Thermodynamically Favored vs. Kinetically Favored Carbon-Sulfur Bond Activation
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The study of carbon-sulfur bond activation is a topic that receives much attention because of its uses in the petroleum refining process through hydrodesulfurization (HDS). The carbon–sulfur bond activation of thioesters using (dippe)Pt(NBE)2 was studied. It was found that the bond lengths of carbon groups attached to the central Platinum atom increase from 2.099(7) Å in the starting compound to 2.13(2) Å in the transition state. This is important because it helps understanding of sterics and mechanisms for the reaction. Next, the differences between kinetically favored and thermodynamically favored C-S bond activations were compared and one was found more favored as compared to the other. These data could lead to many advances in the study and uses of HDS.
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