Collect. Czech. Chem. Commun. 1982, 47, 2140-2144

3-Ethoxy-2-hydroxybenzaldehyde as a starting compound for synthesis of isoquinoline alkaloids

Jan Šmidrkal

Research Institute of Fat Industry, 269 01 Rakovnik


3-Ethoxy-2-hydroxybenzaldehyde (I) was used to prepare 6-bromo-2,3-dihydroxybenzaldehyde (V), 6-bromo-2,3-methylenedioxybenzaldehyde (VIa), 6-bromo-2,3-methylenedioxybenzoic acid (VIIa), and for new synthesis of compounds II, IIIa, IIIb, IV, VIb, VIIb, VIIIa, VIIIb, IXa and IXb.