Lithium Hydroxide → HCID 69624782, compound
Reaction equation
[OH:1][C@@H:2]([C@H:45]([OH:52])[C@@H:46]([OH:51])[C@@H:47]([OH:50])[CH2:48][OH:49])[CH2:3][NH:4][C:5]([CH2:7][CH2:8][C@H:9]([NH:14][C:15](=[O:44])[C@@H:16]([NH:33][C:34]([O:36][CH2:37][C:38]1[CH:43]=[CH:42][CH:41]=[CH:40][CH:39]=1)=[O:35])[CH2:17][CH2:18][C:19](=[O:32])[NH:20][CH2:21][C@@H:22]([OH:31])[C@H:23]([OH:30])[C@@H:24]([OH:29])[C@@H:25]([OH:28])[CH2:26][OH:27])[C:10]([O:12]C)=[O:11])=[O:6].[OH-].[Li+]>O1CCCC1.CO>[OH:1][C@@H:2]([C@H:45]([OH:52])[C@@H:46]([OH:51])[C@@H:47]([OH:50])[CH2:48][OH:49])[CH2:3][NH:4][C:5]([CH2:7][CH2:8][C@H:9]([NH:14][C:15](=[O:44])[C@@H:16]([NH:33][C:34]([O:36][CH2:37][C:38]1[CH:43]=[CH:42][CH:41]=[CH:40][CH:39]=1)=[O:35])[CH2:17][CH2:18][C:19](=[O:32])[NH:20][CH2:21][C@@H:22]([OH:31])[C@H:23]([OH:30])[C@@H:24]([OH:29])[C@@H:25]([OH:28])[CH2:26][OH:27])[C:10]([OH:12])=[O:11])=[O:6]Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Procedure
The product of step 11B is dissolved in tetrahydrofuran/methanol (1:1) and treated with excess 3N aqueous lithium hydroxide. The reaction is followed by HPLC for disappearance of starting material. The reaction is concentrated, diluted with additional water, and purified by passage down an acidic ion exchange column. The product fractions are lyophilized to afford the product as a solid.
Workup
- concentrationThe reaction is concentrated
- additiondiluted with additional water
- custompurified by passage down an acidic ion exchange column
Sources & evidence
- ORD record
- ord-273ecbc82a3a49628633bb22c5aef4ba
- Source dataset
- uspto-grants-2006_08
- Patent number
- US07090828B2
Reaction notes
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