反应详情

温度

-20 °C

670 mg of methyl 5-formyl-1-methyl-1H-pyrrole-2-carboxylate was dissolved in 10.0 mL of THF, and 303 mg of sodium borohydride was added thereto at −20° C., followed by stirring at −20° C. for 30 minutes, and then at 0° C. for further 1 hour. To the reaction liquid was added an aqueous saturated ammonium chloride solution, followed by extraction with ethyl acetate. The organic layer was washed with an aqueous saturated sodium hydrogen carbonate solution and brine, and then dried over anhydrous sodium sulfate. The solvent was evaporated under reduced pressure to obtain 592 mg of methyl 5-(hydroxymethyl)-1-methyl-1H-pyrrole-2-carboxylate.

1. customat −20° C.
2. waitat 0° C. for further 1 hour
3. customTo the reaction liquid
4. extractionfollowed by extraction with ethyl acetate
5. washThe organic layer was washed with an aqueous saturated sodium hydrogen carbonate solution and brine
6. dry with materialdried over anhydrous sodium sulfate
7. customThe solvent was evaporated under reduced pressure