2-Bromo-5-methoxybenzoic acid → 5-Methoxy-2-propionylbenzoic acid

Reaction equation

Br[C:2]1[CH:10]=[CH:9][C:8]([O:11][CH3:12])=[CH:7][C:3]=1[C:4]([OH:6])=[O:5].C([Li])CCC.CON(C)[C:21](=[O:24])[CH2:22][CH3:23]>>[CH3:12][O:11][C:8]1[CH:9]=[CH:10][C:2]([C:21](=[O:24])[CH2:22][CH3:23])=[C:3]([CH:7]=1)[C:4]([OH:6])=[O:5]

Participants

Reactant 3

HCID 899062-Bromo-5-methoxybenzoic acid

HCID 11344007N-Methoxy-N-methylpropionamide

HCID 178418339Butyllithium

Product 1

HCID 576917535-Methoxy-2-propionylbenzoic acid

Procedure

This compound is synthesized according to the method described in 3.2. by reacting 2-bromo-5-methoxybenzoic acid pretreated with n-butyllithium with N-methoxy-N-methylpropionamide. It is used in crude form in the following reaction.