1189241-04-0Relevant articles and documents
Synthesis of diverse β-quaternary ketones via palladium-catalyzed asymmetric conjugate addition of arylboronic acids to cyclic enones
Holder, Jeffrey C.,Goodman, Emmett D.,Kikushima, Kotaro,Gatti, Michele,Marziale, Alexander N.,Stoltz, Brian M.
, p. 5781 - 5792 (2015/08/03)
Abstract The development and optimization of a palladium-catalyzed asymmetric conjugate addition of arylboronic acids to cyclic enone conjugate acceptors is described. These reactions employ air-stable and readily-available reagents in an operationally si
Palladium-catalyzed asymmetric conjugate addition of arylboronic acids to five-, six-, and seven-membered β-substituted cyclic enones: enantioselective construction of all-carbon quaternary stereocenters
Kikushima, Kotaro,Holder, Jeffrey C.,Gatti, Michele,Stoltz, Brian M.
supporting information; experimental part, p. 6902 - 6905 (2011/06/19)
The first enantioselective Pd-catalyzed construction of all-carbon quaternary stereocenters via 1,4-addition of arylboronic acids to β-substituted cyclic enones is reported. Reaction of a wide range of arylboronic acids and cyclic enones using a catalyst
Chiral tetrafluorobenzobarrelenes as effective ligands for rhodium-catalyzed asymmetric 1,4-addition of arylboroxines to β,β-disubstituted α,β-unsaturated ketones
Shintani, Ryo,Takeda, Momotaro,Nishimura, Takahiro,Hayashi, Tamio
supporting information; experimental part, p. 3969 - 3971 (2010/09/03)
(Chemical Equotion Present) Lock, Stock and Two Smoking Barrelenes: The rhodium-catalyzed 1,4-addition of readily available arylboronic acid anhydrides to simple β,β-disubstituted α,βunsaturated ketones creates quaternary carbon stereocenters with high enantiomeric excesses using a chiral tetrafluorobenzobarrelene ligand.
Sodium tetraarylborates as effective nucleophiles in rhodium/diene- catalyzed 1,4-addition to β,β-disubstituted α,β-unsaturated ketones: Catalytic asymmetric construction of quaternary carbon stereocenters
Shintani, Ryo,Tsutsumi, Yosuke,Nagaosa, Makoto,Nishimura, Takahiro,Hayashi, Tamio
supporting information; experimental part, p. 13588 - 13589 (2009/12/31)
(Chemical Equation Presented) A rhodium-catalyzed 1,4-addition of sodium tetraarylborates to β,β-disubstituted α,β-unsaturated ketones is described. Highly efficient asymmetric catalysis has also been achieved by employing a readily available chiral diene