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Browsing by Author "Chumakov, Yurii"

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COMPOUNDS REMOVED FROM THE CONDENSATION REACTION BETWEEN 2 - ACETYLPYRIDINE AND 2 - FORMYLPYRIDINE. SYNTHESIS, CRYSTAL STRUCTURE AND BIOLOGICAL EVALUATION

Rusnac, Roman; Botnaru, Maria; Barba, Nicanor; Petrenko, Peter; Chumakov, Yurii; Gulea, Aurelian (Institutul de Chimie al AŞM, 2020)

The research is devoted to the study of unexpected products that formed as a result of the condensation reaction between 2-acetylpyridine and 2-formylpyridine under the Claisen-Schmidt reaction ...
THE CRYSTAL STRUCTURE AND ANTIMICROBIAL ACTIVITY OF BIS[METHYLN ’ -(2-HYDROXOBENZYLIDENE)-N-PROP-2-EN-1- YLCARBAMOHYDRAZONOTHIOATE]CHROMIUM(III) NITRATE

Petrenko, Peter A.; Graur, Vasilii О.; Chumakov, Yurii; Truhina, Irina; Tsapkov, Victor I.; Prisakari, Viorel I.; Zariciuc, Elena; Rudic, Valeriu; Gulea, Aurelian (Academia de Ştiinţe a Moldovei, 2015)
THE CRYSTAL STRUCTURE AND ANTITUMOR ACTIVITY OF 1,6-DINITRATO-BIS[2-(5-METHYLSULFANYL)-4-(PROP-2-EN-1-YL)-4- -(1,2,4-TRIAZOL-3-YL)PYRIDINE]COPPER

Petrenko, Peter A.; Graur, Vasilii О.; Chumakov, Yurii; Truhina, Irina; Tsapkov, Victor I.; Poirier, Donald; Gulea, Aurelian (Academia de Ştiinţe a Moldovei, 2015)
CRYSTAL STRUCTURES OF COPPER (II) CHLORIDE, NITRATE AND SULPHATE COMPLEXES WITH THIOSEMICARBAZONE PYRIDINE-2-CARBOXYALDEHYDE

Chumakov, Yurii; Jeanneau, Erwann; Bejenari, Nadejda; Tsapkov, Victor I; Gulea, Aurelian (Academia de Ştiinţe a Moldovei, 2006)

Thiosemicarbazones of different aldehydes and ketones take a special place among the organic ligands because of a variety of their donor atoms and ability to change the dentantity depending on initial reagents and conditions ...
CRYSTAL STRUCTURES OF COPPER (II) COMPLEXES WITH 5-CHLORINE- AND 5-BROMINE-SUBSTITUTED N-ETHANOLSALICYLIDENIMINES

Chumakov, Yurii; Tsapkov, Victor I.; Bocelli, Gabriele; Antosyak, B.; Gulea, Aurelian (Academia de Ştiinţe a Moldovei, 2006)

The condensation products of alcanolimines with aldehydes and ketons form the biologically active coordination compounds with ions of transition metals differing in composition, structure and properties. In this respect, ...
THE CRYSTAL STRUCTURES OF IMIDAZOLE-[2-(2-HYDROXО-BENZYLIDENE)- N-(PROP-2-EN-1 YL)HYDRAZINCARBOTHIOAMIDE]-COPPER(II) AND (3,5- DIBROMOPYRIDINE)-[2-(2-HYDROXОBENZYLIDENE)-N-(PROP-2-EN-1- YL)HYDRAZINECARBOTHIOAMIDE]COPPER(II) NITRATES

Petrenko, Peter A.; Graur, Vasilii О.; Chumakov, Yurii; Smaglii, Vadim; Tsapkov, Victor I.; Crudu, Valeriu; Eftodii, Sergiu; Gulea, Aurelian (Academia de Ştiinţe a Moldovei, 2015)
CRYSTAL STRUCTURES OF NITRATO-COPPER(II) COMPLEXES COMPRISING 4,4’ -BIPYRIDYL AND SALICYLIDEN- OR NAPHTHALIDENAMINOETHANOL

Chumakov, Yurii; Petrenko, Peter A.; Tsapkov, Victor I.; Bocelli, Gabriele; Gulea, Aurelian (Academia de Ştiinţe a Moldovei, 2006)

Copper (II) nitrate with 2-[2-(hydroxyethylimino)-methyl]-phenol (H2L), 2-[2(hydroxyethylimino)-methyl]-naphtol (H2L1) and heterocyclic amines has been found to generate polynuclear coordination compounds with antimicrobial ...
THE CRYSTAL STRUCTURES OF TWO IZOMERIC FORMS OF COPPER(II) CHLORIDE COMPLEXES OF 2-(2-(PHENYL(PYRIDIN-2- YL)METHYLENE)-HYDRAZINYL)BENZOTHIAZOLE

