Lithium Hydroxide → (3-{[[4-(6-Amino-2-butoxy-8-oxo-7,8-dihydro-9H-purin-9-yl)butyl](2-hydroxy-2-methylpropyl)amino]sulfonyl}phenyl)acetic acid

HRID 2036299Notes

Reaction equation

HRID 2036299 reaction equation
[NH2:1][C:2]1[N:10]=[C:9]([O:11][CH2:12][CH2:13][CH2:14][CH3:15])[N:8]=[C:7]2[C:3]=1[NH:4][C:5](=[O:40])[N:6]2[CH2:16][CH2:17][CH2:18][CH2:19][N:20]([CH2:35][C:36]([OH:39])([CH3:38])[CH3:37])[S:21]([C:24]1[CH:25]=[C:26]([CH2:30][C:31]([O:33]C)=[O:32])[CH:27]=[CH:28][CH:29]=1)(=[O:23])=[O:22].[OH-].[Li+].O1CCCC1>O>[NH2:1][C:2]1[N:10]=[C:9]([O:11][CH2:12][CH2:13][CH2:14][CH3:15])[N:8]=[C:7]2[C:3]=1[NH:4][C:5](=[O:40])[N:6]2[CH2:16][CH2:17][CH2:18][CH2:19][N:20]([CH2:35][C:36]([OH:39])([CH3:38])[CH3:37])[S:21]([C:24]1[CH:25]=[C:26]([CH2:30][C:31]([OH:33])=[O:32])[CH:27]=[CH:28][CH:29]=1)(=[O:22])=[O:23]

Participants

5

Reactant 3

HCID 3939Lithium HydroxideHCID 8028TetrahydrofuranHCID 11713966Methyl (3-{[[4-(6-amino-2-butoxy-8-oxo-7,8-dihydro-9H-purin-9-yl)butyl](2-hydroxy-2-methylpropyl)amino]sulfonyl}phenyl)acetate

Product 1

HCID 23158483(3-{[[4-(6-Amino-2-butoxy-8-oxo-7,8-dihydro-9H-purin-9-yl)butyl](2-hydroxy-2-methylpropyl)amino]sulfonyl}phenyl)acetic acid

Reagents, catalysts & solvents 1

HCID 962WaterSolvent

Procedure

By the same manner to Example 2-12, the compound obtained in Example 2-22 (70 mg) and lithium hydroxide (20 mg) were added to tetrahydrofuran (4 ml) and water (2 ml) and the mixture was stirred at room temperature for 24 hours. The reaction mixture was concentrated under reduced pressure and partitioned between 2M hydrochloric acid and ethyl acetate. The aqueous layer was extracted with ethyl acetate and the combined organic layer was dried and concentrated under reduced pressure to give the titled compound as a white solid. Yield: 23 mg (34%); MS APCI+ve 565 (M+H).

Workup

  1. concentrationThe reaction mixture was concentrated under reduced pressure
  2. custompartitioned between 2M hydrochloric acid and ethyl acetate
  3. extractionThe aqueous layer was extracted with ethyl acetate
  4. customthe combined organic layer was dried
  5. concentrationconcentrated under reduced pressure

Sources & evidence

ORD record
ord-5ba750f0c6054ce396eb9e2e9f5333e4
Source dataset
uspto-grants-2013_11
Patent number
US08575180B2

Reaction notes

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