HCID 54015813, compound → HCID 54230735, compound

Participants

Reaction Steps

A solution of 5.10 g of tert-butyl (S)-3-(4-nitrobenzyloxycarbonyloxy)-butyrate in 20 ml of trifluoroacetic acid was stirred at 0° C. for 90 minutes. The solvent was evaporated in vacuo, and the residue was crystallized from methylene chloride/hexane to yield 3.28 g of (S)-3-(4-nitrobenzyloxycarbonyloxy)-butyric acid as white crystals of m.p. 78°-81° C.

Provenance & Evidence