N-Heterocyclic Carbene-Mediated Ring Opening of Reduced Diazamagnesacycles
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DOI: 10.1021/acs.organomet.0c00620
Abstract: Using a bis(N-heterocyclic carbene) ligand system, we have synthesized magnesium complexes bearing redox-active α-diimines and observed structural rearrangements promoted by dynamic N-heterocyclic ... read more here.
Keywords: ring opening; opening reduced; carbene; carbene mediated ... See more keywords
An N-Heterocyclic Carbene-Mediated, Enantioselective and Multicatalytic Strategy to Access Dihydropyranones in a Sequential Three-Component One-Pot Reaction.
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DOI: 10.1021/acs.orglett.7b02889
Abstract: The multicatalytic generation of 3,5,6-trisubstituted 3,4-dihydropyranones with high enantioselectivity using a highly convergent strategy starting from commercially available precursors is reported. The operationally simple three-step, one-pot protocol merges H-bond and NHC catalysis to provide crucial,… read more here.
Keywords: one pot; reaction; carbene mediated; strategy ... See more keywords
Ruthenium Carbene-Mediated Construction of Strained Allenes via the Enyne Cross-Metathesis/Cyclopropanation of 1,6-Enynes.
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DOI: 10.1021/acs.orglett.9b04662
Abstract: Herein, we report on the unprecedented dimerization of 1,6-enynes using a commercially available ruthenium complex RuCl2(PPh3)3, which results in a series of bicyclo[3.1.0]hexyl allene derivatives in moderate to excellent yields. Mechanistic investigation indicates that the… read more here.
Keywords: ruthenium; mediated construction; ruthenium carbene; carbene mediated ... See more keywords