反应详情

1-(3-Acetylthio-2-trifluoromethylpropanoyl)-L-proline tert-butyl ester (8 g.) is dissolved in a mixture of anisole (55 ml.) and trifluoroacetic acid (110 ml.). After one hour storage at room temperature the solvent is removed in vacuo and the residue is precipitated several times from etherhexane to give 1-(3-acetylthio-2-trifluoromethylpropanoyl)-L-proline.

1. customAfter one hour storage at room temperature the solvent is removed in vacuo
2. customthe residue is precipitated several times from etherhexane