【摘 要】
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1 Introduction Pyrazoline derivatives are formed by benzeno-hydrazone cyclization.Because cyclization leads to double bond hindering ,the compounds show stronge
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1 Introduction Pyrazoline derivatives are formed by benzeno-hydrazone cyclization.Because cyclization leads to double bond hindering ,the compounds show stronger fluorescence .The pyrazoline has N atom which attends conjugation by donating electron,and it
1 Introduction Pyrazoline derivatives are formed by benzeno-hydrazone cyclization.Because cyclization leads to double bond hindering, the compounds show enhance fluorescence. The pyrazoline has N atom which attends conjugation by donating electron, and it
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