5-propan-2-ylbenzene-1,3-diol

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: 5-Isopropyl resorcinol (5.40 g), N-isopropyl-4-piperidone (5.00 g) and 12 ml acetic acid was treated with HCl as described in Example I to give 5.48 g product (50% yield); m.p. 247°-248°.

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: 5-Isopropyl resorcinol (20.2 g), N-benzyl-4-piperidone (24.6 g) and 45 ml acetic acid was treated with HCl gas as described in Example VI to give 39.15 g product, m.p. 286°-288°.