Tert-butyl 3-amino-2,2-dimethylpropanoate → 3-{[7-(2-Chloro-5-fluoro-phenoxy)-1-cyano-4-hydroxy-isoquinoline-3-carbonyl]-amino}-2,2-dimethyl-propionic acid tert-butyl ester

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Reaction Steps

A mixture of 7-(2-chloro-5-fluoro-phenoxy)-1-cyano-4-hydroxy-isoquinoline-3-carboxylic acid ethyl ester (15 mg) and 3-amino-2,2-dimethyl-propionic acid tert-butyl ester (19 mg) in EtOH (0.7 mL) was microwaved at 150° C. for 2 h. The mixture was cooled, concentrated and the residue was column purified to give the desired product (19 mg). LC MS ESI+: 514 (M+1)+.

Provenance & Evidence