铜(II)萘醌双官能化反应催化合成苯并[ f ]吡啶并[1,2 - a ]吲哚-6,11-二酮衍生物
摘要:
苯并[ f ]吡啶基[1,2 - a ]吲哚-6,11-二酮通过铜(II)催化的酰基溴,1,4-萘醌和吡啶的三组分反应(或异喹啉)通过萘醌的sp 2 -CH双官能化,然后进行分子内环化和氧化芳构化。为了扩大反应范围并澄清反应机理,使用1,3-二羰基化合物代替酰基溴参与了该反应,并使用了苯并[ f ]吡啶基[1,2- a ]还以优异的产率获得了吲哚-6,11-二酮衍生物。
Copper(II)-Catalyzed Synthesis of Benzo[<i>f</i>]pyrido[1,2-<i>a</i>]indole-6,11-dione Derivatives via Naphthoquinone Difunctionalization Reaction
作者:Yun Liu、Jin-Wei Sun
DOI:10.1021/jo2023312
日期:2012.1.20
and pyridine (or isoquinoline) via sp2–C–H difunctionalization of naphthoquinone followed by intramolecular cyclization and oxidative aromatization. In an attempt to expand the reaction scope and to help clarify the reaction mechanism, 1,3-dicarbonyl compounds are used in place of acyl bromides to take part in this reaction, and the benzo[f]pyrido[1,2-a]indole-6,11-diones derivatives are also obtained
苯并[ f ]吡啶基[1,2 - a ]吲哚-6,11-二酮通过铜(II)催化的酰基溴,1,4-萘醌和吡啶的三组分反应(或异喹啉)通过萘醌的sp 2 -CH双官能化,然后进行分子内环化和氧化芳构化。为了扩大反应范围并澄清反应机理,使用1,3-二羰基化合物代替酰基溴参与了该反应,并使用了苯并[ f ]吡啶基[1,2- a ]还以优异的产率获得了吲哚-6,11-二酮衍生物。