Smarun A V, Duzhin F, Petković M, Vidović D
Department of Chemistry and Biological Chemistry, Nanyang Technological University, 21 Nanyang Link, Singapore.
School of Physical and Mathematical Sciences, Division of Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 63737.
Dalton Trans. 2017 Oct 24;46(41):14244-14250. doi: 10.1039/c7dt03041j.
Complex [Cp*Ru(NCMe)][PF], 1a, has been identified as a cis-to-trans isomerization catalyst of various non-conjugated cis-polyalkenes under exceptional kinetic control as no alkene conjugation was observed. According to the experimental and theoretical data, the cis-trans isomerization occurred via an alkene-assisted mechanism in which one cis-double bond always served as an anchoring site. Using a combination of multinuclear NMR spectroscopic evidence and mathematical methods it was possible to determine the extent of trans isomerization.
配合物[Cp*Ru(NCMe)][PF]，即1a，已被确定为各种非共轭顺式聚烯烃的顺反异构化催化剂，在特殊的动力学控制下，未观察到烯烃共轭现象。根据实验和理论数据，顺反异构化通过烯烃辅助机制发生，其中一个顺式双键始终作为锚定位点。结合多核核磁共振光谱证据和数学方法，可以确定反式异构化的程度。
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