Anthracene derivatives bearing sulfur atoms or selenium atoms as fluorescent chemosensors for Cu and Hg: different selectivity induced from ligand immobilization onto anthracene期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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Anthracene derivatives bearing sulfur atoms or selenium atoms as fluorescent chemosensors for Cu and Hg: different selectivity induced from ligand immobilization onto anthracene

Authors:	Yoon Ju Lee Dongwon Seo Ji Young Kwon Guiyoup Son Min Sun Park Yun-Hee Choi Jung Hyun Soh Ha Na Lee Kap Duk Lee Juyoung Yoon

Institution:	^aDivision of Nano Science and Department of Chemistry, Ewha Womans University, 11-1 Daehyon-Dong, Sodaemun-Ku, Seoul 120-750, Republic of Korea ^bDepartment of Chemistry, Dongguk University, Kyungju, Kyungbuk 780-714, Republic of Korea

Abstract:	Two new selenium containing anthracene derivatives and two new sulfur containing anthracene derivatives were synthesized as fluorescent chemosensors for Hg²⁺ and Cu²⁺. Compound 1 displayed a highly selective chelation enhanced fluorescence quenching (CHEQ) effect only with Cu²⁺, on the other hand, compounds 3 and 4 displayed highly selective chelation enhanced fluorescence (CHEF) effects only with Hg²⁺ among the metal ions examined.

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