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]chrome...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.展开更多
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.
文摘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.