[1-(S)-(1-Benzyl-pyrrolidin-3-(R)-ylcarbamoyl)-2,2-dimethyl-propyl]-carbamic acid tert-butyl ester → 2-(S)-Amino-N-(1-benzyl-pyrrolidin-3-(R)-yl)-3,3-dimethyl-butyramide

Participants

Reaction Steps

A solution of 1a (0.80 g, 2.06 mmole) in 40% trifluoroacetic acid/dichloromethane (15 mL) was stirred at room temperature for 4 h. The solvent was removed by rotary evaporation, and the resulting organic residue was carefully partitioned between dichloromethane and a saturated solution of sodium bicarbonate (30 mL each). The organic extract was dried over anhydrous sodium sufate, filtered, and concentrated to give 2a as a light brown oil. This amine was used without further purification.

Provenance & Evidence