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Sodium Carbonate → Methyl 5-(3,4,5,6-tetramethoxy-2-methylbenzyl)-2-(2-methoxyphenyl)benzoate

HRID 1245172
Notes
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Reaction equation

HRID 1245172 reaction equation
[CH3:1][O:2][C:3]1[C:4]([CH3:34])=[C:5]([C:25]([O:32][CH3:33])=[C:26]([O:30][CH3:31])[C:27]=1[O:28][CH3:29])[CH2:6][C:7]1[CH:8]=[CH:9][C:10](OS(C(F)(F)F)(=O)=O)=[C:11]([CH:16]=1)[C:12]([O:14][CH3:15])=[O:13].C(=O)([O-])[O-].[Na+].[Na+].[Cl-].[Li+].[CH3:43][O:44][C:45]1[CH:50]=[CH:49][CH:48]=[CH:47][C:46]=1B(O)O>C1(C)C=CC=CC=1.C(OCC)(=O)C>[CH3:1][O:2][C:3]1[C:4]([CH3:34])=[C:5]([C:25]([O:32][CH3:33])=[C:26]([O:30][CH3:31])[C:27]=1[O:28][CH3:29])[CH2:6][C:7]1[CH:8]=[CH:9][C:10]([C:46]2[CH:47]=[CH:48][CH:49]=[CH:50][C:45]=2[O:44][CH3:43])=[C:11]([CH:16]=1)[C:12]([O:14][CH3:15])=[O:13]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 10340Sodium CarbonateHCID 433294Lithium ChlorideHCID 27339582-Methoxyphenylboronic acidHCID 21919171HCID 21919171, compound

Product 1

HCID 21919154Methyl 5-(3,4,5,6-tetramethoxy-2-methylbenzyl)-2-(2-methoxyphenyl)benzoateYield 97.4%

Reagents, catalysts & solvents 2

HCID 1140
Toluene
Solvent
HCID 8857Ethyl AcetateSolvent

Conditions

Temperature
95 °C

Procedure

To a solution of methyl 5-(3,4,5,6-tetramethoxy-2-methylbenzyl)-2-(trifluoromethanesulfonyl)oxybenzoate (1.50 g, 2.9527 mmol) in toluene (40 ml) were added tetrakistriphenylphosphine palladium (205 mg, 0.1774 mmol), aqueous solution of sodium carbonate (2M aqueous solution, 4.58 ml), lithium chloride (300 mg, 7.0771 mmol) and ethanolic solution (7.2 ml) of 2-methoxybenzene boronic acid (1.34 g, 8.8186 mmol) and the mixture was heated with stirring at 95° C. for 16 hours. The reaction solution was diluted with ethyl acetate (100 ml), washed with water and dried and the solvent was evaporated therefrom. The residue was purified by silica gel column chromatography (hexane:ethyl acetate=5:1) to give the title compound (1.34 g, 2.8755 mmol, 97%).

Workup

  1. temperaturethe mixture was heated
  2. washwashed with water
  3. customdried
  4. customthe solvent was evaporated
  5. customThe residue was purified by silica gel column chromatography (hexane:ethyl acetate=5:1)

Sources & evidence

ORD record
ord-9c85d111cb514628b4470cb259030658
Source dataset
uspto-grants-2006_10
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07122543B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes