Bartolomé Camino, Carrasco-Rando Marta, Coco Silverio, Cordovilla Carlos, Martín-Alvarez Jose M, Espinet Pablo
IU CINQUIMA/Química Inorgánica, Facultad de Ciencias, Universidad de Valladolid, E-47071 Valladolid, Spain.
Inorg Chem. 2008 Mar 3;47(5):1616-24. doi: 10.1021/ic702201e. Epub 2008 Feb 1.
Isocyanide [AuX(CNPy-2)] (X = Cl, C6F5, fluoromesityl, 1/2 octafluorobiphenyl) and carbene [AuX{C(NR1R2)(NHPy-2)}] (R1R2NH = primary or secondary amines or 1/2 primary diamine) gold(I) complexes have been synthesized and characterized. For X = Cl, the carbene complexes show aurophilic interactions. The fragment NHPy-2, formed in the carbenes, can give rise to intra- (for primary amines) or intermolecular (for secondary amines) hydrogen bonds, depending on the amine used. These bonds and contacts have been studied in the solid state and in solution. The intermolecular hydrogen bonds are split in an acetone solution, but the intramolecular ones, which close a six-membered ring, survive in solution. Except for the fluoromesityl derivatives, the carbene complexes display luminescent properties.
异腈[AuX(CNPy-2)](X = Cl、C6F5、氟代均三甲苯基、1/2八氟联苯)和卡宾[AuX{C(NR1R2)(NHPy-2)}](R1R2NH = 伯胺或仲胺或1/2伯二胺)金(I)配合物已被合成并表征。对于X = Cl,卡宾配合物表现出亲金相互作用。在卡宾中形成的片段NHPy-2,根据所使用的胺的不同,可产生分子内(对于伯胺)或分子间(对于仲胺)氢键。这些键和相互作用已在固态和溶液中进行了研究。分子间氢键在丙酮溶液中会分裂,但形成六元环的分子内氢键在溶液中仍然存在。除了氟代均三甲苯基衍生物外,卡宾配合物具有发光特性。