N-bromobutanimide → Methyl 2-(bromomethyl)-3-nitrobenzoate

HRID 1734414Notes

Reaction equation

HRID 1734414 reaction equation
[CH3:1][C:2]1[C:11]([N+:12]([O-:14])=[O:13])=[CH:10][CH:9]=[CH:8][C:3]=1[C:4]([O:6][CH3:7])=[O:5].[Br:15]N1C(=O)CCC1=O>C(Cl)(Cl)(Cl)Cl.C(OOC(=O)C1C=CC=CC=1)(=O)C1C=CC=CC=1>[Br:15][CH2:1][C:2]1[C:11]([N+:12]([O-:14])=[O:13])=[CH:10][CH:9]=[CH:8][C:3]=1[C:4]([O:6][CH3:7])=[O:5]

Participants

5

Reactant 2

HCID 67184N-bromobutanimideHCID 601165Methyl 2-methyl-3-nitrobenzoate

Product 1

HCID 1487795Methyl 2-(bromomethyl)-3-nitrobenzoateYield 88.3%

Reagents, catalysts & solvents 2

HCID 7187Benzoyl PeroxideCatalystHCID 5943Carbon TetrachlorideSolvent

Procedure

A suspension containing 98 g (0.5 mol) of methyl 2-methyl-3-nitrobenzoate, 100 g (0.56 mol) of N-bromosuccinimide and 1 g of benzoyl peroxide in carbon tetrachloride (800 ml), was refluxed for 3 days under irradiation with 500 W. The suspension was cooled to room temperature and subjected to filtration, whereupon the filtrate was concentrated. To the residue, ethyl ether (200 ml) and IPE (200 ml) were added, whereupon the formed crystals were collected by filtration to obtain 121 g (yield: 88.3%) of the desired product. Melting point: 65°-67° C.

Workup

  1. temperaturewas refluxed for 3 days under irradiation with 500 W
  2. filtrationsubjected to filtration, whereupon the filtrate
  3. concentrationwas concentrated
  4. additionTo the residue, ethyl ether (200 ml) and IPE (200 ml) were added, whereupon the formed crystals
  5. filtrationwere collected by filtration

Sources & evidence

ORD record
ord-67a5b31daed8449abb98430a6a46ee14
Source dataset
uspto-grants-1996_07
Patent number
US05534481

Reaction notes

Loading…