Boron tribromide → HCID 20228238, compound

Participants

Reaction Steps

The compound of Example 6 (4.00 g.) was converted in 92% yield to the N-propionyl amide by the method of Example 10. This was reduced to the amine in 65% yield by the method in Example 11 and this was demethylated with BBr3 by the method of Example 7 in 80% yield to give the desired product, m.p. 192°-195° C.

Provenance & Evidence