Oxonium, trimethyl-, tetrafluoroborate(1-) (1:1) → HCID 22617758, compound

Participants

Reaction Steps

77.5 mg trimethyloxonium tetrafluoroborate was added to 100 mg 5-oxo-[1,4]diazepane-1-carboxylic acid tert-butyl ester in 2 mL dichlormethane at 0-5° C. The reaction mixture was stirred over night at RT. The reaction was washed with saturated sodium hydrogencarbonate solution and water and evaporated to yield 100 mg of the desired product. Rt: 0.79 min (method B), (M+H)+: 229

Provenance & Evidence