Synthesis of β-alkyl cyclopentanones in high enantiomeric excess via copper-catalyzed asymmetric conjugate reduction [17]
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Moritani, Yasunori,Appella, Daniel H.,Jurkauskas, Valdas,Buchwald, Stephen L.
p. 6797 - 6798
(2007/10/03)
Catalytic asymmetric conjugate addition of Grignard reagents mediated by copper(I)-chiral bidentate phosphine complex
A catalytic amount of a chiral phosphine I-copper iodide complex catalyzes the conjugate addition of organomagnesium chlorides to cycloalkenones and pentenolide to give the corresponding addition products in 94-72% ee.
Kanai, Motomu,Tomioka, Kiyoshi
p. 4275 - 4278
(2007/10/02)
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