Hanekom Dirk, McKenzie Jean M, Derix Nocky M, Koch Klaus R
Department of Chemistry, University of Stellenbosch, Private Bag X1, Matieland, 7602, Stellenbosch, South Africa.
Chem Commun (Camb). 2005 Feb 14(6):767-9. doi: 10.1039/b415306e. Epub 2004 Dec 21.
In acetonitrile solutions at room temperature, cis-[M(L-S,O)2] Pt(II) and Pd(II) complexes of N,N-diethyl-N'-3,4,5-trimethoxybenzoylthiourea undergo reversible photoinduced isomerisation to the corresponding trans isomer upon irradiation with visible light in the 320-570 nm range, the rate and extent of isomerisation being significantly higher for the cis-[Pd(L-S,O)2] complex compared to the Pt(II) analogue; in the dark trans-[M(L-S,O)2] cleanly reverts back to the cis complex at a rate dependent on the solution temperature, indicating a thermally controlled reverse process.
在室温下的乙腈溶液中，N,N-二乙基-N'-3,4,5-三甲氧基苯甲酰基硫脲的顺式-[M(L-S,O)₂] Pt(II)和Pd(II)配合物在320 - 570 nm范围内的可见光照射下会发生可逆的光致异构化，生成相应的反式异构体，与Pt(II)类似物相比，顺式-[Pd(L-S,O)₂]配合物的异构化速率和程度明显更高；在黑暗中，反式-[M(L-S,O)₂]会以取决于溶液温度的速率完全恢复为顺式配合物，这表明存在一个热控的逆过程。
