On the chemistry of α-formyl-2-hydroxyac
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Széll, T. ;Sohár, P. ;Horváth, Gy.
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Article
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1995
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John Wiley and Sons
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English
⚖ 169 KB
## Abstract The title compound 1 undergoes cyclization and self‐condensation in the presence of dil. NaOH yielding chromone (2) and/or 1‐(3‐chromonyl)‐2‐(2‐hydroxybenzoyl)ethene (3). With benzaldehyde in the presence of piperidine in boiling ethanol, 1 reacts both by cyclization, and self‐condensat