{1-[4-(6-Fluoro-4-oxo-2-phenyl-4H-chromen-3-yl)-phenyl]-cyclobutyl}-carbamic acid tert-butyl ester → {1-[4-(2-Methyl-3,6-dioxo-8-phenyl-2,6-dihydro-3H-9-oxa-1,2,3a-triaza-cyclopenta[a]naphthalen-7-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-2-methyl-8-phenyl-2H-9-oxa-1,2,3a-triaza-cyclopenta[a]naphthalene-3,6-dione was reacted to give the title compound as a colourless gum (19.9 mg, 61%). LCMS (Method A): RT=4.63 min, [M+H]+=539.

Provenance & Evidence