p-Toluenesulfonic acid → HCID 68988088, compound

Participants

Reaction Steps

A mixture of 6-butoxy-2-[4-(1,4-dioxa-7-azaspiro[4.4]non-7-yl)phenyl]-3,4-dihydro-2H-isoquinolin-1-one (1.40 g), p-toluenesulfonic acid (57 mg) and acetone (40 mL) was boiled under reflux for 12 hours and then concentrated. The residue was partitioned between sodium carbonate solution and ethyl acetate. The organic phase was dried and concentrated. The product with the molecular weight of 378.48 (C23H26N2O3) was obtained in this way; MS (ESI): 379 (M+H+).

Provenance & Evidence