عنوان
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Synthesis of new metal-free 1,2,4,5,9,10,12,13-octaaza[16]
annulene derivatives using the reaction of vinamidinium
salts with thiocarbohydrazide
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کلیدواژهها
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marcocyclic complexes, marcocyclic ligands, thiocarbohydrazid, Vilsmier–Haack reaction
conditions, vinamidinium salt
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چکیده
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A new series of marcocyclic ligands, 1,2,4,5,9,10,12,13-octaaza[16]annulene
derivatives were synthesized by using the condensation reaction of the correspondingly
[2+2] 2-heteroaryl-substituted vinamidinium salts or phenyl vinamidinium
salts and derivatives or halo-substituted vinamidinum salt [1A-
10A] with thiocarbohydrazide in ethanolic medium under mild condition.
Metal complexes were formed by reacting of ethanolic solution of Co, Ni, and
Zn with macrocyclic ligand in ethanolic medium under mild condition. Purposed
complexes have been characterized with the help of elemental analyses,
comparative absorption band of ν(C=N), mass, and NMR. Geometry and complex
formulation are out of scope of this work. The biological activities of carohydrazide
and thiocarbohydrazide base of the ligands and purposed complexes
such as antimicrobial, antitumor, and insecticides have attracted significant
attention in bioorganic chemistry.
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