Electroreductive acylation of aromatic imines with acylimidazoles
摘要:
The intermolecular reductive coupling of aromatic imines with acylimidazoles was effected by electroreduction in the presence of chlorotrimethylsilane and gave a-amino-a-aryl ketones. This method was also effective for the synthesis of alpha-amino-alpha-aryl esters using methoxycarbonylimidazole as an electrophile. (c) 2007 Elsevier Ltd. All rights reserved.
Electroreductive acylation of aromatic imines with acylimidazoles
摘要:
The intermolecular reductive coupling of aromatic imines with acylimidazoles was effected by electroreduction in the presence of chlorotrimethylsilane and gave a-amino-a-aryl ketones. This method was also effective for the synthesis of alpha-amino-alpha-aryl esters using methoxycarbonylimidazole as an electrophile. (c) 2007 Elsevier Ltd. All rights reserved.
The highly efficient, regioselective, and enantioselective transfer hydrogenation of α-keto ketimines and reductive amination of diketones by Brønstedacidcatalysis is described. A series of chiral α-amino ketones is prepared in high yields (up to >99%), excellent regioselectivities (up to >99:1), and enantioselectivities (up to 98% ee). This method has broad substrate scope.
Electroreductive acylation of aromatic imines with acylimidazoles
作者:Naoki Kise、Shinji Morimoto
DOI:10.1016/j.tet.2007.11.106
日期:2008.2
The intermolecular reductive coupling of aromatic imines with acylimidazoles was effected by electroreduction in the presence of chlorotrimethylsilane and gave a-amino-a-aryl ketones. This method was also effective for the synthesis of alpha-amino-alpha-aryl esters using methoxycarbonylimidazole as an electrophile. (c) 2007 Elsevier Ltd. All rights reserved.