期刊
TETRAHEDRON LETTERS
卷 49, 期 33, 页码 4879-4881出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2008.06.003
关键词
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A new fluorescent sensor (1) based on a coumarin was synthesized for the selective detection of homocysteine (Hcy) and cysteine (Cys). The chemosensor has shown a selective response to Hcy or Cys over other various amino acids via a ring formation of thiazinane or thiazolidine. When Hcy or Cys was added, the fluorescent intensity of 1 was completely quenched through a photo-induced electron transfer with the sensitivity of sub-millimolar concentration. (C) 2008 Elsevier Ltd. All rights reserved.
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