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Synthesis 2007(18): 2872-2886
DOI: 10.1055/s-2007-983842
DOI: 10.1055/s-2007-983842
PAPER
© Georg Thieme Verlag Stuttgart · New York
A One-Pot Fusion of Nitrogen-Containing Heterocycles
Further Information
Received
25 April 2007
Publication Date:
08 August 2007 (online)
Publication History
Publication Date:
08 August 2007 (online)
Abstract
Aromatic and heteroaromatic dialkylaminoaldehydes react with various active methylene compounds in the presence of Me3SiCl to give functionally and structurally diverse pyrrolo[1,2-a]quinolines, pyrido[1,2-a]quinolines, pyrazolo[3,4-e]indolizines, pyrazolo[4,3-c]quinolizines, benzo[g]pyrrolo[1,2-a]-1,8-naphthyridines, and benzo[g]pyrido[1,2-a]-1,8-naphthyridines in high yield and excellent purity.
Key words
pyrazolo[3,4-e]indolizines - pyrazolo[4,3-c]quinolizines - benzo[g]pyrido[1,2-a]-1,8-naphthyridines - ortho-dialkylaminoaldehydes - chlorotrimethylsilane - tert-amino effect
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