Tetrahydrofuran → HCID 88206349, compound

Participants

Reaction Steps

To a solution of benzhydryl 7-formamido-3-hydroxymethyl -3-cephem-4-carboxylate (4.24 g) in tetrahydrofuran (80 ml), N,N'-carbonyldiimidazole (1.62 g) was added under ice cooling, followed by stirring at the same temperature for 1 hour and 25 minutes. Then, the resulting solution was added with a solution of piperidine (0.85 g) in tetrahydrofuran (10 ml) and stirred at the same temperature for 1 hour and 20 minutes. Further stirring was conducted for one hour at room temperature. The reaction mixture was added with piperidine (0.17 g), followed by stirring at room temperature for 11 hours and 10 minutes and then, the

Provenance & Evidence