{1-[4-(6-Fluoro-4-oxo-2-phenyl-4H-chromen-3-yl)-phenyl]-cyclobutyl}-carbamic acid tert-butyl ester → {1-[4-(2,8-Dioxo-6-phenyl-1,2,3,8-tetrahydro-4,5-dioxa-1-aza-phenanthren-7-yl)-phenyl]cyclobutyl}-carbamic acid tert-butyl ester

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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-6-phenyl-1H-4,5-dioxa-1-aza-phenanthrene-2,8-dione was reacted to give the title compound as a yellow oil (92 mg, 44%). LCMS (Method H): RT=−4.71 min, [M+H]+=539.

Provenance & Evidence