Transition-metal-free intramolecular N-arylations.
作者： Isabelle Thomé , Carsten Bolm
DOI: 10.1021/OL3005134
关键词:
摘要: N-Substituted phenoxazines and related aza analogs have been prepared from N-acetylated aryloxy anilides by transition-metal-free, base-catalyzed cyclization reactions. In the presence of a mixture 10 mol % N,N′-dimethylethylenediamine (DMEDA) 2 equiv K2CO3 in toluene at 135 °C products are obtained high yields.
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