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摘要
Dibenzo[b,e]oxepine derivatives have been constructed efficiently by one-pot tandem carbon-carbon bond formation reactions. First, 2-(3,5-dimethoxybenzyloxy)benzaldehydes were treated with various nucleophiles under I-2 catalysis and then 1-(3,5-dimethoxybenzyloxy)-3,5-dimethoxybenzene was treated with several aromatic as well as heteroaromatic aldehydes under BF3 center dot Et2O catalytic conditions to provide dibenzo[b,e]oxepines in good yields.
- 出版日期2011-4
