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Synthesis of some new 1, 2, 4-triazoles, their Mannich and Schiff bases and evaluation of their antimicrobial activities

evaluation

Bayrak H, Demirbas A, Karaoglu SA.
GSID: 1cXOO7CNNWIJ
H Bayrak, A Demirbas, SA Karaoglu… - European journal of …, 2009 - Elsevier

4-Phenyl-5-pyridin-4-yl-4H-1,2,4-triazole-3-thiol (3) was obtained in basic media via the formation of 2-isonicotinoyl-N-phenylhydrazinecarbothioamide (2), and converted to some alkylated derivatives (4a,b) and Mannich base derivatives (5a–c). 2-[(4-Phenyl-5-pyridin-4-yl-4H-1,…

Multichromic Bis-Axially Extended Perylene Chromophore with Schiff Bases: Synthesis, Characterization and Electrochemical Studies.

Journal of fluorescence

Shabir G, Saeed A, Arshad M, Zahid M.
PMID: 27672080
J Fluoresc. 2016 Nov;26(6):2247-2255. doi: 10.1007/s10895-016-1920-2. Epub 2016 Sep 27.

In the present paper a novel way of symmetric conjugation extension along molecular axes of perylene dianhydride chromophore has been devised to achieve lengthy delocalized electronic species exhibiting red shifted absorption and emission of UV-Visible radiations. During synthetic pathway...

Metal Complexation Properties of Schiff Bases Containing 1,3,5-Triazine Derived from 2-Hydroxy-1-Naphthaldehyde in Solution. A Simple Spectrofluorimetric Method to Determine Mercury (II).

Journal of fluorescence

Ocak M, Ak T, Aktaş A, Özbek N, Çağılcı OC, Gümrükçüoğlu A, Kantekin H, Ocak Ü, Alp H.
PMID: 27633371
J Fluoresc. 2017 Jan;27(1):59-68. doi: 10.1007/s10895-016-1934-9. Epub 2016 Sep 16.

Four new Schiff base ligands carrying naphthalene groups were prepared from the reaction of 2,4-diamino-6-methyl-1,3,5-triazine and 2,4-diamino-6-undecyl-1,3,5-triazine with 2-hydroxy-1-naphthaldehyde. The influence of a series of metal ions including Cu

Synthesis and antibacterial activity of Schiff bases and amines derived from alkyl 2-(2-formyl-4-nitrophenoxy)alkanoates.

Medicinal chemistry research : an international journal for rapid communications on design and mechanisms of action of biologically active agents

Goszczyńska A, Kwiecień H, Fijałkowski K.
PMID: 26213456
Med Chem Res. 2015;24(9):3561-3577. doi: 10.1007/s00044-015-1397-6. Epub 2015 Jul 15.

A series of novel Schiff bases and secondary amines were obtained in good yields, as a result of the reductive amination of alkyl 2-(2-formyl-4-nitrophenoxy)alkanoates with both aniline and 4-methoxyaniline under established mild reaction conditions. Sodium triacetoxyborohydride as well as...

Prevention of NAFLD development in rats with obesity via the improvement of pro/antioxidant state by cerium dioxide nanoparticles.

Clujul medical (1957)

Kobyliak N, Abenavoli L, Falalyeyeva T, Virchenko O, Natalia B, Beregova T, Bodnar P, Spivak M.
PMID: 27152074
Clujul Med. 2016;89(2):229-35. doi: 10.15386/cjmed-632. Epub 2016 Apr 15.

BACKGROUND: One of the pathogenic mechanisms of the nonalcoholic fatty liver disease (NAFLD) is the accumulation of reactive oxygen species, which in turn aggravates the disease progress. We have investigated novel cerium dioxide nanoparticles (nCeO2) due to their promising...

Synthesis, molecular docking and biological evaluation of bis-pyrimidine Schiff base derivatives.

Chemistry Central journal

Kumar S, Lim SM, Ramasamy K, Vasudevan M, Shah SAA, Selvaraj M, Narasimhan B.
PMID: 29086867
Chem Cent J. 2017 Sep 18;11(1):89. doi: 10.1186/s13065-017-0322-0.

BACKGROUND: Heterocyclic pyrimidine nucleus, which is an essential base component of the genetic material of deoxyribonucleic acid, demonstrated various biological activities. A series of bis-pyrimidine Schiff bases were synthesized and screened for its antimicrobial and anticancer potentials. The molecular...

