【摘 要】
：
The halogen as a kind of alkylating reagent is used to introduce new group to realize the fluorescence sensors efficient of metal ion detection. The substituent
【基金项目】
：
This work was supported by the National Natural Science Foundation of China （No. 31572042）and the Research Science Foundation in Technology Innovation of Harbin （No 2015RAYXJ010）
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The halogen as a kind of alkylating reagent is used to introduce new group to realize the fluorescence sensors efficient of metal ion detection. The substituent at C-4 position was double bromine, which defined that the halogen as an alkylating reagent sh
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