Synthesis of Trifluoromethylated Cycloheptatrienes from N-Tosylhydrazones: Transition-Metal-Free Büchner Ring Expansion
摘要:
A transition-metal-free Buchner reacting using trifluoromethylated N-tosylhydrazones as substrates is reported. A series of trifluoromethylated cycloheptatriene derivatives can be synthesized by this straightforward method.