Synthesis and characterization of transition metal complexes of N′-[(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)methylene]thiophene-2-carbohydrazide
A hydrazone ligand (HL) containing the thiophene moiety has been prepared via condensation of thiophene-2-carbohydrazide with 1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazole-4-carbaldehyde. The complexes of copper(II), nickel(II), cobalt(II), manganese(II), zinc(II), palladium(II), iron(III), ru...
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| Veröffentlicht in: | Transition metal chemistry (Weinheim) 2008-03, Vol.33 (2), p.219-228 |
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| container_title | Transition metal chemistry (Weinheim) |
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| creator | Fouda, M. F. R. Abd-Elzaher, M. M. Shakdofa, M. M. E. El Saied, F. A. Ayad, M. I. El Tabl, A. S. |
| description | A hydrazone ligand (HL) containing the thiophene moiety has been prepared via condensation of thiophene-2-carbohydrazide with 1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazole-4-carbaldehyde. The complexes of copper(II), nickel(II), cobalt(II), manganese(II), zinc(II), palladium(II), iron(III), ruthenium(III), uranyl(VI), and titanium(IV) with the ligand were prepared in good yield from the reaction of the ligand with the corresponding metal salts. The ligand and complexes were characterized using infrared, mass spectra, nuclear magnetic resonance, electronic absorption spectra, electron spin resonance, and magnetic moment measurements as well as elemental and thermal analyses. The results showed that the complexes are enolic by nature, whilst the ratio between the metal ion and the ligand depends on the acidity of the metallic ions and their oxidation numbers. |
| doi_str_mv | 10.1007/s11243-007-9024-0 |
| format | Article |
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The ligand and complexes were characterized using infrared, mass spectra, nuclear magnetic resonance, electronic absorption spectra, electron spin resonance, and magnetic moment measurements as well as elemental and thermal analyses. The results showed that the complexes are enolic by nature, whilst the ratio between the metal ion and the ligand depends on the acidity of the metallic ions and their oxidation numbers.</description><subject>Catalysis</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Inorganic Chemistry</subject><subject>NMR</subject><subject>Nuclear magnetic resonance</subject><subject>Organometallic Chemistry</subject><subject>Physical Chemistry</subject><issn>0340-4285</issn><issn>1572-901X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><recordid>eNp1kUtKxUAQRRtR8PlZgLPgSMHS_uU3FPEHDx34BoJI6HQqJpKXjt0RzBu5F3fgklyJHSM4ctR1ufdUQV9C9hg9ZpTGJ44xLgX4EVLKJdA1MmNhzL1i9-tkRoWkIHkSbpIt554ppSGP5Yx83A1tX6GrXaDaItCVskr3aOuV6mvTBqYMeqtaV_-oJfaqCbRZdg2-oRvdm6_3T3g4YEchFLX3q6EBAebNAIeuwtZLfiS8Vw2FNcCuoBusWpkGJAzN4URgi499VZsRQA9qZXMzAmpVF7hDNkrVONz9fbfJ4uJ8cXYF89vL67PTOWjBwh5SiWlCI6ZyySMs8lJxWSb-RxgrizyPJOo4lyLhcRpGhdJlnqZRzGNVJEprIbbJ_rS2s-blFV2fPZtX2_qLWZKINJap4D7EppC2xjmLZdbZeqnskDGajU1kUxPZOI5NZNQzfGKcz7ZPaP8W_w99A6P9jwM</recordid><startdate>20080301</startdate><enddate>20080301</enddate><creator>Fouda, M. 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S.</creatorcontrib><collection>CrossRef</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Transition metal chemistry (Weinheim)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Fouda, M. F. R.</au><au>Abd-Elzaher, M. M.</au><au>Shakdofa, M. M. E.</au><au>El Saied, F. A.</au><au>Ayad, M. I.</au><au>El Tabl, A. S.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Synthesis and characterization of transition metal complexes of N′-[(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)methylene]thiophene-2-carbohydrazide</atitle><jtitle>Transition metal chemistry (Weinheim)</jtitle><stitle>Transition Met Chem</stitle><date>2008-03-01</date><risdate>2008</risdate><volume>33</volume><issue>2</issue><spage>219</spage><epage>228</epage><pages>219-228</pages><issn>0340-4285</issn><eissn>1572-901X</eissn><abstract>A hydrazone ligand (HL) containing the thiophene moiety has been prepared via condensation of thiophene-2-carbohydrazide with 1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazole-4-carbaldehyde. The complexes of copper(II), nickel(II), cobalt(II), manganese(II), zinc(II), palladium(II), iron(III), ruthenium(III), uranyl(VI), and titanium(IV) with the ligand were prepared in good yield from the reaction of the ligand with the corresponding metal salts. The ligand and complexes were characterized using infrared, mass spectra, nuclear magnetic resonance, electronic absorption spectra, electron spin resonance, and magnetic moment measurements as well as elemental and thermal analyses. The results showed that the complexes are enolic by nature, whilst the ratio between the metal ion and the ligand depends on the acidity of the metallic ions and their oxidation numbers.</abstract><cop>Dordrecht</cop><pub>Springer Netherlands</pub><doi>10.1007/s11243-007-9024-0</doi><tpages>10</tpages></addata></record> |
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| subjects | Catalysis Chemistry Chemistry and Materials Science Inorganic Chemistry NMR Nuclear magnetic resonance Organometallic Chemistry Physical Chemistry |
| title | Synthesis and characterization of transition metal complexes of N′-[(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)methylene]thiophene-2-carbohydrazide |
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