Naphthylazo and Benzothiazolylazo Derivatives of Some Unsaturated beta-Diketones and Their Metal Complexes

Ummathur, M. B.

Artykuł - szczegóły

Tytuł artykułu

Naphthylazo and Benzothiazolylazo Derivatives of Some Unsaturated beta-Diketones and Their Metal Complexes

Autorzy

Ummathur M. B.

Identyfikatory

Warianty tytułu

Języki publikacji

Abstrakty

Naphthylazo and benzothiazolylazo derivatives of three beta-diketones in which the diketo function is attached directly to olefinic link ages (dicinnamoyl methane, acetyl cinnamoyl methane and benzoyl cinnamoyl methane) have been synthesized and characterized. Analytical, IR, 1H NMR and mass spectral data indicate that the naphthylazo derivatives exist in the intramolecularly hydrogen bonded keto-hydrazone form and benzothiazolylazo derivatives in the intramolecularly hydrogen bonded azo-enol tautomeric form. In the [ML2] complexes [M = Ni(II), Cu(II), Zn(II)] the naphthylazo derivatives function as monobasic bidentate in which one of the hydrazone nitrogen and keto oxygen are involved in bonding with the metal ion. Monobasic tridentate coordination of the benzo -thiazolylazo derivatives in their [ML2] complexes has been established on the basis of analytical and spectral data.

Słowa kluczowe

unsaturated beta-diketones phenyl hydrazones metal complexes IR spectra 1H NMR spectra and mass spectra

Wydawca

Polskie Towarzystwo Chemiczne

Czasopismo

Polish Journal of Chemistry

Rocznik

2009

Tom

Vol. 83, nr 10

Strony

1717--1728

Opis fizyczny

Bibliogr. 34 poz., rys.

Twórcy

autor

Ummathur M. B.

Department of Chemistry, Unity Women’s College, Manjeri, Narukara, Malappuram (Dt), Kerala-676122, India, mbummathur@rediffmail.com

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Typ dokumentu

Bibliografia

Identyfikator YADDA

bwmeta1.element.baztech-article-BUJ7-0015-0081