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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/50428

Title: Thiolate Ligand Transfer from Metallothiolates to Phosphido-Bridged Heterobimetallic Compounds:  C−S Bond Cleavage in Benzenethiol and Formation of a Mixed-Metal Trinuclear Compound
Authors: Hossain, M. M
Lin, H.-M
Shyu, S.-G
Contributors: 國立臺灣海洋大學:生命科學暨生物科技學系
Date: 2003-07
Issue Date: 2018-10-08T03:44:57Z
Publisher: Organometallics
Abstract: Abstract: Thiolate ligand transfer occurred during the reaction between CpMo(CO)3SPh and (1) in dichloromethane at reflux, resulting in the new mixed-metal and mixed-ligand bridged compound (2). However, when CpW(CO)3SPh reacted with 1 under similar conditions, 2 and the mixed-metal trinuclear compound (4) were formed. The presence of the (μ-S)2 bridges in 4 indicates C−S bond cleavage in the SPh ligand. Reflux of a dichloromethane solution of 1 and PhSH also produced 2 along with (3) and (5). Moreover, the same reactants in benzene at reflux gave 2, 3, 5, and the additional product (6). The reaction of 1 with Ph2S2 in dichloromethane at reflux produced compounds 2 and 3. Similarly conducted reactions in benzene at reflux afforded 2, 3, and 6. Compounds 2−6 were characterized by single-crystal X-ray diffraction analyses. Formation of the PPh3 ligand, which coordinated to 6, suggests C−S bond cleavage in PhSH and Ph2S2. Compounds 3, 5, and 6 were also synthesized in high yield by refluxing 2 with PhSH or Ph2S2, PPh2H, and PPh3, respectively, in benzene.
Relation: 22(16) pp.3262-3270
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/50428
Appears in Collections:[生命科學暨生物科技學系] 期刊論文

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