Hydrochloric Acid → HCID 67793468, compound

Participants

Reaction Steps

4,5-(Dimethylmethylenedioxy)-6-(tert-butyldimethylsilyloxy)-3,3a,4,5,6,7-hexahydro-2,1-benzoisooxazole (327 mg) was dissolved in 10 ml of tetrahydrofuran, and 1 ml of 1N hydrochloric acid was added, followed by stirring the mixture at room temperature for 4 hours. The reaction mixture was diluted with diethyl ether, and neutralized with a sodium hydrogen carbonate aqueous solution. The organic layer was washed with a sodium chloride aqueous solution, dried over anhydrous sodium sulfate, and concentrated under reduced pressure. The obtained residue was purified by silica gel column chromatography to give 196 mg of 4,5-dihydroxy-6-(tert-butyldimethylsilyloxy)-3,3a,4,5,6,7-hexahydro-2,1-benzoisooxazole having the following property (yield 68%).

Provenance & Evidence