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Sodium Carbonate → 6-(4-Chlorophenyl)benzo[d][1,3]dioxole-5-carbaldehyde

HRID 573087
Notes
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Reaction equation

HRID 573087 reaction equation
Br[C:2]1[C:3]([CH:11]=[O:12])=[CH:4][C:5]2[O:9][CH2:8][O:7][C:6]=2[CH:10]=1.[Cl:13][C:14]1[CH:19]=[CH:18][C:17](B(O)O)=[CH:16][CH:15]=1.C([O-])([O-])=O.[Na+].[Na+]>C1(C)C=CC=CC=1.CO.CCOCC.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[Cl:13][C:14]1[CH:19]=[CH:18][C:17]([C:2]2[C:3]([CH:11]=[O:12])=[CH:4][C:5]3[O:9][CH2:8][O:7][C:6]=3[CH:10]=2)=[CH:16][CH:15]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

8

Reactant 3

HCID 10340Sodium CarbonateHCID 742994-Chlorophenylboronic acidHCID 950621,3-Benzodioxole-5-carboxaldehyde, 6-bromo-

Product 1

HCID 866428736-(4-Chlorophenyl)benzo[d][1,3]dioxole-5-carbaldehyde

Reagents, catalysts & solvents 4

HCID 178418397HCID 178418397, compoundCatalyst
HCID 887
Methanol
Solvent
HCID 1140TolueneSolvent
HCID 3283Diethyl EtherSolvent

Procedure

To a solution of 6-bromobenzo[d][1,3]dioxole-5-carbaldehyde (4.6 g), 4-chlorophenylboronic acid (3.78 g) and tetrakis(triphenylphosphine)palladium(0) (0.232 g) in toluene (80 mL) and methanol (30 mL) was added 2N aqueous Na2CO3 (30 mL). The mixture was stirred at reflux overnight. The mixture was diluted with ether (400 mL) and washed with water, brine and dried over Na2SO4. After filtration and concentration of the solvent, the residue was loaded on a column and eluted with 3% ethyl acetate in hexane to give the product.

Workup

  1. temperatureat reflux overnight
  2. washwashed with water, brine
  3. dry with materialdried over Na2SO4
  4. filtrationAfter filtration and concentration of the solvent
  5. washeluted with 3% ethyl acetate in hexane
  6. customto give the product

Sources & evidence

ORD record
ord-f84bd010402d493db171e0aa20bba055
Source dataset
uspto-grants-2015_05
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09029404B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes