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- Title
A one pot synthesis of fused chromenones.
- Authors
Patel, Kaushal P.
- Abstract
A new class of compounds, 7-hydroxy-9,10-dihydroindeno[5,4-c]chromene-6,11-dione 2a-e, 7-hydroxy-10,11-dihydro-6H-naphtho[2,1-c]chromene-6,12(9H)-dione 2f-j and 7-hydroxy-10,10-dimethyl-10,11-dihydro-6H-naphtho[2,1-c]chromene-6,12(9H)-dione 2k-o have been synthesized by reacting various 1-(2-oxo-2-(2-oxo-2H-chromen-3-yl)ethyl)pyridinium bromides 1a-e with 1,3-cyclopentandione, 1,3-cyclohexandione and dimedone respectively in the presence of sodium acetate in refluxing glacial acetic acid. Thus, new fused chromenones derivatives are synthesized and characterized by analytical and spectral data.
- Subjects
CHROMONES; MICHAEL reaction; MASS spectrometry; HYDROGEN bonding; NUCLEAR magnetic resonance; NAPHTHALENONES
- Publication
ARKIVOC: Online Journal of Organic Chemistry, 2013, p14
- ISSN
1551-7004
- Publication type
Article