The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature. 1119-97-7, Name is MitMAB, SMILES is CCCCCCCCCCCCCC[N+](C)(C)C.[Br-], in an article , author is Eivgi, Or, once mentioned of 1119-97-7, Name: MitMAB.
Latent, Yet Highly Active Photoswitchable Olefin Metathesis Precatalysts Bearing Cyclic Alkyl Amino Carbene (CAAC)/Phosphite Ligands
The ligand shell that surrounds an active metal center has a paramount effect on its reactivity and properties. In this work, the photoswitchable nature of phosphite olefin metathesis precatalysts and the robustness of cyclic alkyl amino carbene (CAAC) ligands are combined. Also, the synthesis, characterization, and photoactivity of two ruthenium indenylidene complexes bearing a CAAC/phosphite ligand system are reported. Exposure to 405 nm light efficiently activates the precatalysts and promotes a wide range of olefin metathesis reactions. Moreover, the catalysts display formidable latency at ambient temperatures, even with the highly reactive dicyclopentadiene and its derivatives, allowing the preparation of stable monomer-catalyst formulations with a long pot life. In addition, the chemoselectivity of CAAC catalysts is preserved, preventing olefin migration reactions at elevated temperatures and allowing efficient recycling for multiple reaction cycles under air.
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Reference:
Metal catalyst and ligand design,
,Ligand Template Strategies for Catalyst Encapsulation – NCBI