π−π Interactions in Organometallic Systems. Crystal Structures and Spectroscopic Properties of Luminescent Mono-, Bi-, and Trinuclear Trans-cyclometalated Platinum(II) Complexes Derived from 2,6-Diphenylpyridine
作者:Wei Lu、Michael C. W. Chan、Kung-Kai Cheung、Chi-Ming Che
DOI:10.1021/om0009839
日期:2001.6.1
dicyclometalated platinum(II) complexes, namely, [Pt(C∧N∧C)L1] [HC∧N∧CH = 2,6-diphenylpyridine; L1 = 4-tert-butylpyridine (1), 1-methyl-4,4‘-bipyridinium (MQ+) hexafluorophosphate (2(PF6)), 2,6-dimethylphenylisocyanide (4), tricyclohexylphosphine (5), triphenylphosphine (7)], [Pt2(C∧N∧C)2(μ-L2)] [L2 = pyrazine (pyr; 3), bis(dicyclohexylphosphino)methane (dcpm; 6), bis(diphenylphosphino)methane (dppm; 8)], and
一系列单和多核dicyclometalated铂(II)配合物,即[PT(C的∧ Ñ ∧ c ^)L- 1 ] [HC ∧ Ñ ∧ CH = 2,6-二苯基吡啶; L 1 = 4-叔丁基吡啶(1),1-甲基-4,4'-联吡啶(MQ +)六氟磷酸盐(2(PF 6)),2,6-二甲基苯基异氰化物(4),三环己基膦(5),三苯基膦(7)],[铂2(C ∧ ñ ∧ C)2(μ-L 2)] [L 2=吡嗪(PYR; 3),双(二环己基膦)甲烷(DCPM; 6),双(二苯基膦基)甲烷(DPPM; 8)],以及[PT 3(C ∧ Ñ ∧ C)3(μ 3 -dpmp)] [DPMP =双(二苯基膦基)苯基膦(9)],从合成的[PT(C ∧ ñ ∧ C)DMSO(DMSO =二甲亚砜)。的X射线晶体结构1,3 ·氯仿3,4,6 ·氯仿3 ·CH 3 OH·4H 2 O,7,已确定8(黄色形式)和8 ·CHCl