Synthesis and characterization of new Co(II)‎, Ni(II)‎, Cu(II)‎ and Zn(II)‎ with bis-hydrazones complexes

العناوين الأخرى

تحضير و تشخيص معقدات جديدة ل Co(II)‎، Ni(II)‎، Cu(II)‎ و Zn(II)‎ ثنائية الهيدرازون

المؤلفون المشاركون

al-Dabbagh, Ahmad A.
al-Zahir, Abd al-Ghani M.

المصدر

Rafidain Journal of Science

الناشر

جامعة الموصل كلية العلوم

تاريخ النشر

2019-04-30

دولة النشر

العراق

عدد الصفحات

8

التخصصات الرئيسية

الكيمياء

الموضوعات

• النحاس
• الزنك
• النيكل
• الكوبالت
• مركبات الآزو

الملخص الإنجليزي

A number of new Co(II), Ni(II), Cu(II) and Zn(II) complexes with 2,5-hexanedione bis(4-methylbenzoyl hydrazone)(HDMBH), 2,5-hexanedione bis(2-theonyl hydrazone)(HDTH) and 2,5-hexanedione bis(2-furoyl hydrazone)(HDFH) have been reported.The bis-hydrazone ligands were synthesized by the condensation of 2,5-hexanedione with (4-methylbenzoic acid hydrazide,2-thiophene carbohydrazide or 2-furic acid carbohydrazide) in 1:2 molar ratio.

The reaction of metal(II) chlorides with the ligands in (1:1) molar ratio in ethanol in presence of triethylamine lead to the isolation of complexes having the general formula [M(L-2H)(H2O)2] where (M= Co(II), Ni(II), Cu(II) and Zn(II)) and (L-2H=doubly deprotonated ligand).

The ligands and complexes have been characterized by elemental analysis, spectral (IR,UV-Vis), magnatic and molar conductance measurements, which revealed that the ligands HDMBH, HDTH, and HDFH act as dinegtive charge tetradentate (NNOO-2) donor ligands in the metal complexes, coordinated through the two azomethine group nitrogen atoms and the two enolic oxygen atoms.

All complexes provide an octaheadral geomatry.

نوع البيانات

أوراق مؤتمرات

رقم السجل

BIM-894967

• APA
• MLA
• AMA