Reuse of chiral cationic Pd-phosphinooxazolidine catalysts in ionic liquids: highly efficient catalytic asymmetric Diels-Alder reactions.
Chiral cationic palladium-phosphinooxazolidine catalysts in ionic liquid afforded excellent enantioselectivity in Diels-Alder reactions and the catalyst was easily recycled eight times without any significant decrease in chemical yields or enantioselectivity (89-99%, 88-99% ee).
Takahashi
Kouichi
K
Tohoku Pharmaceutical University, 4-4-1 Komatsushima, Sendai 981-8558, Japan.
Nakano
Hiroto
H
Fujita
Reiko
R
D002384:Catalysis; D002412:Cations / Q000737:chemistry*; D006571:Heterocyclic Compounds / Q000737:chemistry; D052578:Ionic Liquids / Q000737:chemistry*; D015394:Molecular Structure; D009942:Organometallic Compounds / Q000737:chemistry*; D010165:Palladium; D013237:Stereoisomerism
D002412:Cations; D006571:Heterocyclic Compounds; D052578:Ionic Liquids; D009942:Organometallic Compounds; C518219:palladium-phosphinooxazolidine; D010165:Palladium