Results 11 to 20 of about 48,617 (303)
Selective Covalent Targeting of Mutated EGFR(T790M) with Chlorofluoroacetamide-Pyrimidines [PDF]
Covalent modification of disease-associated proteins with small molecules is a powerful approach for achieving an increased and sustained pharmacological effect.
Naoya Matsunaga (8697018) +14 more
core +9 more sources
Ruthenium(II)-Catalyzed Positional Selective C–H Oxygenation of N‑Aryl-2-pyrimidines [PDF]
Efficient Ru-catalyzed regioselective C–H oxygenation of N-aryl-2-pyrimidines is described with aryl carboxylic acids in the presence of AgSbF6 as an additive and Ag2CO3 as an oxidant.
Tharmalingam Punniyamurthy (1490761) +2 more
core +3 more sources
Unusual nucleophilic addition of Grignard reagents in the synthesis of 4-amino-pyrimidines [PDF]
Pyrimidines have always received considerable attention because of their importance in synthesis and elucidation of biochemical roles, in particular that of vitamin B1.
David L. Hughes (628280) +7 more
core +1 more source
Structure based design and synthesis of antiparasitic pyrrolopyrimidines targeting pteridine reductase 1 [PDF]
The treatment of Human African Trypanosomiasis remains a major unmet health need in sub-Saharan Africa. Approaches involving new molecular targets are important and pteridine reductase 1 (PTR1), an enzyme that reduces dihydrobiopterin in Trypanosoma spp.
Kirsten Stewart +26 more
core +1 more source
Aim. To evaluate the effect of 5-hydroxymethyluracil on the dynamics of angiogenic growth factors in the perioperative period of surgical myocardial revascularization.Material and methods.
B. A. Oleynik +4 more
doaj +1 more source
Pyrazolo pyrimidines are fused heterocyclic ring systems which known as bioisosteres of adenine, that are necessary for every aspect of cell life. Pyrazolo[1,5-a]pyrimidines derivatives have been explored for their inhibitory activity towards a variety ...
Nasser S.M. Ismail +3 more
doaj +1 more source
Synthesis of pyrimidines by Fe3O4@SiO2-L-proline nanoparticles
Fe3O4@SiO2-L-proline nanoparticles have been used as an effective catalyst for the preparation of pyrimidines by three-component reactions of 1,3-dimethylbarbituric acid, aromatic aldehydes and 4-methyl aniline or 4-methoxy aniline under reflux condition
Safaei-Ghomi Javad, Samadi Zahra
doaj +1 more source
Some new pyrimidine derivatives comprising arylsulfonylhydrazino, ethoxycarbonylhydrazino, thiocarbamoylhydrazino and substituted hydrazone and thiosemicarbazide functionalities were prepared from Biginelli-derived pyrimidine precursors.
Ahmed M. Farghaly +6 more
doaj +1 more source
Nuclear factor kappa B (NF–κB) is a potential therapeutic target in breast cancer. In the current study, a new class of oxazine– and piperazine–linked pyrimidines was developed as inhibitors of NF–κB, overcoming the complexity of the oxazine structure ...
Akshay Ravish +10 more
doaj +1 more source
Preparation and Diagnosis of Pyrimidines Derivatives by Conventional And Microwave Ways. [PDF]
This work includes synthesis and characterization of new derivatives of pyrimidine (R. or Ar. -1, 2, 3, 4-tetrahydropyrimidin-5-yl) ethan-1-one), via the reaction of acetyl acetone with different aldehydes and guanidine hydrochloride.
Waleed F. AL-Hiti +2 more
doaj +1 more source

