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A Facile One-Pot Synthesis of Chromen-2-one Derivatives Fused with Five Membered Heterocycles
Corresponding Author(s) : S. Tasqeeruddin
tasqeeruddin@gmail.com
Asian Journal of Chemistry,
Vol. 25 No. 12 (2013): Vol 25 Issue 12
Abstract
A facile one-pot synthesis of 3-benzoxazol-2-yl-chromen-2-ones (4) by the condensation of chromen-2-one-3-carboxylates (1) with o-hydroxy aniline (3) is being reported in this paper. Alternatively 3-benzoxazol-2-yl-chromen-2-ones are prepared from chromen-2-one-3-carboxylic acids (2). The structures of all the products have been established by their spectral and analytical data.
Keywords
Chromen-2-one-3-carboxylates
Chromen-2-one-3-carboxylic acid
o-Hydroxy aniline
Polyphosphoric acid
Tasqeeruddin, S., S. Al-Arifi, A., & Dubey, P. (2013). A Facile One-Pot Synthesis of Chromen-2-one Derivatives Fused with Five Membered Heterocycles. Asian Journal of Chemistry, 25(12), 6987–6888. https://doi.org/10.14233/ajchem.2013.14948
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