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中文摘要：
咔唑分子经SN1烷基化、Friedel-Crafts双乙酰化和Claisen缩合3步反应，合成了标题化合物，其结构经元素分析、IR、^1HNMR和MS表征，还研究了中间体和目标化合物的电子吸收光谱行为。
英文摘要：
Based on carbazole molecular designing, a novel bis-β-diketone of 3,6-bis （4,4,4-trifluoro- 1,3-butyldoketone）-9-ethyl-carbazole was synthesized through reactions of SN1 alkylation, the Friedel-Crafts bi-acylation reaction and the Claisen condensation reaction, which had not been reported up to date. The structure of the said product was characterized by IR, ^1HNMR, MS and elemental analysis. The electronic absorption spectral properties were also studied.
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