complexes are not exhibited phosphorescence at room temperature but are exhibited at low temperature, 77 K. All the new platinum(II) complexes have been fully characterized by spectroscopic analysis as well as elemental analysis, and the trans square-planar arrangement at the platinum centre has been confirmed by single-crystal X-ray diffraction study of complex 2a.
一系列有机
硫官能化的反
铂(II)双(烯基芳基炔基)配合物,在每个烯基主链中具有一个
甲苯硫基,通式为反式-[(PEt 3)2 Pt C C-Ar-CH CH(SC 6 H 4 CH 3)} 2 ],(2a - 2d),(其中Ar =亚苯基,亚
联苯基,2,5-二甲基亚苯基和2,5-二甲氧基亚苯基)以良好的收率和良好的区域选择性合成。与反式的吸收带相比-
铂(II)双(alkynylarylalkynyl)配合物,我们发现,最低能量的吸收带中的位置的反式-
铂(II)双(alkenylarylalkynyl)复合物红移,所述的官能化之后的反式-
铂(II )双(炔基芳基炔基)与芳
硫醇的配合物。对于所有反式-
铂(II)配合物,在室温下于
氯仿溶液中于362-394 nm范围内,在UV / Vis光谱中具有最低的能量吸收带,并且在最大吸收波长的激发下表现出发射室温下最大峰值在401–426 nm范围内。新