Synthesis and Structural Characterization of New Cu(I) Complexes with the Antithyroid Drug 6-<i>n</i>-Propyl-thiouracil. Study of the Cu(I)-Catalyzed Intermolecular Cycloaddition of Iodonium Ylides toward Benzo[<i>b</i>]furans with Pharmaceutical Implementations
作者:K. Paizanos、D. Charalampou、N. Kourkoumelis、D. Kalpogiannaki、L. Hadjiarapoglou、A. Spanopoulou、K. Lazarou、M. J. Manos、A. J. Tasiopoulos、M. Kubicki、S. K. Hadjikakou
DOI:10.1021/ic3014255
日期:2012.11.19
activity on the intermolecular cycloaddition of iodonium ylides toward benzo[b]furans formation. The results show that both the metal and the ligand type affect the catalytic affinity of the complexes. The highest yield of benzo[b]furan was derived when complexes 2, 3, and 4 were used as catalysts. The mechanism of the Cu(I)-catalyzed and uncatalyzed intramolecular cycloaddition of iodonium ylide has been
在存在或不存在摩尔比为1:1:2的三苯基膦(tpp)或三(对甲苯基)膦(tptp)的情况下,碘化亚铜(I)与6-正丙基硫氧嘧啶(ptu)的反应形成具有式[CuI(ptu)2 ](甲苯)(1),[CuI (tpp)2(ptu)](2)和[CuI(tptp)2(ptu)]的混合配体Cu(I)配合物(3)。该复合物已通过FT-IR,1 H NMR,UV-vis,光谱技术和单晶X射线晶体学进行了表征。来自两个ptu配体的两个硫原子和一个碘化物在1的金属中心周围形成三角几何形状。通过氢键的分子内相互作用导致具有Z字形构象的弯曲带状聚合物超分子结构。在2和3的情况下,来自两个芳基膦的两个磷原子,一个硫原子和一个碘化物阴离子在铜离子周围形成四面体。分子内氢键相互作用导致二聚化。配合物1 - 3和已经公知的有式中,[(TPSB)2的Cu(μ 2 -I)2的Cu(TPSB)2 ](4)(TBSB =三苯),[(TPP)的Cu(μ