HCID 15676488, compound → HCID 15676489, compound

Participants

Reaction Steps

91.6 g (0.35 mol) of the compound from Example VI in 1 l of dimethylformamide were boiled under reflux with 64 g (0.42 mol) of diazabicycloundecane for 3 h. The mixture was concentrated, the residue was taken up in methylene chloride/water, and the solution was rendered weakly acidic, washed with water, dried and concentrated. Yield: 70 g (89% of theory) M.p.: 53°-54° C.

Provenance & Evidence