Dinuclear Pd(II) and Pt(II) compounds bearing a bridging π-conjugated moiety: synthesis and reactivity toward alkynes and isocyanides
作者:Young-Sung Han、Kang-Yeoun Jung、Yong-Joo Kim、Gang Min Lee、Soon W. Lee
DOI:10.1080/00958972.2018.1508660
日期:2018.10.18
Abstract Dinuclear Pd(II) halides that contain bridging π-conjugated groups, trans,trans-[(PR3)2(X)Pd–Y–Pd(X)(PR3)2] (X = Br; YH2 = terpyridine, fluorenone, benzil, benzthiadiazole), were prepared by the oxidative addition of corresponding dihalo π-conjugated reagents to [Pd(styrene)(PR3)2]. Similar reactions involving dihalobenzil, dihalobithiophene, or dihaloterthiophene afforded dinuclear Pt(II) halides
摘要 双核 Pd(II) 卤化物,包含桥接 π 共轭基团,trans,trans-[(PR3)2(X)Pd–Y–Pd(X)(PR3)2] (X = Br; YH2 = terpyridine, 芴酮通过将相应的二卤 π 共轭试剂氧化加成到 [Pd(苯乙烯)(PR3)2] 上制备。涉及二卤苯、二卤二噻吩或二卤三噻吩的类似反应提供了含有桥连 π 共轭基团的双核 Pt(II) 卤化物。此外,当二卤硅烷衍生物 2,5-dibromo-1,1-二甲基(或二苯基)-3,4-diphenylsilole}与[Pd(苯乙烯)(PR3)2]反应时,单核或双核Pd(II)配合物得到带有二甲基(或二苯基)-3,4-二苯基甲硅烷基团的化合物。双核联噻吩桥连的 Pd(II) 卤化物与 HC≡C–R R = SiPh3, 在 CuI 和 HNEt2 存在下,C(O)OMe} 导致意外形成 [Pd(C≡C–R)2(PR3)2]