Diketene → HCID 178468066, compound

Participants

Reaction Conditions

Reaction Steps

The product of Step (b) (0.4 g, 2.4 mmol) was dissolved in acetonitrile (1 ml). In a separate flask, diketene (0.18 ml, 2.4 mmol, stabilized with copper sulfate) was dissolved in acetonitrile (1 ml). The diketene solution was added to the amine suspension in three portions, the reaction mixture was sealed and heated to 50° C. for 18 hours. The solvent was evaporated to dryness and purified by silica gel chromatography eluting with 5% MeOH In CH2Cl2 to afford the title compound, (0.5 g, 83%); MS (ES+) m/e 252 [M+H]+.

Provenance & Evidence