HCID 9906877, compound → HCID 9818192, compound
Reaction equation
Br[C:2]1[CH:9]=[C:8]2[N:4]([C:5]3[C:13]([C:14]4[CH:19]=[CH:18][C:17]([O:20][CH3:21])=[CH:16][CH:15]=4)=[CH:12][S:11][C:6]=3[C:7]2=[O:10])[CH:3]=1.[CH3:22][O-:23].[Na+]>>[CH3:22][O:23][C:2]1[CH:9]=[C:8]2[N:4]([C:5]3[C:13]([C:14]4[CH:19]=[CH:18][C:17]([O:20][CH3:21])=[CH:16][CH:15]=4)=[CH:12][S:11][C:6]=3[C:7]2=[O:10])[CH:3]=1Participants
3
Procedure
1 equivalent of the compound obtained in Example 12 is stirred, at ambient temperature, into a solution of sodium methanolate. After 12 hours' reaction, the reaction mixture is concentrated under reduced pressure. The residue is taken up in dichloromethane; the organic phase is then washed with a saturated NaCl solution, dried over sodium sulphate and then concentrated under reduced pressure. Chromatography on silica gel (dichloromethane) allows the expected product to be isolated.
Workup
- customAfter 12 hours' reaction
- concentrationthe reaction mixture is concentrated under reduced pressure
- washthe organic phase is then washed with a saturated NaCl solution
- dry with materialdried over sodium sulphate
- concentrationconcentrated under reduced pressure
- customto be isolated
Sources & evidence
- ORD record
- ord-7cd672cc323f4c6685717e511b5d3afb
- Source dataset
- uspto-grants-2000_06
- Patent number
- US06071945
Reaction notes
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