Lithium hydroxide, monohydrate → (Z)-5-[2,3-Dihydro-3-[(3-methoxy-1H-pyrrol-2-yl)methylene]-2-oxo-1H-indol-4-yl]-4-pentynoic acid

HRID 1069670Notes

Reaction equation

HRID 1069670 reaction equation
C[O:2][C:3](=[O:26])[CH2:4][CH2:5][C:6]#[C:7][C:8]1[CH:16]=[CH:15][CH:14]=[C:13]2[C:9]=1/[C:10](=[CH:18]/[C:19]1[NH:20][CH:21]=[CH:22][C:23]=1[O:24][CH3:25])/[C:11](=[O:17])[NH:12]2.O[Li].O>C1COCC1.O>[CH3:25][O:24][C:23]1[CH:22]=[CH:21][NH:20][C:19]=1/[CH:18]=[C:10]1\[C:11](=[O:17])[NH:12][C:13]2[C:9]\1=[C:8]([C:7]#[C:6][CH2:5][CH2:4][C:3]([OH:26])=[O:2])[CH:16]=[CH:15][CH:14]=2

Participants

5

Reactant 2

HCID 168937Lithium hydroxide, monohydrateHCID 59959883HCID 59959883, compound

Product 1

HCID 9797846(Z)-5-[2,3-Dihydro-3-[(3-methoxy-1H-pyrrol-2-yl)methylene]-2-oxo-1H-indol-4-yl]-4-pentynoic acid

Reagents, catalysts & solvents 2

HCID 962WaterSolventHCID 8028TetrahydrofuranSolvent

Procedure

Using Method F above, (Z)-5-[2,3-dihydro-3-[(3-methoxy-1H-pyrrol-2-yl)methylene]-2-oxo-1H-indol-4-yl]-4-pentynoic acid methyl ester (50 mg, 0.14 mmol) (from Example 8 above) was hydrolyzed with LiOH-H2O (118 mg, 2.8 mmol) in THF (3 mL) and water (3 mL) for 22 h. (Yield 40 mg, 85%).

Sources & evidence

ORD record
ord-0eef8947ed41431aa6b3e545b6069112
Source dataset
uspto-grants-2001_06
Patent number
US06252086B1

Reaction notes

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