Mechanochemical synthesis of bis-benzoquinonylmethanes promoted by sulfonic acid-functionalized chitosan

Key Points

• The research aims to develop a sustainable method for synthesizing bis-benzoquinonylmethanes using chitosan.
• Utilized mechanochemical synthesis
• Applied sulfonic acid-functionalized chitosan as a promoter
• Conducted reactions under solvent-free conditions
• Achieved high yields of bis-benzoquinonylmethanes
• Demonstrated a broad substrate scope
• Presented a scalable and sustainable synthesis protocol