A highly efficient friedel-crafts reaction of 3-hydroxyoxindoles and aromatic compounds to 3,3-diaryl and 3-alkyl-3-aryloxindoles catalyzed by Hg(ClO ₄) ₂·3 H ₂O

Keyphrases

• 3-hydroxyoxindole 100%
• Diaryl 100%
• Carbocations 33%
• Heteroaromatic Compounds 33%
• Dual Activation 33%
• Perchlorate Hydrates 33%
• Mercuration 33%
• Metal Perchlorates 33%
• Activation Effect 33%
• Oxindole 33%
• Protic Acids 33%

Chemistry

• Perchlorate 50%
• Carbocation 50%
• Oxindole 50%
• Nucleophilic Reaction 50%