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Shadap Lathewdeipor Tyagi Jaya Lakshmi Poluri Krishna Mohan Novikov Sergei Lo Chun-Wan Timothy Mozharivskyj Yurij Kollipara Mohan Rao 《Transition Metal Chemistry》2021,46(3):231-240
Transition Metal Chemistry - Metal complexes 1–9 have been synthesized by reacting the benzothiazole–pyrazole derivative ligands (L1, L2 and L3) with the metal precursors of ruthenium... 相似文献
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Ibaniewkor Lyngdoh Mawnai Sanjay Adhikari Lincoln Dkhar Jaya Lakshmi Tyagi Krishna Mohan Poluri 《Journal of Coordination Chemistry》2019,72(2):294-308
The reaction of [(arene)MCl2]2 with pyridylpyrazolyl ligands (L1 and L2) in the presence of ammonium hexafluorophosphate leads to formation of cationic complexes having the general formula [(arene)M(L)Cl]PF6 {M?=?Ru, arene = p-cymene (1, 4); Cp*, M?=?Rh (2, 5); Cp*, M?=?Ir (3, 6); L?=?2-(1H-pyrazol-1-yl)pyridine (L1), 2-(3,5-dimethyl-1H-pyrazol-1-yl)pyridine (L2)}. Similarly the reaction of [CpRu(PPh3)2Cl] and [(ind)Ru(PPh3)2Cl] (ind?=?η5-C9H7) with L1 and L2 yielded cationic complexes which have been formulated as [(Cp/ind)Ru(L)PPh3]PF6 (7–10). All these complexes were characterized by analytical and spectroscopic techniques. The pyridylpyrazolyl ligands coordinated metal through pyridyl and pyrazolyl nitrogens forming a six-membered metallacycle. The ligands as well as the complexes were evaluated for their in vitro antibacterial activity by agar well diffusion method against two Gram negative bacteria (Escherichia coli and Pseudomonas aeruginosa) and two Gram positive bacteria (Staphylococcus aureus and Bacillus thuriengiensis). Results show that the ligands and the complexes have significant antibacterial activity against Gram negative bacteria. 相似文献
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