反应详情

2-(2,4-Difluorobenzyloxy)-5-formylbenzoic acid was prepared from 2,4-difluorobenzyl 2-(2,4-difluorobenzyloxy)-5-formylbenzoate (1.2 g, 1 eq) using the same procedure as for 2-benzyloxy-5-formylbenzoic acid. The product was obtained as a white powder (746 mg, 89%). 1H NMR (CDCl3) δ9.97 (s, 1H, O═C—H), 5.37 (s, 2H, CH2Ar).