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Gold-catalyzed oxidation of arylallenes: Synthesis of quinoxalines and benzimidazoles.

ABSTRACT: A gold-catalyzed oxidation of arylallenes to form ?-diketones and aldehydes in good yields is presented. Further directed synthesis of quinoxalines and benzimidazoles, via the condensation of the resulting ?-diketones and aldehydes with benzene-1,2-diamine, was achieved in high yields.

SUBMITTER: Cui DM 

PROVIDER: S-EPMC3135117 | biostudies-literature | 2011

REPOSITORIES: biostudies-literature

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Gold-catalyzed oxidation of arylallenes: Synthesis of quinoxalines and benzimidazoles.

Cui Dong-Mei DM   Zhuang Dan-Wen DW   Chen Ying Y   Zhang Chen C  

Beilstein journal of organic chemistry 20110624

A gold-catalyzed oxidation of arylallenes to form α-diketones and aldehydes in good yields is presented. Further directed synthesis of quinoxalines and benzimidazoles, via the condensation of the resulting α-diketones and aldehydes with benzene-1,2-diamine, was achieved in high yields. ...[more]

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