Results 51 to 60 of about 7,405 (269)

ChemInform Abstract: Synthesis and Studies of Alkynyl Pyrimidinones as Metaphase Inhibitors. [PDF]

ChemInform, 1991
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
Tore Benneche, Gunnar Keilen, Jan Solberg, Reidar Oftebro, Kjell Undheim, Lars I. Elding   +5 more
openaire   +4 more sources

Mesoporous molecular sieve MCM-41 catalyzed one-pot synthesis of 3,4-dihydro-2(1H)-pyrimidinones and –thiones under solvent-free conditions [PDF]

, 2011
An efficient synthesis of 3,4-dihydro-2(1H)-pyrimidinones and -thiones using MCM-41 as the catalyst from an aldehyde, β-keto ester, and urea or thiourea under solvent-free conditions is described.KEY WORDS: Biginelli reaction, Dihydropyrimidinones, MCM ...
Baghernejad, Bita, Heidari, Maryam, Hekmatshoar, Rahim, M. Heravi, Majid.   +3 more
core   +3 more sources

Design and Synthesis of Chemical Entities of Therapeutic Interest [PDF]

, 2005
Not ...
chovatia, Prafulkumar T.
core  

Synthesis of Some Thienopyrimidine Derivatives

Molecules, 2006
Thioxothienopyrimidinones, alkylthio- and arylalkylthiothienopyrimidinones, thienopyrimidinones, thienopyrimidines a thienopyrimidinedione and a thienotriazolo- pyrimidinone were prepared from 2-amino-3-carboethoxy-4,5-disubstituted thiophenes and 2 ...
Hassan M. Al-Hazimi, Hanan A. S. Al-Blowy, Fatma E. M. El-Baih   +2 more
doaj   +1 more source

The synthesis of 2-pyrimidinone nucleosides and their incorporation into oligodeoxynucleotides

Nucleic Acids Research, 1989
The synthesis of 1-(beta-D-2'-deoxyribosyl)-2-pyrimidinone (dK) and its 5-methyl derivative (d5) from 2'-deoxycytidine or 2'-deoxythymidine, respectively, via silver oxide oxidation of 4-hydrazinopyrimidines is described. The necessary hydrazine substituted pyrimidine nucleosides have been prepared by transamination of a protected cytidine derivative ...
Larry W. McLaughlin, Brian D. Gildea
openaire   +4 more sources

Comparative Computational Studies of 3,4-Dihydro-2,6-diaryl-4-oxo-pyrimidine-5-carbonitrile Derivatives as Potential Antinociceptive Agents

Molecules, 2012
In this study, the antinociceptive properties of 3,4-dihydro-2,6-diaryl-4-oxo-pyrimidine-5-carbonitrile derivatives 5a–i at doses of 25 and 50 mg/kg were evaluated in mice, using the abdominal constriction test.
Francisco J. B. Mendonça Junior, Sebastião J. de Melo, Elisa Soares Leite, Almir G. Wanderley, Luciana Scotti, Marcus T. Scotti, João H. Costa-Silva, Janaína V. dos Anjos, Rajendra M. Srivastava   +8 more
doaj   +1 more source

Ethyl 4-(2,4-difluoro­phen­yl)-6-methyl-2-oxo-1,2,3,4-tetra­hydro­pyrimidine-5-carboxyl­ate [PDF]

, 2009
In the title compound, C14H14F2N2O3, the dihydro­pyrimidin­one ring adopts a flattened boat conformation. The difluoro­phenyl group is disordered over two orientations with occupancies of 0.544 (3) and 0.456 (3).
Babu, M., Fun, Hoong-Kun, Kalluraya, B., Yeap, Chin Sing   +3 more
core   +3 more sources

Mesoporous molecular sieve MCM-41 catalyzed one-pot synthesis of 3,4-dihydro-2(1H)-pyrimidinones and –thiones under solvent-free conditions

Bulletin of the Chemical Society of Ethiopia, 2011
An efficient synthesis of 3,4-dihydro-2(1H)-pyrimidinones and -thiones using MCM-41 as the catalyst from an aldehyde, β-keto ester, and urea or thiourea under solvent-free conditions is described.
Rahim Hekmatshoar, Maryam Heidari, Majid. M. Heravi, Bita Baghernejad   +3 more
doaj  

Studies on Heterocyclic Compounds [PDF]

, 2004
Not ...
Sanghani, Harshad G.
core  

Policyclic Pyridinones and Pyrimidinones and their Antimicrobial Activity

The FASEB Journal, 2011
Novel Pyridinones and pyrimidinones are synthesized by cyclic condensation of 2‐aminopyridines, respectively 2‐aminopyrimidines and corresponding acids. Condensation of 2‐amino‐4,6‐dimethylpyridine 1a and chloroacetic acid 2a gave corresponding imidazo‐[1,2,4]‐4,6‐dimethylpyridin‐3(2H)‐one 3a, whereas cyclocondensation of 1a and malonic acid 2b, gave 6,
Pranvera Breznica‐Selmani, Veprim Thaçi, Yllka Begolli, Naser Troni, Ramiz Hoti, Dafina Damoni-Rexha   +5 more
openaire   +1 more source