p-Toluenesulfonic acid → HCID 18973911, compound

Participants

Reaction Steps

To a solution of methyl 4-[3-(2-benzyloxy-5-hydroxymethylphenyl) propyl]benzoate (5.31 g) in methanol (100 ml) was added 4-methylbenzenesulphonic acid (3.11 g). The reaction was heated at reflux for 18 hours, the solvent evaporated, the residue dissolved in EtOAc, washed with brine and the solvent evaporated to give methyl 4-[3-(2-benzyloxy-5-methoxymethylphenyl)propyl]benzoate (3.64 g).

Provenance & Evidence