Toluene → 5-Formyl-4'-methylbiphenyl-3-carboxylic acid

Reaction equation

Br[C:2]1[CH:3]=[C:4]([CH:8]=[C:9]([CH:11]=[O:12])[CH:10]=1)[C:5]([OH:7])=[O:6].B(O)(O)[C:14]1[CH:15]=[CH:16][C:17]([CH3:20])=[CH:18][CH:19]=1.C1(C)C=CC=CC=1.C(=O)([O-])[O-].[Cs+].[Cs+]>C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.O>[CH:11]([C:9]1[CH:8]=[C:4]([C:5]([OH:7])=[O:6])[CH:3]=[C:2]([C:14]2[CH:19]=[CH:18][C:17]([CH3:20])=[CH:16][CH:15]=2)[CH:10]=1)=[O:12]