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Benzoyl Peroxide → 4-(4-Bromomethylphenyl)butyl tert-butyldimethylsilyl ether

HRID 1751877
Notes
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Reaction equation

HRID 1751877 reaction equation
[Si:1]([O:8][CH2:9][CH2:10][CH2:11][CH2:12][C:13]1[CH:18]=[CH:17][C:16]([CH3:19])=[CH:15][CH:14]=1)([C:4]([CH3:7])([CH3:6])[CH3:5])([CH3:3])[CH3:2].[Br:20]N1C(=O)CCC1=O.C(OOC(=O)C1C=CC=CC=1)(=O)C1C=CC=CC=1>C(Cl)(Cl)(Cl)Cl>[Si:1]([O:8][CH2:9][CH2:10][CH2:11][CH2:12][C:13]1[CH:14]=[CH:15][C:16]([CH2:19][Br:20])=[CH:17][CH:18]=1)([C:4]([CH3:6])([CH3:5])[CH3:7])([CH3:2])[CH3:3]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 7187Benzoyl PeroxideHCID 67184N-bromobutanimideHCID 596786264-(4-Methylphenyl)butyl tert-butyldimethylsilyl ether

Product 1

HCID 596786244-(4-Bromomethylphenyl)butyl tert-butyldimethylsilyl ether

Reagents, catalysts & solvents 1

HCID 5943Carbon TetrachlorideSolvent

Procedure

To a 50 ml round bottom flask is charged 4-(4-methylphenyl)butyl tert-butyldimethylsilyl ether (0.25 g, 0.89 mmol), N-bromosuccinimide (0.158 g, 0.89 mmol), benzoyl peroxide (2.17 mg, 0.0089 mmol) and 10 ml carbon tetrachloride. This mixture is refluxed overnight after which it is cooled and filtered. The filtrate is concentrated and the resulting crude residue purified by flash chromatography in ethyl acetate-hexanes to afford the product.

Workup

  1. temperatureThis mixture is refluxed overnight after which it
  2. temperatureis cooled
  3. filtrationfiltered
  4. concentrationThe filtrate is concentrated
  5. customthe resulting crude residue purified by flash chromatography in ethyl acetate-hexanes
  6. customto afford the product

Sources & evidence

ORD record
ord-85a006ae101c4710b676c7fe3b92ccd3
Source dataset
uspto-grants-2015_10
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09161997B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes