{1-[4-(2,6-Dioxo-8-phenyl-1,2,3,6-tetrahydro-chromeno[7,8-d]imidazol-7-yl)-phenyl]-cyclobutyl}-carbamic acid tert-butyl ester → 7-Iodo-8-phenyl-3H-chromeno[7,8-d]oxazole-2,6-dione

Participants

Reaction Steps

Following the procedure used to {1-[4-(2,6-dioxo-8-phenyl-1,2,3,6-tetrahydro-chromeno[7,8-d]imidazol-7-yl)-phenyl]-cyclobutyl}-carbamic acid tert-butyl ester, 7-amino-8-hydroxy-3-iodo-2-phenyl-chromen-4-one was reacted to give the title compound as a yellow solid (105 mg, 100%). LCMS (Method G): RT=3.27, [M+H]+=406.

Provenance & Evidence