Results 1 to 10 of about 153,260 (279)

Pyrimidine Biosynthesis and Ribonucleoside Metabolism in Species of Pseudomonas

Fermentation, 2023
Pyrimidine biosynthesis and ribonucleoside metabolism in species of Pseudomonas was the focus of this review, in relation to their current taxonomic assignments in different homology groups.
Thomas P. West
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3-(1-Cyclohexyl-2-(cyclohexylamino)-4-(4-ethoxyphenyl)-6-oxo-1,6-dihydropyrimidin-5-yl)-1-methylquinoxalin-2(1H)-one

Molbank, 2022
The reaction of 3-cyclohexyl-2-(cyclohexylimino)-6-(4-ethoxyphenyl)-5-(4-methyl-3-oxo-3,4-dihydroquinoxalin-2-yl)-2,3-dihydro-4H-1,3-oxazin-4-one with ammonium acetate afforded 3-(1-cyclohexyl-2-(cyclohexylamino)-4-(4-ethoxyphenyl)-6-oxo-1,6 ...
Ekaterina E. Khramtsova, Svetlana O. Kasatkina, Maksim V. Dmitriev, Andrey N. Maslivets   +3 more
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Design, synthesis and antitumor activity of coumarin, isoxazole, pyrazole, pyridine and pyrimidine compounds: 3β-hydroxypregn-5-ene-20-one derivatives [PDF]

Acta Poloniae Pharmaceutica, 2023
In continuation of our reserach for synthesizing heterocyclic derivatives with a broad range of biological activities, the current research was performed to synthesize 3β-hydroxypregn-5-ene-20-one derivatives of coumarin, isoxazole, pyrazole, pyridine ...
Karam A. El-Sharkawy, Hassan A. Alhazmi, Asim Najmi, Mohammed AlBratty, Asaad Khalid, Rym Hassani, Sadique A. Javed   +6 more
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Synthesis of Pyrimidine Conjugates with 4-(6-Amino-hexanoyl)-7,8-difluoro-3,4-dihydro-3-methyl-2H-[1,4]benzoxazine and Evaluation of Their Antiviral Activity

Molecules, 2022
A series of pyrimidine conjugates containing a fragment of racemic 7,8-difluoro-3,4-dihydro-3-methyl-2H-[1,4]benzoxazine and its (S)-enantiomer attached via a 6-aminohexanoyl fragment were synthesized by the reaction of nucleophilic substitution of ...
Victor P. Krasnov, Vera V. Musiyak, Galina L. Levit, Dmitry A. Gruzdev, Valeriya L. Andronova, Georgii A. Galegov, Iana R. Orshanskaya, Ekaterina O. Sinegubova, Vladimir V. Zarubaev, Valery N. Charushin   +9 more
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Transcriptional reprogramming of nucleotide metabolism in response to altered pyrimidine availability in Arabidopsis seedlings

Frontiers in Plant Science, 2023
In Arabidopsis seedlings, inhibition of aspartate transcarbamoylase (ATC) and de novo pyrimidine synthesis resulted in pyrimidine starvation and developmental arrest a few days after germination.
Robert D. Slocum, Carolina Mejia Peña, Zhongchi Liu   +2 more
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Structure-Based Designing, Solvent Less Synthesis of 1,2,3,4-Tetrahydropyrimidine-5-carboxylate Derivatives: A Combined In Vitro and In Silico Screening Approach

Molecules, 2021
Objective: In this study, small molecules possessing tetrahydropyrimidine derivatives have been synthesized having halogenated benzyl derivatives and carboxylate linkage. As previously reported, FDA approved halogenated pyrimidine derivatives prompted us
Uzma Arshad, Sibtain Ahmed, Nusrat Shafiq, Zaheer Ahmad, Aqsa Hassan, Naseem Akhtar, Shagufta Parveen, Tahir Mehmood   +7 more
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Synthesis and Anticancer Evaluations of Novel Thiazole Derivatives Derived from 4-Phenylthiazol-2-amine

Acta Chimica Slovenica, 2021
Many novel thiazole derivatives were designed and synthesized using 4-phenylthiazol-2-amine. The reactivity of the latter compound toward different chemical reagents was studied.
Amira E. M. Abdallah, Rafat M. Mohareb, Maher H. E. Helal, Germeen J. Mofeed   +3 more
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One-Pot Multicomponent Synthesis and Cytotoxic Evaluation of Novel 7-Substituted-5-(1H-Indol-3-yl)Tetrazolo[1,5-a] Pyrimidine-6-Carbonitrile

Molecules, 2020
A series of novel 7-substituted-5-(1H-indol-3-yl)tetrazolo[1,5-a]pyrimidine-6-carbonitrile was synthesized via a one-pot, three-multicomponent reaction of appropriate aldehydes, 1H-tetrazole-5-amine and 3-cyanoacetyl indole in catalytic triethylamine ...
Mohamed A. A. Radwan, Fahad M. Alminderej, Hanem M. Awad   +2 more
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Synthesis, characterization and theoretical studies of novel pyrimidine derivatives as potential corrosion inhibitors [PDF]

Journal of the Serbian Chemical Society, 2020
In this study, five new pyrimidine derivatives were synthesized and characterized by characterization methods such as 1H-NMR, 13C-NMR, FT- -IR and elemental analysis.
Akbas Esvet, Yildiz Ela, Erdogan Ahmet
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Hybrides of Alkaloid Lappaconitine with Pyrimidine Motif on the Anthranilic Acid Moiety: Design, Synthesis, and Investigation of Antinociceptive Potency

Molecules, 2020
Convenient and efficient routes to construct hybrid molecules containing diterpene alkaloid lappaconitine and pyrimidine fragments are reported. One route takes place via first converting of lappaconitine to 1-ethynyl-lappaconitine, followed by the ...
Kirill P. Cheremnykh, Victor A. Savelyev, Sergey A. Borisov, Igor D. Ivanov, Dmitry S. Baev, Tatyana G. Tolstikova, Valentin A. Vavilin, Elvira E. Shults   +7 more
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