Reaktion #1519120
ord-8b49e0889e424e8e8ecd2efe5b696ca1
Reaktionsgleichung
Z-L-Pro-OH
thionyl chloride
→
Z-L-Pro-Cl
Reagenzien
Keine
Lösungsmittel
Reaktionsbedingungen
Detaillierte Bedingungen
See reaction.notes.procedure_details.
Aufarbeitung
- 1Temperaturis heated
- 2Temperaturto reflux under nitrogen for 20 minutes
- 3Einengenconcentrated in vacuo
- 4Einengenconcentrated
Vorschrift
A mixture of Z-L-Pro-OH E-1 (10.0 g, 40.1 mmol, 1 equiv.) and thionyl chloride (30 mL, 401.2 mmol, 10 equiv.) in DCM (200 mL) is heated to reflux under nitrogen for 20 minutes and concentrated in vacuo. The residual oil is coevaporated with toluene 3×, and concentrated to give Z-L-Pro-Cl as an opaque oil.