Trifluoroacetic acid → (3R)-3-{3-[(Benzylamino)carbonyl]-1,2,4-oxadiazol-5-yl}-6-cyclohexylhexanoic acid

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Reaction Steps

A solution of tert-butyl (3R)-3-{3-[(benzylamino)carbonyl]-1,2,4-oxadiazol-5-yl}-6-cyclohexylhexanoate (Preparation 16b) (173 mg, 0.38 mmol) in dichloromethane (4 ml) was treated with trifluoroacetic acid (1 ml) and the resulting mixture was stirred at room temperature under a nitrogen atmosphere for 17 hours. The solvent was removed under reduced pressure and the residue azeotroped from toluene to afford the title compound as a beige solid (155 mg).

Provenance & Evidence