Silica-Supported Molybdenum Alkylidyne N-Heterocyclic Carbene Catalysts for Alkyne Metathesis
05. July, 2018A new class of Mo alkylidyne complexes were immobilized on silica supports bearing N-heterocyclic carbenes and used in 2-alkyne benchmark reactions.
Read moreSynthesis of E- and Z-Trisubstituted Alkenes Using Chemoselective Cross-Metathesis
02. March, 2018Cross-metathesis using E- or Z-trisubstituted alkene precursors give chemoselective and stereoretentive access to linear trisubstituted alkenes with high stereoisomeric purity.
Read moreStabilization of Molybdenum Metathesis Catalysts: The Fürstner Approach
09. January, 2018Air-stable Mo-catalysts were developed by complexation with bidentate N-heterocycles followed by in situ release of the active catalyst.
Read moreStereoselective Catalytic Cross-Metathesis
15. June, 2017Unsaturated organoboron compounds are important reagents in organic synthesis e.g. (pinacolato)allylboron [allyl-B(pin)] are involved in many stereoselective additions while (pinacolato)vinylboron [alkenyl-B(pin)] reagents are used in various catalytic cross coupling reactions.
Read moreActivation of Oxo Tungsten Complexes
12. April, 2017The coordination of B(C6F5)3to an oxo ligand in tungsten oxo alkylidene bis(aryloxide) complexes, where the aryloxide is O-2,6-(mesityl) 2C6H3 (HMTO) or 2,6-diadamantyl-4-methylphenoxide (dAdPO), accelerates the formation of metallacyclobutane complexes from alkylidenes as well as the rearrangement of metallacyclobutane complexes.
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