Synthesis of functionalized hydrazonoyl chlorides through an unexpected Sc(OTf) 3 -catalyzed Friedel–Crafts reaction

Key Points

• The research aims to explore the synthesis of functionalized hydrazonoyl chlorides using a unique catalytic approach.
• Utilized Sc(OTf)3 as a catalyst in the Friedel–Crafts reaction
• Combined arylhydrazonoyl chlorides with cyclobutanes
• Conducted reactions under mild conditions
• Achieved good yields of complex functionalized hydrazonoyl chlorides
• Demonstrated the effectiveness of Sc(OTf)3 as a catalyst