Hydrochloric Acid → HCID 178447588, compound

Participants

Reaction Steps

1.02 g of {[3-(5-[4-(cyclopentyloxy)-2-hydroxybenzoyl]-2-{[3-(methoxymethoxy)-1,2-benzisoxazol-6-yl]methoxy}phenyl) propanoyl]oxy}methyl pivalate was dissolved in 8 mL of 1,4-dioxane and 8 mL of methanol, to which 6 mL of 6M hydrochloric acid was added at room temperature, and this mixture was stirred for 50 minutes at the same temperature. The reaction mixture, to which water was added, was adjusted to pH 7 with an aqueous solution of sodium hydroxide, and then ethyl acetate was added to this mixture and the organic phase was separated therefrom. The remaining aqueous phase was extracted with ethyl acetate, and organic phases were combined together. After the resultant organic phase was washed with a saturated sodium chloride solution, the washed phase was dried over anhydrous magnesium sulfate, and the solvent was distilled out under reduced pressure. The resultant residue, to which a mixture of hexane and ethyl acetate [3:1] was added, was filtered out to yield 0.56 g of [(3-{5-[4-(cyclopentyloxy)-2-hydroxybenzoyl]-2-[(3-hydroxy-1,2-benzisoxazol-6-yl)methoxy]phenyl} propanoyl)oxy]methyl pivalate as white solid.

Provenance & Evidence