2026-04-17T02:21:16Zhttps://recercat.cat/oai/request

oai:recercat.cat:2072/3740012024-12-20T22:14:09Zcom_2072_300912com_2072_4427col_2072_301309

00925njm 22002777a 4500 dc Sanjosé-Orduna, Jesús author Benet-Buchholz, Jordi author Pérez-Temprano, Mónica H. author 2019-06-20 This Forum Article describes the reactivity and regioselectivity of the insertion of electrophiles, such as alkynes and alkenes, into Co–C bonds in the context of Cp*Co-catalyzed C–H functionalization reactions. The mechanistic investigation, using diphenylacetylene as the model system, reveals that the rate-determining step of the insertion process depends on the temperature. The reaction of a catalytically relevant cobaltacycle, [Cp*CoIII(2-ppy)(MeCN)](BF4), with selected terminal electrophiles, such as phenylacetylene, styrene, and vinyl acetate, unravels different insertion modes depending on the nature of the unsaturated molecule. The inserted products were fully characterized by NMR spectroscopy, electrospray ionization mass spectrometry, and single-crystal X-ray diffraction. In addition, we performed a kinetic study to establish their relative reactivity. http://hdl.handle.net/2072/374001 https://doi.org/10.1021/acs.inorgchem.9b01111 Unravelling MoIecular Aspects of the Migratory Insertion Step in Cp*CoIII Metallacyclic Systems