{1-[4-(6-Fluoro-4-oxo-2-phenyl-4H-chromen-3-yl)-phenyl]-cyclobutyl}-carbamic acid tert-butyl ester → {1-[4-(7-Amino-8-hydroxy-4-oxo-2-phenyl-4H-chromen-3-yl)-phenyl]-cyclobutyl}-carbamic acid tert-butyl ester

Participants

Reaction Steps

Following the procedure used to prepare {1-[4-(6-fluoro-4-oxo-2-phenyl-4H-chromen-3-yl)-phenyl]-cyclobutyl}-carbamic acid tert-butyl ester, 7-iodo-8-phenyl-chromeno[7,8-d]oxazol-6-one was reacted to give the title compound as a yellow oil (25 mg, 14%). LCMS (Method G): RT=3.75 min, [M+H]+=499.

Provenance & Evidence