Trifluoroacetic acid → HCID 69950592, compound

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Reaction Steps

A solution of 4-[{3-[2-(tert-butoxycarbonyl-pyridin-4-yl-amino)-ethoxy]-5-chloro-benzoyl}-(2-fluoro-phenyl)-amino]-butyric acid methyl ester (0.020 g) in a mixture of dichloromethane (1 ml) and trifluoroacetic acid (1 ml) was stored at room temperature for 16 h and then concentrated under reduced pressure to give the title compound (0.022 g) as a colourless gum.

Provenance & Evidence