Simple synthesis of pyrrolo[3,2-e]indole-1-carbonitriles

Alkylation of 5-nitroindol-4-ylacetonitriles with ethyl chloroacetate, α-halomethyl ketones, and chloroacetonitrile followed by a treatment of the products with chlorotrimethylsilane in the presence of DBU gives 1-cyanopyrrolo[3,2-e]indoles substituted in position 2 with electron-withdrawing groups....

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Bibliographic Details
Main Authors: Adam Trawczyński, Robert Bujok, Zbigniew Wróbel, Krzysztof Wojciechowski
Format: Article
Language:English
Published: Beilstein-Institut 2013-05-01
Series:Beilstein Journal of Organic Chemistry
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Online Access:https://doi.org/10.3762/bjoc.9.107
Description
Summary:Alkylation of 5-nitroindol-4-ylacetonitriles with ethyl chloroacetate, α-halomethyl ketones, and chloroacetonitrile followed by a treatment of the products with chlorotrimethylsilane in the presence of DBU gives 1-cyanopyrrolo[3,2-e]indoles substituted in position 2 with electron-withdrawing groups.
ISSN:1860-5397