Sodium Iodide → HCID 14780080, compound
Reaction equation
[Si:1]([O:8][CH:9]([CH:11]1[CH:14]([S:15][CH3:16])[N:13]([CH:17](Cl)[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].[I-].[Na+].C([BH3-])#N.[Na+]>>[Si:1]([O:8][CH:9]([CH:11]1[CH:14]([S:15][CH3:16])[N:13]([CH2:17][C:18]([O:20][CH2:21][C:22]2[CH:23]=[CH:24][C:25]([N+:28]([O-:30])=[O:29])=[CH:26][CH:27]=2)=[O:19])[C:12]1=[O:32])[CH3:10])([C:4]([CH3:7])([CH3:5])[CH3:6])([CH3:3])[CH3:2]Participants
4
Procedure
Following the procedure of Preparation 3, but using p-nitrobenzyl 2-[3-(1-t-butyldimethylsilyloxyethyl)-4-methylthio-2-azetidinon-1-yl]-2-chloroacetate (1.272 g), sodium iodide (379 mg) and sodium cyanoborohydride (314 mg) and purifying the crude product by silica gel column chromatography eluted with a 10:1 by the volume mixture of benzene and ethyl acetate, there were obtained 785 mg of the desired compound.
Workup
- customthe procedure of Preparation 3
- custompurifying the crude product by silica gel column chromatography
- washeluted with a 10:1 by the volume mixture of benzene and ethyl acetate
Sources & evidence
- ORD record
- ord-b912c9dc707344db8f8d03055ccb613c
- Source dataset
- uspto-grants-1987_01
- Patent number
- US04639441
Reaction notes
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