Application of 301224-40-8, Children learn through play, and they learn more than adults might expect. Science experiments are a great way to spark their curiosity, get their minds active, and encourage them to do something that doesn’t involve a screen. 301224-40-8, C31H38Cl2N2ORu. A document type is Article, introducing its new discovery.
Synthesis and Evaluation of Ruthenium 2-Alkyl-6-mercaptophenolate Catalysts for Olefin Metathesis
A series of ruthenium carbene catalysts containing 2-sulfidophenolate bidentate ligand with an ortho-substituent next to the oxygen atom were synthesized. The molecular structure of ruthenium carbene complex containing 2-isopropyl-6-sulfidophenolate ligand was confirmed through single crystal X-ray diffraction. An oxygen atom can be found in the opposite position of the N-heterocyclic carbene (NHC) based on the steric hindrance and strong trans-effects of the NHC ligand. The ruthenium carbene catalyst can catalyze ring-opening metathesis polymerization (ROMP) reaction of norbornene with high activity and Z-selectivity and cross metathesis (CM) reactions of terminal alkenes with (Z)-but-2-ene-1,4-diol to give Z-olefin products (Z/E ratios, 70:30?89:11) in low yields (13%?38%). When AlCl3 was added into the CM reactions, yields (51%?88%) were considerably improved and process becomes highly selective for E-olefin products (E/Z ratios, 79:21?96:4). Similar to other ruthenium carbene catalysts, these new complexes can tolerate different functional groups.
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Reference£º
Highly efficient and robust molecular ruthenium catalysts for water oxidation,
Catalysts | Special Issue : Ruthenium Catalysts – MDPI