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Hydrochloric Acid → 4-[1(Tol-4-yl)-3,4-dihydro-4,4-dimethyl-anthracen-8-yl]-benzoic Acid

HRID 2607
Notes
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Reaction equation

HRID 2607 reaction equation
[C:1]1([CH3:34])[CH:6]=[CH:5][C:4]([C:7]2[C:20]3[C:11](=[CH:12][C:13]4[C:18]([CH:19]=3)=[C:17]([C:21]3[CH:31]=[CH:30][C:24]([C:25]([O:27]CC)=[O:26])=[CH:23][CH:22]=3)[CH:16]=[CH:15][CH:14]=4)[C:10]([CH3:33])([CH3:32])[CH2:9][CH:8]=2)=[CH:3][CH:2]=1.CO.[Li+].[OH-].Cl>C1COCC1.CCOCC>[C:1]1([CH3:34])[CH:2]=[CH:3][C:4]([C:7]2[C:20]3[C:11](=[CH:12][C:13]4[C:18]([CH:19]=3)=[C:17]([C:21]3[CH:22]=[CH:23][C:24]([C:25]([OH:27])=[O:26])=[CH:30][CH:31]=3)[CH:16]=[CH:15][CH:14]=4)[C:10]([CH3:32])([CH3:33])[CH2:9][CH:8]=2)=[CH:5][CH:6]=1
ParticipantsProcedureSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 313Hydrochloric AcidHCID 887MethanolHCID 3939Lithium HydroxideHCID 24821095Ethyl 4-[1(tol-4-yl)3,4-dihydro-4,4-dimethyl-anthracen-8-yl]-benzoate2×

Product 1

HCID 248210964-[1(Tol-4-yl)-3,4-dihydro-4,4-dimethyl-anthracen-8-yl]-benzoic Acid

Reagents, catalysts & solvents 2

HCID 3283
Diethyl Ether
Solvent
2×
HCID 8028TetrahydrofuranSolvent

Procedure

To a degassed solution of ethyl 4-[1(tol-4-yl)3,4-dihydro-4,4-dimethyl-anthracen-8-yl]-benzoate (Compound 1, 35 mg, 0.08 mmol), in THF (1.5 mL) and MeOH (1.5 mL) was added LiOH (1M solution in water, 0.3 mL, 0.3 mmol). The mixture was stirred at ambient temperature for 16 hours, diluted with ether (60 mL). The mixture was acidified with 10% HCl to pH 4, the product was isolated as an ether insoluble white solid.

Sources & evidence

ORD record
ord-da975157105744468fa3d3bb8edc1433
Source dataset
uspto-grants-1998_03
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US05728846

Reaction notes

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On this pageParticipantsProcedureSources & evidenceReaction notes