1,3-Bis{(.

Acta crystallographica. Section E, Crystallographic communications

Rivera A, Miranda-Carvajal I, Ríos-Motta J, Bolte M.
PMID: 28638633
Acta Crystallogr E Crystallogr Commun. 2017 May 05;73:813-816. doi: 10.1107/S2056989017006429. eCollection 2017 Jun 01.

The asymmetric unit of the title compound, C

Palladacycles of sulfated and selenated Schiff bases of ferrocene-carboxaldehyde as catalysts for O-arylation and Suzuki-Miyaura coupling.

Dalton transactions (Cambridge, England : 2003)

Sharma AK, Joshi H, Bhaskar R, Kumar S, Singh AK.
PMID: 28144665
Dalton Trans. 2017 Feb 21;46(8):2485-2496. doi: 10.1039/c7dt00083a.

Schiff base ligands (L1: sulfated and L2: selenated) having a ferrocene core synthesized by reacting ferrocene-carboxaldehyde with 2-(phenylthio/seleno)ethylamine on treatment with Na

Crystal structure of {6,6'-dihy-droxy-2,2'-[imino-bis-(propane-1,3-diyl-nitrilo-methanylyl-idene)]diphenolato-κ(5) O (1),N,N',N'',O (1')}copper(II).

Acta crystallographica. Section E, Crystallographic communications

Noor S, Kumar S, Sabir S, Seidel RW, Goddard R.
PMID: 26594534
Acta Crystallogr E Crystallogr Commun. 2015 Oct 24;71:m203-4. doi: 10.1107/S2056989015019684. eCollection 2015 Nov 01.

The title compound, [Cu(C20H23N3O4)], crystallizes in the space group Cc with two independent mol-ecules in the asymmetric unit. The Cu(II) atoms are each coordinated by the penta-dentate Schiff base ligand in a distorted trigonal bipyramidal N3O2 geometry. The equatorial...

Synthesis, Structural Characterization, and Biological Activity Studies of Ni(II) and Zn(II) Complexes.

Bioinorganic chemistry and applications

Kavitha P, Laxma Reddy K.
PMID: 24948904
Bioinorg Chem Appl. 2014;2014:568741. doi: 10.1155/2014/568741. Epub 2014 Apr 28.

Ni(II) and Zn(II) complexes were synthesized from tridentate 3-formyl chromone Schiff bases such as 3-((2-hydroxyphenylimino)methyl)-4H-chromen-4-one (HL1), 2-((4-oxo-4H-chromen-3-yl)methylneamino)benzoic acid (HL2), 3-((3-hydroxypyridin-2-ylimino)methyl)-4H-chromen-4-one (HL3), and 3-((2-mercaptophenylimino)methyl)-4H-chromen-4-one (HL4). All the complexes were characterized in the light of elemental analysis, molar conductance, FTIR, UV-VIS,...

Ferrocene-Based Tetradentate Schiff Bases as Supporting Ligands in Uranium Chemistry.

Inorganic chemistry

Camp C, Chatelain L, Mougel V, Pécaut J, Mazzanti M.
PMID: 26010406
Inorg Chem. 2015 Jun 15;54(12):5774-83. doi: 10.1021/acs.inorgchem.5b00467. Epub 2015 May 26.

Uranyl(VI), uranyl(V), and uranium(IV) complexes supported by ferrocene-based tetradentate Schiff-base ligands were synthesized, and their solid-state and solution structures were determined. The redox properties of all complexes were investigated by cyclic voltammetry. The bulky salfen-(t)Bu2 allows the preparation of...

Synthesis, SAR Study and Evaluation of Mannich and Schiff Bases of Pyrazol-5(4H)-one Moiety Containing 3-(Hydrazinyl)-2-phenylquinazolin-4(3H)-one.

Indian journal of pharmaceutical sciences

Sivakumar KK, Rajasekharan A, Rao R, Narasimhan B.
PMID: 24302802
Indian J Pharm Sci. 2013 Jul;75(4):463-75. doi: 10.4103/0250-474X.119832.

In the present investigation, a series of 12 Mannich bases (QP1-12) and 5 Schiff bases (QSP1-5) of pyrazol-5(4H)-one moiety containing 3-(hydrazinyl)-2-phenylquinazolin-4(3H)-one has been synthesized and characterized by physicochemical as well as spectral means. The synthesized Mannich and Schiff bases...

Showing 1 to 12 of 651 entries