Synthesis, X-ray crystal structures, and antibacterial activities of Schiff base nickel(II) complexes with similar tetradentate Schiff bases

2017 ◽  
Vol 43 (5) ◽  
pp. 314-319 ◽  
Author(s):  
Y. Xu ◽  
L. Xue ◽  
Z. G. Wang
Keyword(s):  
Schiff Base ◽  
Crystal Structures ◽  
Schiff Bases ◽  
Antibacterial Activities ◽  
X Ray

Syntheses and crystal structures of ruthenium complexes with bidentate salicylaldiminato and dithiophosphato ligands

2018 ◽  
Vol 73 (5) ◽  
pp. 329-335
Author(s):  
Li-Hua Tang ◽  
Fule Wu ◽  
Hui Lin ◽  
Ai-Quan Jia ◽  
Qian-Feng Zhang
Keyword(s):  
Schiff Base ◽  
Single Crystal ◽  
Crystal Structures ◽  
Schiff Bases ◽  
Ruthenium Complexes ◽  
Molecular Structures ◽  
Carbonyl Complexes ◽  
X Ray Diffraction ◽  
X Ray

AbstractTreatment of the bidentate Schiff base 2-[(2,6-diisopropyl-phenylimino)-methyl]-phenol (HL1) with one equivalent of (Et4N)[RuCl4(MeCN)2] in the presence of triethylamine afforded (Et4N)[RuCl3(κ2-N,O-L1)(MeCN)] (1), which reacted with two equivalents of K[S2P(OiPr)2] to produce a neutral ruthenium(III) complex [Ru(κ2-N,O-L1){η2-S2P(OiPr)2}2] (2) bearing both salicylaldiminato and dithiophosphato ligands. Reactions of the bidentate Schiff bases 2-[(3-chloro-phenylimino)-methyl]-phenol (HL2) and 2-[(2,4,6-trimethyl-phenylimino)-methyl]-phenol (HL3) with one equivalent of [Ru(CO)2Cl2] in the presence of triethylamine led to formation of the corresponding anionic ruthenium(II) carbonyl complexes (Et3NH)[RuCl2(κ2-N,O-L2)(CO)2] (3) and (Et3NH)[RuCl2(κ2-N,O-L3)(CO)2] (4). The molecular structures of complexes 2–4 have been determined by single-crystal X-ray diffraction.

scholarly journals Synthesis, Characterization, X-Ray Crystal Structures and Antibacterial Activity of Cobalt(III) Complexes Derived from 5-Bromo-2-((2-(phenylamino) ethylimino)methyl)phenol

2021 ◽  
Vol 68 (4) ◽  
pp. 983-989
Author(s):  
Cheng Liu
Keyword(s):  
Antibacterial Activity ◽  
Schiff Base ◽  
Single Crystal ◽  
Crystal Structures ◽  
Amino Nitrogen ◽  
Antibacterial Activities ◽  
Octahedral Coordination ◽  
Schiff Base Ligands ◽  
X Ray ◽  
Mtt Method

Two new and similar cobalt(III) complexes, [CoL2] · NO3 (1) and [CoL2] · Cl (2), where L is 5-bromo-2-((2-(phenylamino) ethylimino)methyl)phenolate, have been synthesized and characterized by IR and UV-Vis spectra. Structures of the complexes were confirmed by single crystal X-ray determination. The Co atoms in the complexes are in octahedral coordination, with the donor atoms come from the two Schiff base ligands, viz. phenolate oxygen, and imino and amino nitrogen. The anions of the cobalt salts crystallized as counteranions in the complexes. The complexes were assayed for antibacterial activities by MTT method.

Synthesis, characterization, and X-ray crystal structures of metal complexes with new Schiff-base ligands and their antibacterial activities

2012 ◽  
Vol 65 (6) ◽  
pp. 1004-1016 ◽  
Author(s):  
Hassan Keypour ◽  
Maryam Shayesteh ◽  
Reza Golbedaghi ◽  
Abdolkarim Chehregani ◽  
Allan G. Blackman
Keyword(s):  
Schiff Base ◽  
Metal Complexes ◽  
Crystal Structures ◽  
Antibacterial Activities ◽  
Schiff Base Ligands ◽  
X Ray

Syntheses, Spectroscopy And Crystal Structures Of (R)-N-(1-Aryl-Ethyl)Salicylaldimines And [Rh{(R)-N-(1-Aryl-Ethyl)Salicylaldiminato}(η4-Cod)] Complexes

2007 ◽  
Vol 62 (6) ◽  
pp. 807-817 ◽  
Author(s):  
Mohammed Enamullah ◽  
A.K.M. Royhan Uddin ◽  
Anne-Christine Chamayou ◽  
Christoph Janiak
Keyword(s):  
Mass Spectrometry ◽  
Schiff Base ◽  
Schiff Bases ◽  
Structure Determination ◽  
Chelate Ring ◽  
Optical Rotation ◽  
X Ray ◽  
Mononuclear Complexes ◽  
Chiral Schiff Base ◽  
C Nmr

Condensation of salicylaldehyde with enantiopure (R)-(1-aryl-ethyl)amines yields the enantiopure Schiff bases (R)-N-(1-aryl-ethyl)salicylaldimine (HSB*; aryl = phenyl, 2-methoxyphenyl, 3- methoxyphenyl, 4-methoxyphenyl (4), 4-bromophenyl (5), 2-naphthyl). These Schiff bases readily react with dinuclear (acetato)(η4-cycloocta-1,5-diene)rhodium(I), [Rh(μ-O2CMe)(η4-cod)]2, to afford the mononuclear complexes, cyclooctadiene-((R)-N-(1-aryl-ethyl)salicylaldiminato-κ2N,O)- rhodium(I), [Rh(SB∗)(η4-cod)] (SB* = deprotonated chiral Schiff base = salicylaldiminate; aryl = phenyl (7), 2-methoxyphenyl, 4-methoxyphenyl, 4-bromophenyl, 2-naphthyl). The complexes have been characterized by IR, UV/vis, 1H/13C NMR and mass spectrometry, optical rotation as well as by single-crystal X-ray structure determination for 4, 5 and 7. The structure of 5 shows C-Br· · ·π contacts. Compound 7 is only the second example of a Rh(η4-cod) complex with a six-membered Rh-N,O-chelate ring

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