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

HRID 1378923Notes

Reaction equation

HRID 1378923 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 500W. 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. filtrationsubjected to filtration, whereupon the filtrate
  2. concentrationwas concentrated
  3. additionTo the residue, ethyl ether (200 ml) and IPE (200 ml) were added, whereupon the formed crystals
  4. filtrationwere collected by filtration

Sources & evidence

ORD record
ord-f531c31a741943c894ac0d5ebbccedc0
Source dataset
uspto-grants-1997_09
Patent number
US05670452

Reaction notes

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