Paholnitscaia, Anastasia; Chumakov, Yurii; Petrenko, Piotr; Gulea, Aurelian (Academia de Ştiinţe a Moldovei, 2012)
INTRODUCING N-HETEROAROMATIC BASES INTO COPPER(II) THIOSEMICARBAZON COMPLEXES: A WAY TO CHANGE THEIR BIOLOGICAL ACTIVITY

Ulchina, Ianina; Tsapkov, Victor I.; Graur, Vasilii O.; Chumakov, Yurii; Garbuz, Olga; Burduniuc, Olga; Ceban, Emil; Gulea, Aurelian (2022)

Three new copper(II) complexes, [Cu(1,10-Phen)(L)] (1), [Cu(2,2’- Bpy)(L)] (2) and [Cu(3,4-Lut)(L)] (3), where H2L=2-[(2,4- dihydroxyphenyl)methylidene]-N-(prop-2-en-1-yl)hydrazine-1- carbothioamide, 1,10-Phen=1,10-phenanthroline, ...
NOVEL 2-FORMYLPYRIDINE 4-ALLYL-S-METHYLISOTHIOSEMICARBAZONE AND ZN(II), CU(II), NI(II) AND CO(III) COMPLEXES: SYNTHESIS, CHARACTERIZATION, CRYSTAL STRUCTURE, ANTIOXIDANT, ANTIMICROBIAL AND ANTIPROLIFERATIVE ACTIVITY

Balan, Greta; Burduniuc, Olga; Usataia, Irina; Graur, Vasilii; Chumakov, Yurii; Petrenko, Peter; Gudumac, Valentin; Gulea, Aurelian; Pahontu, Elena (John Wiley & Sons Ltd, 2020)

New zinc (II), copper (II), nickel (II) and cobalt (III) complexes, [Zn (HL) 2 ]I 2 (1), [Cu (HL)Cl 2 ](2), [Cu (HL)Br 2 ](3), [Cu (HL)(H 2 O) 2 ](ClO 4 ) 2 (4), [Ni (HL) 2 ]I 2 H 2 O(5), [Co(L) 2 ]Cl ...
SOME NEW Cu(II), Co(II) AND Ni(II) COMPLEXES CONTAINING AN ONS DONOR THIOSEMICARBAZONE: SYNTHESIS, CRYSTAL STRUCTURES AND BIOLOGICAL ACTIVITY.

Pahontu, Elena Mihaela; Julea, Felicia; Chumakov, Yurii; Petrenko, Peter A.; Roşu, Tudor; Gulea, Aurelian (Academia de Ştiinţe a Moldovei, 2015)
SYNTHESIS AND CRYSTAL STRUCTURE OF CHLORO-(2-FORMYLPYRIDINETHIOSEMICARBAZONO)COPPER DIMETHYL SULFOXIDE SOLVATE.

Bairac, Natalia; Petrenko, Peter A.; Chumakov, Yurii; Gulea, Aurelian (Academia de Ştiinţe a Moldovei, 2015)
Synthesis, characterization, crystal structure of novel Cu (II), Co (III), Fe (III) and Cr (III) complexes with 2‐hydroxybenzaldehyde‐4‐allyl‐S‐methylisothiosemicarbazone: Antimicrobial, antioxidant and in vitro antiproliferative activity

Pahontu, Elena; Usataia, Irina; Graur, Vasilii; Chumakov, Yurii; Petrenko, Valentin; Gudumac, Valentin; Gulea, Aurelian (John Wiley and Sons, 2018)

2‐Hydroxybenzaldehyde‐4‐allyl‐S‐methylisothiosemicarbazone and Cu (II), Co (III), Fe (III) and Cr (III) complexes were synthesized and characterized. The new obtained compounds were investigated by elemental analysis, ...
SYNTHESIS, STRUCTURE AND ANTIMICROBIAL ACTIVITY OF SALICYLALDEHYDE 4-(DIMETHYLPHENYL) THIOSEMICARBAZONES AND BIOMETAL COORDINATION COMPOUNDS WITH THESE LIGANDS

Gulea, Aurelian; Erhan, Tatiana; Zariciuc, Elena; Petrenko, Peter; Chumakov, Yurii; Jalba, Svetlana; Tsapkov, Victor (Academia de Ştiinţe a Moldovei, 2017)

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