{1-[4-(7-Amino-8-methylamino-4-oxo-2-phenyl-4H-chromen-3-yl)-phenyl]-cyclobutyl)-carbamic acid tert-butyl ester → {1-[4-(1,2-Dimethyl-6-oxo-8-phenyl-1,6-dihydro-chromeno[7,8-d]imidazol-7-yl)-phenyl]-cyclobutyl}-carbamic acid tert-butyl ester

Participants

Reaction Steps

Following the procedure used to prepare {1-[4-(2-methyl-6-oxo-8-phenyl-1,6-dihydro-chromeno[7,8-d]imidazol-7-yl)-phenyl]-cyclobutyl}-carbamic acid tert-butyl ester, {1-[4-(7-amino-8-methylamino-4-oxo-2-phenyl-4H-chromen-3-yl)-phenyl]-cyclobutyl}-carbamic acid tert-butyl ester was reacted to give the title compound as a white solid (40 mg, 39%). LCMS (Method H): RT=3.34 min, [M+H]+=536.

Provenance & Evidence