1,1'-Carbonyldiimidazole → HCID 66634907, compound

Participants

Reaction Steps

159 mg (0.453 mmol) of the compound prepared in example 58A in dimethylformamide (10 ml) were admixed with 94 μl (0.543 mmol) of N,N-diisopropylethylamine and 88 mg (0.543 mmol) of carbonyldiimidazole, and the mixture was stirred at RT overnight. The mixture was filtered, the filtrate was concentrated and the residue was purified by means of preparative HPLC (acetonitrile:water (+0.05% formic acid) gradient). 90 mg of the title compound were obtained (52% of theory).

Provenance & Evidence