Results 1 to 10 of about 48,617 (303)
Annellation of Triazole and Tetrazole Systems onto Pyrrolo[2,3-d]pyrimidines: Synthesis of Tetrazolo[1,5-c]-pyrrolo[3,2-e]-pyrimidines and Triazolo[1,5-c]pyrrolo-[3,2-e]pyrimidines as Potential Antibacterial Agents [PDF]
Molecules, 2002 Syntheses of several novel 4-chloropyrrolo[2,3-d]pyrimidines (1), 4-hydrazinopyrrolo[2,3-d]pyrimidines (2) and 3-amino-4-iminopyrrolo[2,3-d]pyrimidines (7) and their use in the synthesis of tetrazolo[1,5-c]pyrrolo[3,2-e]pyrimidines (3) and triazolo[1,5-c]
Shāh Rina D
exaly +4 more sources
CuO/ZnO@N-GQDs@NH2 nanocomposite as superior catalyst for the synthesis of pyrimidine-triones [PDF]
Nanochemistry Research, 2021 CuO / ZnO@N - GQDs@NH2 nanocomposite (copper (II) oxide / zinc oxide @ Nitrogen-doped graphene quantum dots @ aminated) as superior catalyst has been applied for the synthesis of pyrimidine - trions by three-component reactions of N, N ...
Hossein Shahbazi-Alavi +2 more
doaj +1 more source
Pharmaceuticals, 2022 The objective of this review is to list the structures composed of a pyridopyrimidine moiety which have shown a therapeutic interest or have already been approved for use as therapeutics.
Joana F. Campos +2 more
doaj +1 more source
SYNTHESIS, REACTIONS AND ANTITUMOR EVALUATION OF SOME POLYCONDENSED THIAZOLOPYRIMIDINE DERIVATIVES [PDF]
Al-Azhar Journal of Pharmaceutical Sciences, 2012 Some novel thiazolo[3,2-a]pyrimidines, pyrimidino[1',2':3,2]thiazolo[4,5-b] pyridines,pyrimidino[1'',2'':3',2']thiazolo[4',5':2,3]pyrido-[2,3-d]pyrimidines, pyrimidino [1',2':3,2]thiazolo[4,5-d]pyrimidines, pyrimidino[1',2':3,2]thiazolo[4,5-d][1,2,4 ...
Nermin El-Seadawy
doaj +1 more source
Inhibitors of Nucleotide Biosynthesis as Candidates for a Wide Spectrum of Antiviral Chemotherapy
Microorganisms, 2022 Emerging and re-emerging viruses have been a challenge in public health in recent decades. Host-targeted antivirals (HTA) directed at cellular molecules or pathways involved in virus multiplication represent an interesting strategy to combat viruses ...
Claudia Soledad Sepúlveda +2 more
doaj +1 more source
Sonosynthesis of Pyrimidines as Antimicrobial Agents Using Nano-Fe3O4–L-cysteine [PDF]
Nanochemistry Research, 2022 Nano-Fe3O4–L-cysteine as a superior catalyst was applied for the synthesis of pyrimidine-trions by three-component reactions of N,N-dimethylbarbituric acid, benzaldehydes and para-methyl aniline or para-methoxy aniline under ultrasonic irradiation in ...
Hossein Shahbazi-Alavi +1 more
doaj +1 more source
Molecules, 2023 The problem of lung damage originating from excessive inflammation and cytokine release during various types of infections remains relevant and stimulates the search for highly effective and safe drugs.
Alexander Spasov +13 more
doaj +1 more source
Molbank, 2022 This work describes the synthesis and the cytotoxic evaluation of thiophene and thienopyrimidine derivatives. The investigated compound was subjected to target prediction that indicated its high affinity to kinases and to Janus kinase 2 (JAK2 ...
Elshaymaa I. Elmongy, Hanan Ali Henidi
doaj +1 more source
Tikrit Journal of Pure Science, 2023 A facile synthesis of some new 1, 2- thiazine derivatives by the Claisen-Schmidt reaction-induced aldolic condensation of enolizable aromatic ketones with substituted benzaldehydes, and then they were treated with urea and thiourea to obtain the ...
Nabaz Abdulmajeed Mohammad Salih
doaj +1 more source
Proficient synthesis of bioactive annulated pyrimidine derivatives: A review
Journal of Taibah University for Science, 2017 Syntheses of bioactive annulated pyrimidine derivatives are the most significant tasks in N-heterocyclic chemistry because these compounds have proved to be very attractive and useful for the design of new molecular frameworks of potential drugs with ...
Ajmal R. Bhat +4 more
doaj +1 more source