HCID 15029695, compound → HCID 9807671, compound

Participants

Reaction Steps

The butyl ester (70 mg; prepared in reference example 6) was dissolved in formic acid (5 ml). The solution was stirred for 5 hr. at room temperature. The reaction solution was evaporated to remove formic acid. The residue was purified by column chromatography on silica gel (ethyl acetate:methanol=10:1) to give the title compound (40 mg) of the present invention, having the following physical data.

Provenance & Evidence