Journal
TETRAHEDRON
Volume 65, Issue 22, Pages 4340-4344Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2009.03.074
Keywords
Fluorogenic chemosensor; Thiacalix[4]arene; Fluoride
Categories
Funding
- UGC (New Delhi, India) [33-276/2007]
- DST (New Delhi) [SR/FT/CS/10-2006]
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A new thiacalix[4]arene based fluorescent sensor I bearing two naphthyl groups has been synthesized in 1,3-alternate conformation. in the absence of fluoride ion, the receptor I is in 'off-state' showing no fluorescence emission. The presence of fluoride ion triggered the fluorescence emission to 'on-state' The. receptor shows pronounced selectivity for fluoride ions. In THF, the presence of F- ions induces the formation of a 1: 1 (G:H) complex. (C) 2009 Elsevier Ltd. All rights reserved.
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