摘要
1-[1-（Benzyloxy）-3-methylnaphthalen-4-yloxy]propan-2-one （la） took place a cyclization, debenzylation and oxidation to form 9-substitued benzo[de]chromene-7,8-dione （2a） and 5-benzyl-9-substitued benzo[de]chromene-7,8-dione （3a）. The mechanisms for these reactions were discussed.
1-[1-（Benzyloxy）-3-methylnaphthalen-4-yloxy]propan-2-one （la） took place a cyclization, debenzylation and oxidation to form 9-substitued benzo[de]chromene-7,8-dione （2a） and 5-benzyl-9-substitued benzo[de]chromene-7,8-dione （3a）. The mechanisms for these reactions were discussed.
基金
We are indebted to the National Natural Science Foundation of China （No.20272085,20472117）
the Guangzhou City Science Foundation,the Guangdong Provincial Science Foundation（031594）
the Scientific Research Foundation for the Returned 0verseas Chinese Scholars,and the HongKong Polytechnic University Area of Strategic Development Fund for financial support of this study.
