Synthesis and reactivity of 3-(1-hydroxy-3-buten-1-yl) chromone

P Karmakar, T Ghosh, D Chakrabarty…

Index: Karmakar, Partha; Ghosh, Tarun; Chakrabarty, Debasish; Maiti, Sourav; Bandyopadhyay, Chandrakanta Journal of Chemical Research, 2008 , # 4 p. 208 - 211

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Abstract

Zn-induced allylation of chromone-3-carbaldehyde 1 produces 3-(1-hydroxy-3-butene-1-yl)chromone 2, which gives back 1 on treatment with formalin under acidic conditions, and reacts differently towards nitrogenous nucleophiles. ... Keywords: allylation, oxonia-Cope rearrangement, 3-formylchromone, Schiff bases, 1-benzopyrans ... Prins reaction on homoallyl alcohol has drawn much attention in recent years as it provides an easy route for the synthesis of ...