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Potassium Carbonate → (4-Bromophenyl)(4-(dibenzo[b,c]furan-4-yl)phenyl)diphenylsilane

HRID 403153
Notes
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Reaction equation

HRID 403153 reaction equation
[CH:1]1[C:9]2[C:8]3[CH:10]=[CH:11][CH:12]=[CH:13][C:7]=3[O:6][C:5]=2[C:4](B(O)O)=[CH:3][CH:2]=1.Br[C:18]1[CH:23]=[CH:22][C:21]([Si:24]([C:37]2[CH:42]=[CH:41][C:40]([Br:43])=[CH:39][CH:38]=2)([C:31]2[CH:36]=[CH:35][CH:34]=[CH:33][CH:32]=2)[C:25]2[CH:30]=[CH:29][CH:28]=[CH:27][CH:26]=2)=[CH:20][CH:19]=1.C([O-])([O-])=O.[K+].[K+]>C1(C)C=CC=CC=1.O.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>[Br:43][C:40]1[CH:39]=[CH:38][C:37]([Si:24]([C:31]2[CH:32]=[CH:33][C:34]([C:13]3[CH:12]=[CH:11][CH2:10][C:8]45[CH:9]=[CH:1][CH:2]=[CH:3][C:4]4=[CH:5][O:6][C:7]=35)=[CH:35][CH:36]=2)([C:21]2[CH:22]=[CH:23][CH:18]=[CH:19][CH:20]=2)[C:25]2[CH:30]=[CH:29][CH:28]=[CH:27][CH:26]=2)=[CH:42][CH:41]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 3

HCID 11430Potassium CarbonateHCID 297512Bis(4-bromophenyl)diphenylsilaneHCID 2734328Dibenzofuran-4-boronic acid

Product 1

HCID 86674055(4-Bromophenyl)(4-(dibenzo[b,c]furan-4-yl)phenyl)diphenylsilaneYield 44%

Reagents, catalysts & solvents 3

HCID 178418397
HCID 178418397, compound
Catalyst
HCID 962WaterSolvent
HCID 1140TolueneSolvent

Procedure

A solution of dibenzo[b,d]furan-4-ylboronic acid (2.60 g, 12.26 mmol), with bis(4-bromophenyl)diphenylsilane (12.12 g, 24.53 mmol), Pd(PPh3)4 (0.283 g, 0.245 mmol) and K2CO3 (5.08 g, 36.8 mmol) in toluene (200 mL) and water (50 mL) was refluxed under nitrogen overnight. After cooling to room temperature, the organic phase was isolated. Upon evaporation of the solvent, the residue was purified by column chromatography on silica gel with hexane:DCM (9:1, v/v) as eluent to yield (4-bromophenyl)(4-(dibenzo[b,c]furan-4-yl)phenyl)diphenylsilane (3.14 g, 44%) as a white solid.

Workup

  1. customthe organic phase was isolated
  2. customUpon evaporation of the solvent
  3. customthe residue was purified by column chromatography on silica gel with hexane:DCM (9:1

Sources & evidence

ORD record
ord-7c14a76ec56148ecac61249cddbcdcf4
Source dataset
uspto-grants-2014_06
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08748012B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes