Sodium Carbonate → 9-(3-Bromophenyl)phenanthrene

HRID 1660662Notes

Reaction equation

HRID 1660662 reaction equation
[CH:1]1[C:14]2[CH:13]=[C:12](B(O)O)[C:11]3[C:6](=[CH:7][CH:8]=[CH:9][CH:10]=3)[C:5]=2[CH:4]=[CH:3][CH:2]=1.[Br:18][C:19]1[CH:20]=[C:21](I)[CH:22]=[CH:23][CH:24]=1.C(=O)([O-])[O-].[Na+].[Na+]>[Pd].C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.O.C1(C)C=CC=CC=1.C(COC)OC>[Br:18][C:19]1[CH:24]=[C:23]([C:12]2[C:11]3[C:6]([C:5]4[CH:4]=[CH:3][CH:2]=[CH:1][C:14]=4[CH:13]=2)=[CH:7][CH:8]=[CH:9][CH:10]=3)[CH:22]=[CH:21][CH:20]=1

Participants

8

Reactant 3

HCID 10340Sodium CarbonateHCID 11561Benzene, 1-bromo-3-iodo-HCID 117757049-Phenanthracenylboronic acid

Product 1

HCID 221380359-(3-Bromophenyl)phenanthreneYield 74%

Reagents, catalysts & solvents 4

HCID 11979704Tetrakis(triphenylphosphine)palladiumCatalystHCID 962WaterSolventHCID 1140TolueneSolvent2×HCID 80711,2-DimethoxyethaneSolvent

Procedure

Under an argon gas atmosphere, 31.4 g (141 mmol) of 9-phenanthreneboronic acid, 40.0 g (141 mmol) of 3-bromoiodobenzene, 3.30 g (2.83 mmol) of tetrakis(triphenylphosphine) palladium(0), 200 mL of toluene, 50 mL of dimethoxyethane and 212 mL of 2M sodium carbonate solution were mixed, and stirred for four hours while being refluxed. After the reaction, the reaction mixture was further added with toluene, and cleansed by water. After organic phase thereof was dried with magnesium sulfate, the toluene was distilled away under reduced pressure. Residue thereof was refined by silica-gel column chromatography, such that 34.7 g of 9-(3-bromophenyl)phenanthrene was obtained with an yield of 74%.

Workup

  1. temperaturewhile being refluxed
  2. customAfter the reaction
  3. dry with materialAfter organic phase thereof was dried with magnesium sulfate
  4. distillationthe toluene was distilled away under reduced pressure
  5. customwas obtained with an yield of 74%

Sources & evidence

ORD record
ord-63e0eabc98a344d391807e2e96190728
Source dataset
uspto-grants-2011_10
Patent number
US08029697B2

Reaction notes

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