Journal
JOURNAL OF ORGANOMETALLIC CHEMISTRY
Volume 694, Issue 25, Pages 4008-4013Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jorganchem.2009.08.034
Keywords
Iridium; Rhodium; Half-sandwich complexes; Molecular structures
Categories
Funding
- National Science Foundation of China [20531020, 20721063, 20771028]
- Shanghai Science and Technology Committee [08DZ2270500, 08DJ1400103]
- Shanghai Leading Academic Discipline Project [B108]
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A series of neutral pyridine-based organochalcogen ligands, 2,6-bis(1-methylimidazole-2-thione) pyridine (Bmtp), 2,6-bis(1-isopropylimidazole-2-thione) pyridine (Bptp), and 2,6-bis(1-tert-butylimidazole2-thione) pyridine (Bbtp) have been synthesized and characterized. Reactions of [Cp*M(mu-Cl)Cl](2) (Cp* = eta(5)-pentamethylcyclopentadienyl, M = Ir, Rh) with three pyridine-based organochalcogen ligands result in the formation of the complexes Cp*M(L)Cl-2 (M = Ir, L = Bmtp, 1a center dot Cl-2; M = Rh, L = Bmtp, 1b center dot Cl-2; M = Ir, L = Bptp, 2a center dot Cl-2; M = Rh, L = Bptp, 2b center dot Cl-2; M = Ir, L = Bbtp, 3a center dot Cl-2; M = Rh, L = Bbtp, 3b center dot Cl-2), respectively. All compounds have been characterized by elemental analysis, NMR and IR spectra. The molecular structures of Bbtp, 1a center dot Cl-2, 1b center dot Cl-2, 2b center dot Cl-2 and 3b center dot Cl-2 have been determined by X-ray crystallography. (C) 2009 Elsevier B. V. All rights reserved.
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