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Molecules 2014, 19(6), 7817-7831; https://doi.org/10.3390/molecules19067817

RBAP, a Rhodamine B-Based Derivative: Synthesis, Crystal Structure Analysis, Molecular Simulation, and Its Application as a Selective Fluorescent Chemical Sensor for Sn2+

1
Department of Biochemical Engineering, Nanjing University of Science & Technology, Chemical Engineering Building B308, 200 Xiaolinwei, Nanjing 210094, China
2
Department of Chemistry, School of Chemical Engineering, Nanjing University of Science & Technology, Nanjing 210094, China
*
Author to whom correspondence should be addressed.
Received: 18 April 2014 / Revised: 28 May 2014 / Accepted: 3 June 2014 / Published: 11 June 2014
(This article belongs to the Section Organic Chemistry)
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Abstract

A new fluorescent chemosensor based on a Rhodamine B and a benzyl 3-aminopropanoate conjugate (RBAP) was designed, synthesized, and structurally characterized. Its single crystal structure was obtained and analyzed by X-ray analysis. In a MeOH/H2O (2:3, v/v, pH 5.95) solution RBAP exhibits a high selectivity and excellent sensitivity for Sn2+ ions in the presence of many other metal cations. The binding analysis using the Job’s plot suggested the RBAP formed a 1:1 complex with Sn2+. View Full-Text
Keywords: rhodamine B; RBAP; Sn(II) ion; chemical sensor rhodamine B; RBAP; Sn(II) ion; chemical sensor
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Bao, X.; Cao, X.; Nie, X.; Jin, Y.; Zhou, B. RBAP, a Rhodamine B-Based Derivative: Synthesis, Crystal Structure Analysis, Molecular Simulation, and Its Application as a Selective Fluorescent Chemical Sensor for Sn2+. Molecules 2014, 19, 7817-7831.

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