Zinc-induced reduction of Ethyl 2-Cyano-3-(4-Oxo-4H-1-Benzopyran-3-Yl)Propenoates – a Medium-Dependent Reaction

Abstract

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Chemistry and application of 4‐oxo‐4H‐1‐benzopyran‐3‐carboxaldehyde

“…Reduction of 108 with Zn in THF containing aqueous NH 4 Cl produces 123 whereas that with Zn in AcOH gives 124 [115].…”