{1-[4-(6-Fluoro-4-oxo-2-phenyl-4H-chromen-3-yl)-phenyl]-cyclobutyl}-carbamic acid tert-butyl ester → {1-[4-(6-bromo-7-methoxy-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, 6-bromo-3-iodo-7-methoxy-2-phenyl-chromen-4-one was reacted to give the title compound as a pale yellow foam (434 mg, 75%). LCMS (Method B): RT=5.04 min, [M+Na]+=598/600.

Provenance & Evidence