SYNTHESIS, CRYSTAL STRUCTURES AND PRELIMINARY ANTIBACTERIAL ACTIVITIES OF NICKEL(II) AND ZINC(II) COMPLEXES DERIVED FROM 2-BROMO-6-[(3-CYCLOHEXYLAMINOPROPYLIMINO) METHYL]PHENOL
Two centrosymmetric mononuclear nickel(II) and zinc(II) complexes, [NiL2]-2NO3 (1) and [ZnL2(dca)2] (2), where L is the zwitterionic form of 2-bromo-6-[(3-cyclohexylaminopropylimino)methyl]phenol, and dca is the dicyanamide anion, have been synthesized. The complexes have been characterized by physi...
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| Autores principales: | , , , |
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| Lenguaje: | English |
| Publicado: |
Sociedad Chilena de Química
2015
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| Materias: | |
| Acceso en línea: | http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072015000300012 |
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| Sumario: | Two centrosymmetric mononuclear nickel(II) and zinc(II) complexes, [NiL2]-2NO3 (1) and [ZnL2(dca)2] (2), where L is the zwitterionic form of 2-bromo-6-[(3-cyclohexylaminopropylimino)methyl]phenol, and dca is the dicyanamide anion, have been synthesized. The complexes have been characterized by physico-chemical methods and single crystal X-ray determination. Complex (1) crystallizes in the monoclinic space group P2Jn with unit cell dimensions a = 7.0091(7) Å, b = 11.137(1) Å, c = 23.997(2) Å, β = 97.390(3)°, V = 1857.7(3) ų, Z = 2, R1 = 0.0617, and wR2 = 0.1632. Complex (2) crystallizes in the triclinic space group P-1 with unit cell dimensions a = 8.762(1) Å, b = 10.386(1) Å, c = 10.687(2) Å, α = 85.209(2)°, β = 83.931(2)°, g = 88.734(2)°, V = 963.6(2) ų, Z = 1, R1 = 0.0374, and wR2 = 0.0873. The Ni atom in (1) is in a square planar geometry, and the Zn atom in (2) is in an octahedral geometry. The preliminary antibacterial activities of the complexes were assayed. |
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