Methanesulfonic Acid → HCID 66972614, compound

Participants

Reaction Steps

To methyl 2(S)-tert-butoxycarbonylamino-4-(pyridin-2-ylsulfanyl)butyrate (0.75 g, 2.4 mmol) in THF (5 mL) was added methanesulfonic acid (6.9 g, 7.2 mmol) in one portion. The solution was stirred for 16 h and the crude reaction mixture was concentrated to give methyl 2(S)-amino-4-(pyridin-2-ylsulfanyl)butyrate as the mesylate salt which was used directly in the next step.

Provenance & Evidence