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Synthesis 2009(4): 587-590
DOI: 10.1055/s-0028-1083312
DOI: 10.1055/s-0028-1083312
PAPER
© Georg Thieme Verlag
Stuttgart ˙ New York
An Efficient Route to 1-Vinylpyrrole-2-carbaldehydes
Further Information
Received
9 September 2008
Publication Date:
12 January 2009 (online)
Publication History
Publication Date:
12 January 2009 (online)

Abstract
1-Vinylpyrroles are formylated by the N,N-dimethylformamide/oxalyl chloride reagent system (CH2Cl2, r.t., 40 min) to give the corresponding 1-vinylpyrrole-2-carbaldehydes in yields up to 97%.
Key words
aldehydes - pyrroles - formylation - oxalyl chloride - Vilsmeier-Haack reaction
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