A new rhodamine based colorimetric ‘off–on’ fluorescence sensor selective for Pd2+ along with the first bound X-ray crystal structure

Shyamaprosad Goswami; Debabrata Sen; Nirmal Kumar Das; Hoong-Kun Fun; Ching Kheng Quah

doi:10.1039/C1CC12845K

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A new rhodamine based colorimetric ‘off–on’ fluorescence sensor selective for Pd²⁺ along with the first bound X-ray crystal structure†

Shyamaprosad Goswami,*^a Debabrata Sen,^a Nirmal Kumar Das,^a Hoong-Kun Fun*^b and Ching Kheng Quah^b

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* Corresponding authors

^a Department of Chemistry, Bengal Engineering and Science University, Shibpur, Howrah 711103, West Bengal, India
E-mail: spgoswamical@yahoo.com
Fax: +91-3326682916

^b X-ray Crystallography Unit, School of Physics, Universiti Sains Malaysia, Penang, Malaysia
E-mail: hkfun@usm.my
Fax: +604 6579150

Abstract

A new fluorescence rhodamine derivative bearing an 8-aminoquinoline moiety has been designed and synthesized for selective sensing of Pd²⁺ in the presence of other competing metal ions in aqueous media. Pd²⁺ induced spirolactam ring opening of rhodamine is confirmed for the first time by the X-ray crystal structure of the bound Pd²⁺-complex.

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Article information

DOI: https://doi.org/10.1039/C1CC12845K
Article type: Communication
Submitted: 15 May 2011
Accepted: 06 Jun 2011
First published: 05 Jul 2011

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Chem. Commun., 2011,47, 9101-9103

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A new rhodamine based colorimetric ‘off–on’ fluorescence sensor selective for Pd²⁺ along with the first bound X-ray crystal structure

S. Goswami, D. Sen, N. K. Das, H. Fun and C. K. Quah, Chem. Commun., 2011, 47, 9101 DOI: 10.1039/C1CC12845K

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