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Methanol → [2-Fluoro-4-(8,8-dimethyl-5-oxo-5,6,7,8-tetrahydronaphthalene-2-yl-ethynyl)phenyl]-acetic Acid

HRID 844637
Notes
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Reaction equation

HRID 844637 reaction equation
C[O:2][C:3](=[O:27])[CH2:4][C:5]1[CH:10]=[CH:9][C:8]([C:11]#[C:12][C:13]2[CH:22]=[CH:21][C:20]3[C:19](=[O:23])[CH2:18][CH2:17][C:16]([CH3:25])([CH3:24])[C:15]=3[CH:14]=2)=[CH:7][C:6]=1[F:26].CO.O1CCCC1.O.[OH-].[Li+]>CCCCCC.C(OCC)(=O)C.O>[F:26][C:6]1[CH:7]=[C:8]([C:11]#[C:12][C:13]2[CH:22]=[CH:21][C:20]3[C:19](=[O:23])[CH2:18][CH2:17][C:16]([CH3:25])([CH3:24])[C:15]=3[CH:14]=2)[CH:9]=[CH:10][C:5]=1[CH2:4][C:3]([OH:27])=[O:2]
ParticipantsProcedureSources & evidenceReaction notes

Participants

8

Reactant 4

HCID 887MethanolHCID 8028TetrahydrofuranHCID 168937Lithium hydroxide, monohydrateHCID 57424271[2-Fluoro-4-(8,8-dimethyl-5-oxo-5,6,7,8-tetrahydronaphthalene-2-ylethynyl)phenyl]acetic acid methyl ester2×

Product 1

HCID 9968269[2-Fluoro-4-(8,8-dimethyl-5-oxo-5,6,7,8-tetrahydronaphthalene-2-yl-ethynyl)phenyl]-acetic Acid

Reagents, catalysts & solvents 3

HCID 962WaterSolventHCID 8058HexaneSolventHCID 8857Ethyl AcetateSolvent

Procedure

Following general procedure J and using [2-fluoro-4-(8,8-dimethyl-5-oxo-5,6,7,8-tetrahydro-naphthalene-2-ylethynyl)phenyl]acetic acid methyl ester (Compound 14, 0.18 g, 0.48 mmol), methanol (4 mL), tetrahydrofuran (8 mL), water (2 mL) and lithium hydroxide monohydrate (0.2 g, 4.76 mmol) followed by flash column chromatography over silica gel (230-400 mesh) using 50-100% ethyl acetate in hexane as the eluent, the title compound was obtained as a dirty white solid (0.068 g, 41%).

Sources & evidence

ORD record
ord-762a5ad3be4346388e1544d904585f66
Source dataset
uspto-grants-2002_04
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06380256B1

Reaction notes

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On this pageParticipantsProcedureSources & evidenceReaction notes