2,6-Lutidine → HCID 88660712, compound
Reaction equation
[Si:1]([O:8][CH:9]([CH:11]1[CH:14]([S:15][CH3:16])[N:13]([CH:17](O)[C:18]([O:20][CH2:21][C:22]2[CH:27]=[CH:26][C:25]([N+:28]([O-:30])=[O:29])=[CH:24][CH:23]=2)=[O:19])[C:12]1=[O:32])[CH3:10])([C:4]([CH3:7])([CH3:6])[CH3:5])([CH3:3])[CH3:2].N1C(C)=CC=CC=1C.S(Cl)([Cl:43])=O>>[Si:1]([O:8][CH:9]([CH:11]1[CH:14]([S:15][CH3:16])[N:13]([CH:17]([Cl:43])[C:18]([O:20][CH2:21][C:22]2[CH:27]=[CH:26][C:25]([N+:28]([O-:30])=[O:29])=[CH:24][CH:23]=2)=[O:19])[C:12]1=[O:32])[CH3:10])([C:4]([CH3:7])([CH3:6])[CH3:5])([CH3:3])[CH3:2]Participants
4
Procedure
Following the procedure of Preparation 2, but using p-nitrobenzyl 2-[3-(1-t-butyldimethylsilyloxyethyl)-4-methylthio-2-azetidinon-1-yl]-2-hydroxyacetate (470 mg), 2,6-lutidine (168 μl) and thionyl chloride (85 μl) and purifying the product by silica gel column chromatography eluted with methylene chloride, there were obtained 450 mg of the desired compound as an oil.
Workup
- customthe procedure of Preparation 2
- custompurifying the product by silica gel column chromatography
- washeluted with methylene chloride
Sources & evidence
- ORD record
- ord-090a220699c34195b14f0a5dfe6d378f
- Source dataset
- uspto-grants-1987_01
- Patent number
- US04639441
Reaction notes
Loading…