نتایج جستجو برای: 4 d pyrimidine

تعداد نتایج: 1764910  

There has been special interest in the chemistry of quinolone and pyrimidine derivatives due to their diverse biological activities such as anticonvulsant, anti-malarial agents, antibacterial, antiviral, cytostatic, antithelemintic, antigenotoxic, anti-cancer agents. These compounds are also used as targeting delayed-type hypersensivity and anti-convulsant agents. As a part of our research work...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2000
P P Sanna F Berton M Cammalleri M K Tallent G R Siggins F E Bloom W Francesconi

Members of the Src family of nonreceptor protein tyrosine kinases (PTKs) have been implicated in the regulation of cellular excitability and synaptic plasticity. We have investigated the role of these PTKs in in vitro models of epileptiform activity. Spontaneous epileptiform discharges were induced in vitro in the CA3 region of rat hippocampal slices by superfusion with the potassium channel bl...

2009
Daniel Richter John C. Kath Arnold L. Rheingold Antonio DiPasquale Alex Yanovsky

The title compound, C(12)H(13)ClN(6), was prepared by reaction of 4,5-dichloro-7H-pyrrolo[2,3-d]pyrimidine with 2-(1H-imid-azol-4-yl)-N-methyl-ethanamine, and the X-ray study confirmed that chloro-substituent in six-membered ring was replaced in the reaction. The exocyclic N atom environment is approximately coplanar with the pyrrolo[2,3-d]pyrimidine [corresponding dihedral angle is 5.5 (1)°], ...

Journal: :Cancer research 1979
A R Paterson J H Paran S Yang T P Lynch

In the presence of nitrobenzylthioinosine (NBMPR) a potent inhibitor of nucleoside transport, Roswell Park Memorial Institute 6410 cells proliferating in culture were protected from otherwise inhibitory concentrations of 9-beta-D-ribofuranosylpurine (nebularine); cellular uptake of nebularine was greatly reduced under these circumstances. Initial rates of nebularine uptake by Roswell Park Memor...

In this research, the interaction of pyrimidine molecule with pristine B12N12 nanocluster is studied in different phases to understand the effect of environment on the electronic properties of the designated adsorption complexes. To this end, the pyrimidine adsorption over B12N12 in the gas phase and water medium is investigated using density functional theory (DFT) at the B97D/6-31+G(d,p) leve...

Journal: :Acta Crystallographica Section A Foundations of Crystallography 1993

Journal: :Acta Crystallographica Section E Crystallographic Communications 2015

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