Dimethyl Sulfoxide → HCID 86615381, compound
Reaction equation
CS(C)=O.[C:5]([O:9][C:10]([N:12]1[CH2:17][C@H:16]([O:18][CH2:19][C:20]2[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=2)[CH2:15][CH2:14][C@@H:13]1[CH2:26][OH:27])=[O:11])([CH3:8])([CH3:7])[CH3:6].C(N(CC)CC)C>>[C:5]([O:9][C:10]([N:12]1[CH2:17][C@H:16]([O:18][CH2:19][C:20]2[CH:21]=[CH:22][CH:23]=[CH:24][CH:25]=2)[CH2:15][CH2:14][C@@H:13]1[CH:26]=[O:27])=[O:11])([CH3:8])([CH3:7])[CH3:6]Participants
4
Procedure
Add sulfur trioxide pyridine complex (0.27 g, 1.7 mmol) in dimethylsulfoxide (0.95 mL, 13.0 mmol) to (2R, 5R)-5-Benzyloxy-2-hydroxymethyl-piperidine-1-carboxylic acid tert-butyl ester (0.27 g, 0.84 mmol) in triethylamine (0.70 mL, 5.0 mmol) at 10° C. and stir at room temperature for 30 minutes. Quench with water and extract with diethyl ether. Combine the organic layers, wash with 5% aqueous citric acid followed by saturated aqueous sodium chloride, dry over magnesium sulfate and concentrate. The residue may be used without further purification.
Workup
- customQuench with water
- extractionextract with diethyl ether
- washwash with 5% aqueous citric acid
- dry with materialdry over magnesium sulfate
- concentrationconcentrate
- customThe residue may be used without further purification
Sources & evidence
- ORD record
- ord-ed4bd3e5e4ba49e4af7969128766be49
- Source dataset
- uspto-grants-2009_11
- Patent number
- US07618978B2
Reaction notes
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