反应详情

To a stirred suspension of sodium hydride (60% oil dispersion, 1.2 g, 30 mmol) in DMF (6 mL) was added dropwise 2-hydroxyacetaldehyde dimethyl acetal (3.2 g, 30 mmol). The resulting mixture was left to stir for 0.5 h, then a solution of 1-chloroisoquinoline (1.6 g, 10 mmol) in DMF (2 mL) was added and the mixture was stirred at 80° C. for 24 h. The mixture was then poured into water (150 mL) and extracted with ether (2×150 mL). The combined organic extracts were dried over sodium sulfate and evaporated in vacuo. The residue was purified by silica gel chromatography (10% ethyl acetate in hexane) to give 1-isoquinolinyloxyacetaldehyde dimethyl acetal (1.5 g, 64%).

1. waitThe resulting mixture was left
2. stirringthe mixture was stirred at 80° C. for 24 h
3. extractionextracted with ether (2×150 mL)
4. dry with materialThe combined organic extracts were dried over sodium sulfate
5. customevaporated in vacuo
6. customThe residue was purified by silica gel chromatography (10% ethyl acetate in hexane)