Boron tribromide → HCID 12833521, compound

Participants

Reaction Steps

Substituting a stoichiometric quantity of 2-fluoro-3,4-dimethoxyphenethylamine in the synthetic procedure of Example 1 gave 6-fluoro-7,8-dimethoxy-1-(1-methoxyphenyl)-2,3,4,5-tetrahydro-1H-3-benzazepine as a yellow oil. Hydrolysis with boron tribromide gave 6-fluoro-7,8-dihydroxy-1-(p-hydroxyphenyl)-2,3,4,5-tetrahydro-1H-3-benzazepine hydrobromide, m.p. 277° (dec.). Substituting appropriate bromo starting material in the methods described herein gave 6-bromo-7,8-dimethoxy-1-(p-methoxyphenyl)-2,3,4,5-tetrahydro-1H-3-benzazepine then hydrolysis with boron tribromide gave 6-bromo-7,8-dihydroxy-1(p-hydroxyphenyl)-2,3,4,5-tetrahydro-1H-3-benzazepine hydrobromide, m.p. 254° (dec.).

Provenance & Evidence