4-Methoxy-3-buten-2-one is a reactant in the synthesis of hydroisoquinoline derivatives as an intermediate for the synthesis of manzamine.A reactant in the synthesis of hydroisoquinoline derivatives as an intermediate for the synthesis of manzamine 4-Methoxy-3-buten-2-one is a reactant in the synthesis of hydroisoquinoline derivatives as an intermediate for the synthesis of manzamine. A reactant in the synthesis of hydroisoquinoline derivatives as an intermediate for the synthesis of manzamine