Sodium Bicarbonate → tert-Butyl (2S)-(adamant-1-ylmethoxycarbonylamino)-3-aminopropionate

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Reaction Steps

A solution of 8.7 g (19.22 mmol) of (13.10) in 180 ml of trifluoroacetic acid dichloromethane=1/1 is added, after 1 min, to 1.5 ml of an ice-cold solution of NaHCO3. The solution is extracted 3 times with dichloromethane and the dichloromethane phase is then dried over sodium sulfate. 6.35 g (94%) of (13.11) are obtained as a colorless solid after filtering and removing the solvent in vacuo.

Provenance & Evidence