Sodium Hydroxide → HCID 131721978, compound
Reaction equation
[C:1]([CH2:4][O:5][C:6]1[CH:11]=[C:10]([O:12][CH3:13])[CH:9]=[CH:8][C:7]=1[C@@H:14]1[C:22]2[C:17](=[CH:18][CH:19]=[C:20]([O:23][CH2:24][CH2:25][CH3:26])[CH:21]=2)[C@H:16]([C:27]2[CH:32]=[CH:31][C:30]3[O:33][CH2:34][O:35][C:29]=3[CH:28]=2)[C@H:15]1[C:36]([OH:38])=[O:37])([OH:3])=[O:2].[OH-].[Na+:40]>C(O)C.O>[Na+:40].[Na+:40].[C:1]([CH2:4][O:5][C:6]1[CH:11]=[C:10]([O:12][CH3:13])[CH:9]=[CH:8][C:7]=1[C@@H:14]1[C:22]2[C:17](=[CH:18][CH:19]=[C:20]([O:23][CH2:24][CH2:25][CH3:26])[CH:21]=2)[C@H:16]([C:27]2[CH:32]=[CH:31][C:30]3[O:33][CH2:34][O:35][C:29]=3[CH:28]=2)[C@H:15]1[C:36]([O-:38])=[O:37])([OH:3])=[O:2].[C:1]([CH2:4][O:5][C:6]1[CH:11]=[C:10]([O:12][CH3:13])[CH:9]=[CH:8][C:7]=1[C@@H:14]1[C:22]2[C:17](=[CH:18][CH:19]=[C:20]([O:23][CH2:24][CH2:25][CH3:26])[CH:21]=2)[C@H:16]([C:27]2[CH:32]=[CH:31][C:30]3[O:33][CH2:34][O:35][C:29]=3[CH:28]=2)[C@H:15]1[C:36]([O-:38])=[O:37])([OH:3])=[O:2]Participants
4
Procedure
A solution of (+) (1S, 2R, 3S)-3-(2-carboxymethoxy-4-methoxyphenyl)-1-(3,4-methylenedioxyphenyl)-5-(prop-1-yloxy)indane-2-carboxylic acid in absolute ethanol/water (12 to 1) was titrated to pH=11-12 with 1.25 N sodium hydroxide solution then after stirring for 15 minutes, concentrated to an oil. Absolute ethanol was added and the solution reconcentrated to a solid which was triturated with hexane, and filtered. The solid was dried to constant weight to afford (+) (1S, 2R, 3S)-3-(2-Carboxymethoxy-4-methoxyphenyl)-1-(3,4-methylenedioxyphenyl)-5-(prop-1-yloxy)indane-2-carboxylic acid disodium salt.
Workup
- concentrationconcentrated to an oil
- additionAbsolute ethanol was added
- customwas triturated with hexane
- filtrationfiltered
- customThe solid was dried to constant weight
Sources & evidence
- ORD record
- ord-7f3789f31c5547b5969a2c8e00167b1f
- Source dataset
- uspto-grants-2002_03
- Patent number
- US06355813B1
Reaction notes
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