(+)-Carpamic acid [(2'R, 5'S, 6'S)-8-(5'-hydroxy-6'-methylpiperidin-2'-yl)octanoic acid, 1] was synthesized from (S)-alanine, employing intramolecular and reductive amination of acyclic amino ketone 8 as the key step to generate the piperidine ring. (c) 2007 Elsevier Ltd. All rights reserved.
(+)-Carpamic酸[(2'R,5'S,6'S)-8-(5'-羟基-6'-甲基
哌啶-2'-基)
辛酸,1]通过以(S)-丙
氨酸为原料,以内源性和还原性胺化反应为关键步骤,生成
哌啶环。© 2007 Elsevier Ltd. 保留所有权利。