Zobrazeno 1 - 10
of 32
pro vyhledávání: '"Denisa Dumitrescu"'
Autor:
Mihaela Cristea, Mihai Răducă, Sergiu Shova, Constantin Drăghici, Vlad A. Neacșu, Maria Maganu, Loredana Albotă (Barbu), Denisa Dumitrescu, Florea Dumitrascu
Publikováno v:
Crystals, Vol 14, Iss 1, p 67 (2024)
Novel 9-cyano-pyrrolo[1,2-a][1,10]phenanthrolines 6a–d were obtained by an efficient one-pot regioselective reaction between 1,10-phenanthrolinium bromides 2a–d and acrylonitrile as a dipolarophile, in the presence of triethylamine and tetrakis-p
Externí odkaz:
https://doaj.org/article/41d781c50c084f2fb4b37095a722e940
Autor:
Florea Dumitrascu, Ana-Maria Udrea, Mino R. Caira, Diana Camelia Nuta, Carmen Limban, Mariana Carmen Chifiriuc, Marcela Popa, Coralia Bleotu, Anamaria Hanganu, Denisa Dumitrescu, Speranta Avram
Publikováno v:
Molecules, Vol 27, Iss 9, p 2722 (2022)
The efficient regioselective bromination and iodination of the nonsteroidal anti-inflammatory drug (NSAID) carprofen were achieved by using bromine and iodine monochloride in glacial acetic acid. The novel halogenated carprofen derivatives were funct
Externí odkaz:
https://doaj.org/article/31fdcf1de70c4368a64209d3239048a9
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
Publikováno v:
Molecules, Vol 26, Iss 12, p 3693 (2021)
3-Arylsydnones bearing fluorine and bromine atoms on the benzene ring were synthesized from N-nitroso-2-fluorophenylglycines and characterized by NMR spectroscopy. These were employed further in synthesis of the corresponding 1-(2-fluorophenyl)pyrazo
Externí odkaz:
https://doaj.org/article/7f3850ab88434b858ac4c9a7e00bb1da
Autor:
Denisa Dumitrescu, Sergiu Shova, Isabela C. Man, Mino R. Caira, Marcel Mirel Popa, Florea Dumitrascu
Publikováno v:
Crystals, Vol 10, Iss 12, p 1149 (2020)
5-Iodo-1-arylpyrazoles are interesting templates for investigating the halogen bond propensity in small molecules other than the already well-known halogenated molecules such as tetrafluorodiiodobenzene. Herein, we present six compounds with differen
Externí odkaz:
https://doaj.org/article/c8c282c1f32b4b298ecdb82147cf157f
Autor:
Marcel Mirel Popa, Denisa Dumitrescu, Emilian Georgescu, Florentina Georgescu, Florea Dumitrascu
Publikováno v:
Molecules, Vol 18, Iss 3, Pp 2635-2645 (2013)
Pyrrolo[2,1-a]isoquinoline derivatives were synthesized by one-pot three-component reactions starting from isoquinoline, 2-bromoacetophenones and different non-symmetrical acetylenic dipolarophiles using 1,2-epoxypropane as solvent. The structure of
Externí odkaz:
https://doaj.org/article/9a4135bb05244eadb9879dc124ab6078
Publikováno v:
Molecules, Vol 10, Iss 2, Pp 360-366 (2005)
The synthesis, characterization and X-ray crystal structure of 2-(4-chloro-phenyl)-7-methylpyrrolo[1,2-b]pyridazine are reported. The compound crystallizes in thespace group P21/c (No.14) with a =3.8568(1), b = 11.0690(3), c = 26.4243(7) Ã¥, Ã
Externí odkaz:
https://doaj.org/article/2c4a0e3dadb144f487cfbb419db1b9b4
Autor:
Florea Dumitrascu, Carmen Irena Mitan, Denisa Dumitrescu, Constantin Draghici, Miron Teodor Caproiu
Publikováno v:
ARKIVOC, Vol 2002, Iss 2, Pp 80-86 (2002)
Externí odkaz:
https://doaj.org/article/512b51cc734645caaa8ed242cae4b918
Autor:
Carlo Siciliano, Felicia Suciu, Sonia Trombino, Debora Procopio, Maria Luisa Di Gioia, Denisa Dumitrescu
Publikováno v:
Organicbiomolecular chemistry. 20(6)
The formation of the amide bond is among the most commonly performed transformations in the pharmaceutical industry and the wider chemical industry. The current methods for its installation in organic compounds frequently rely on the use of large amo
Autor:
Robert Ancuceanu, Octavian Tudorel Olaru, Denisa Dumitrescu, Adriana Iuliana Anghel, Beatrice-Cristina Ivan, Mihaela Dinu, Constantin Draghici, Florea Dumitrascu, Sergiu Shova, George Mihai Nitulescu, Stefania-Felicia Barbuceanu
Publikováno v:
Molecules
Molecules, Vol 26, Iss 6435, p 6435 (2021)
Volume 26
Issue 21
Molecules, Vol 26, Iss 6435, p 6435 (2021)
Volume 26
Issue 21
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