Journal of Organic Chemistry p. 9975 - 9980 (2013)
Update date:2022-07-29
Topics:
Korenaga, Toshinobu
Ko, Aram
Shimada, Kazuaki
Rhodium-catalyzed asymmetric 1,4-addition of arylboronic acids to α,β-unsaturated carbonyl compounds was achieved at temperatures below 0 C using a Rh/MeO-F12-BIPHEP catalyst. The reaction of cyclohexenone or N-R-maleimide with arylboronic acids proceeded even at -80 C in the presence of the Rh catalyst. In the latter case, high enantioselectivity was observed because a low-temperature method was used, regardless of the type of substituent on maleimide.
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