss 12, p 4834 (2023)
This paper describes the synthesis of new heterocycles from oxazol-5(4H)-one and 1,2,4-triazin-6(5H)-one classes containing a phenyl-/4-bromophenylsulfonylphenyl moiety. The oxazol-5(4H)-ones were obtained via condensation of 2-(4-(4-X-phenylsulfonyl
Externí odkaz:
https://doaj.org/article/0be584c350ec4cf4a22c61a4487cfd55
Autor:
Laura-Ileana Socea, Stefania-Felicia Barbuceanu, Elena Mihaela Pahontu, Alexandru-Claudiu Dumitru, George Mihai Nitulescu, Roxana Corina Sfetea, Theodora-Venera Apostol
Publikováno v:
Molecules, Vol 27, Iss 24, p 8719 (2022)
Due to the structure of acylhydrazones both by the pharmacophore –CO–NH–N= group and by the different substituents present in the molecules of compounds of this class, various pharmacological activities were reported, including antitumor, antim
Externí odkaz:
https://doaj.org/article/54902d67c9564c1e9107edb8a2eb9b38
Autor:
Beatrice-Cristina Ivan, Stefania-Felicia Barbuceanu, Camelia Mia Hotnog, Adriana Iuliana Anghel, Robert Viorel Ancuceanu, Mirela Antonela Mihaila, Lorelei Irina Brasoveanu, Sergiu Shova, Constantin Draghici, Octavian Tudorel Olaru, George Mihai Nitulescu, Mihaela Dinu, Florea Dumitrascu
Publikováno v:
International Journal of Molecular Sciences, Vol 23, Iss 16, p 8854 (2022)
The current study describes the synthesis, physicochemical characterization and cytotoxicity evaluation of a new series of pyrrole derivatives in order to identify new bioactive molecules. The new pyrroles were obtained by reaction of benzimidazolium
Externí odkaz:
https://doaj.org/article/b4c7eefe21aa4346b7ef797c10f8a90c
Autor:
Theodora-Venera Apostol, Mariana Carmen Chifiriuc, George Mihai Nitulescu, Octavian Tudorel Olaru, Stefania-Felicia Barbuceanu, Laura-Ileana Socea, Elena Mihaela Pahontu, Crina Maria Karmezan, Luminita Gabriela Marutescu
Publikováno v:
Applied Sciences, Vol 12, Iss 11, p 5571 (2022)
In this paper, we report on the antimicrobial activity assessment of 49 compounds previously synthesized as derivatives of alanine or phenylalanine that incorporate a 4-(4-X-phenylsulfonyl)phenyl fragment (X = H, Cl, or Br), namely 21 acyclic compoun
Externí odkaz:
https://doaj.org/article/67bc4d3af6df4d019fc27a5c1022530a
Autor:
Beatrice-Cristina Ivan, Florea Dumitrascu, Adriana Iuliana Anghel, Robert Viorel Ancuceanu, Sergiu Shova, Denisa Dumitrescu, Constantin Draghici, Octavian Tudorel Olaru, George Mihai Nitulescu, Mihaela Dinu, Stefania-Felicia Barbuceanu
Publikováno v:
Molecules, Vol 26, Iss 21, p 6435 (2021)
A series of new pyrrole derivatives were designed as chemical analogs of the 1,4-dihydropyridines drugs in order to develop future new calcium channel blockers. The new tri- and tetra-substituted N-arylpyrroles were synthesized by the one-pot reactio
Externí odkaz:
https://doaj.org/article/50ba9b3b4d214fd69a0031ea6801b023
Autor:
Theodora-Venera Apostol, Luminita Gabriela Marutescu, Constantin Draghici, Laura-Ileana Socea, Octavian Tudorel Olaru, George Mihai Nitulescu, Elena Mihaela Pahontu, Gabriel Saramet, Cristian Enache-Preoteasa, Stefania-Felicia Barbuceanu
Publikováno v:
Molecules, Vol 26, Iss 16, p 5019 (2021)
In order to develop novel bioactive substances with potent activities, some new valine-derived compounds incorporating a 4-(phenylsulfonyl)phenyl fragment, namely, acyclic precursors from N-acyl-α-amino acids and N-acyl-α-amino ketones classes, and
Externí odkaz:
https://doaj.org/article/556acd3dcf9e45609218f93f2efd7857
Autor:
Theodora-Venera Apostol, Mariana Carmen Chifiriuc, Constantin Draghici, Laura-Ileana Socea, Luminita Gabriela Marutescu, Octavian Tudorel Olaru, George Mihai Nitulescu, Elena Mihaela Pahontu, Gabriel Saramet, Stefania-Felicia Barbuceanu
Publikováno v:
Molecules, Vol 26, Iss 16, p 5107 (2021)
The multi-step synthesis, physico-chemical characterization, and biological activity of novel valine-derived compounds, i.e., N-acyl-α-amino acids, 1,3-oxazol-5(4H)-ones, N-acyl-α-amino ketones, and 1,3-oxazoles derivatives, bearing a 4-[(4-chlorop
Externí odkaz:
https://doaj.org/article/368255841169486093799b60b9c1c2bb
Autor:
Gabriel Predoi, Carmen Steluta Ciobanu, Simona Liliana Iconaru, Daniela Predoi, Dragana Biliana Dreghici, Andreea Groza, Florica Barbuceanu, Carmen Cimpeanu, Monica-Luminita Badea, Stefania-Felicia Barbuceanu, Ciprian Florin Furnaris, Cristian Belu, Liliana Ghegoiu, Mariana Stefania Raita
Publikováno v:
Polymers, Vol 13, Iss 14, p 2351 (2021)
In the present study, we report the synthesis of a dextran coated iron oxide nanoparticles (DIO-NPs) thin layer on glass substrate by an adapted method. The surface morphology of the obtained samples was analyzed by Scanning Electron Microscopy (SEM)
Externí odkaz:
https://doaj.org/article/6c392e539c3343fbbb76c0b7b1bf9847
Autor:
Stefania-Felicia Barbuceanu, Diana Carolina Ilies, Gabriel Saramet, Valentina Uivarosi, Constantin Draghici, Valeria Radulescu
Publikováno v:
International Journal of Molecular Sciences, Vol 15, Iss 6, Pp 10908-10925 (2014)
In the present investigation, new hydrazinecarbothioamides 4–6 were synthesized by reaction of 4-(4-X-phenylsulfonyl)benzoic acids hydrazides (X= H, Cl, Br) 1–3 with 2,4-difluorophenyl isothiocyanate and further these were treated with sodium hyd
Externí odkaz:
https://doaj.org/article/12acbc0276364b5c8caaa8d4cf69674d