Y. Yamaoka, H. Miyabe, Y. Takemoto
May 8, 2007
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210
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Journal
Journal of the American Chemical Society
Abstract
A newly designed thiourea catalyst provides sufficient activation of organoboronic acids to facilitate the enantioselective Petasis transformation of quinolines even at low temperatures. A high degree of stereocontrol was achieved in the reaction of various quinolines and organoboronic acids by using a combination of H2O and NaHCO3 as additives.