E-8-(4-Acetoxy-3-methoxybenzylidene)-5,6,7,8-tetrahydro-4-methylquinoline → E-5,6,7,8-Tetrahydro-8-[4-hydroxy-3-methoxybenzylidene]-4-methylquinoline

Participants

Reaction Conditions

Reaction Steps

E-8-(4-Acetoxy-3-methoxybenzylidene)-5,6,7,8-tetrahydro-4-methylquinoline, HCl (from Example 1) (1.3 g) was dissolved in 2N HCl (20 ml) and heated at 90° C. for 4 hours. The resulting red solid was removed by filtration, washed with a small amount of ether and finally dried to give the title compound as the hydrochloride salt (1.15 g) m.p. 285°-287° C.

Provenance & Evidence