Methanesulfonyl chloride → (S)-1-Benzyl-3-mesyloxypyrrolidine
Reaktionsgleichung
[CH2:1]([N:8]1[CH2:12][CH2:11][C@H:10]([OH:13])[CH2:9]1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[CH3:14][S:15](Cl)(=[O:17])=[O:16]>N1C=CC=CC=1>[CH3:14][S:15]([O:13][C@H:10]1[CH2:11][CH2:12][N:8]([CH2:1][C:2]2[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=2)[CH2:9]1)(=[O:17])=[O:16]Komponenten
4
Edukt 2
Produkt 1
Reagenzien, Katalysatoren, Lösungsmittel 1
Versuchsvorschrift
To (S)(−)-1-benzyl-3-pyrrolidinol (5 g, 28.2 mmol) in pyridine (40 mL) was added methane sulphonyl chloride (2.03 mL, 26.2 mmol, 0.93 equiv.) dropwise. The reaction mixture stirred 3 h, was poured into ice water (100 mL) and extracted with DCM (3×50 mL). The combined organic extracts were washed with saturated aq NaHCO3, brine and dried (MgSO4) to give 3 g of the titled compound: low resolution MS (ES) m/e 256.0 (MH+).