Asymmetric Friedel-Crafts reaction mediated by new chiral auxiliaries derived from (1S)-(-)-beta-pinene: Enantioselective synthesis of (-)-8-norethyl,1'-normethyl etodolac

被引:23
作者
Costa, PRR
Cabral, LM
Alencar, KG
Schmidt, LL
Vasconcellos, MLAA
机构
[1] Nucleo de Pesq. de Produtos Naturais, Ctro. de Cie. da Saúde, Univ. Federal do Rio de Janeiro, 21941-590, Rio de Janeiro, bloco H
关键词
D O I
10.1016/S0040-4039(97)01658-4
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
(-)-8-Norethyl, 1'-normethyl Etodolac (-)-7 was synthesized in ee up to 95% from a Friedel-Crafts alkylation reaction between tryptophol 4 and the chiral beta-ketobutyrate 5h, followed by hydrolysis. (C) 1997 Elsevier Science Ltd.
引用
收藏
页码:7021 / 7024
页数:4
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