Rhodium-Catalyzed Acyl-Transfer Reaction between Benzyl Ketones and Thioesters: Synthesis of Unsymmetric Ketones by Ketone CO–C Bond Cleavage and …

…, M Kuwajima, F Toriyama, G Li, M Yamaguchi

Index: Arisawa, Mieko; Kuwajima, Manabu; Toriyama, Fumihiko; Li, Guangzhe; Yamaguchi, Masahiko Organic Letters, 2012 , vol. 14, # 14 p. 3804 - 3807

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Citation Number: 21

Abstract

In the presence of catalytic amounts of RhH (CO)(PPh3) 3 and 1, 2-bis (diphenylphosphino) benzene (dppBz), acyl groups were transferred between benzyl ketones and thioesters/aryl esters. The rhodium complex catalyzed the cleavage of ketone CO–C bonds and intermolecular rearrangement giving unsymmetric ketones. The acyl-transfer reaction also occurred with 1-(p-chlorophenyl)-3-(p-cyanophenyl) propane-2-one giving unsymmetric ...

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