Three-component synthesis of functionalized 5-oxo-4,5-dihydroindeno[1,2-b]pyrans

Protonation of the reactive intermediates produced in the reaction between alkyl(aryl) isocyanides and dialkyl acetylenedicarboxylates by indan-1,3-dione leads to vinylnitrilium cations, which undergo carbon centered Michael type addition with the conjugate base of the CH-acid to produce functionali...

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Bibliographic Details
Published in:Molecular diversity 2006-05, Vol.10 (2), p.265-270
Main Authors: Yavari, Issa, Sirouspour, Mehdi, Souri, Sanaz
Format: Article
Language:English
Subjects:
Alkynes
Cyanides - chemistry
Fatty Acids, Unsaturated - chemistry
Magnetic Resonance Spectroscopy
Pyrans - chemical synthesis
Pyrans - chemistry
Risk assessment
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Summary:Protonation of the reactive intermediates produced in the reaction between alkyl(aryl) isocyanides and dialkyl acetylenedicarboxylates by indan-1,3-dione leads to vinylnitrilium cations, which undergo carbon centered Michael type addition with the conjugate base of the CH-acid to produce functionalized 5-oxo-4,5-dihydroindeno[1,2-b]pyrans.
ISSN:1381-1991
1573-501X
DOI:10.1007/s11030-006-9022-8