specific detection of trivalent cations Supporting ... · 12PyBr in CDCl3. Fig. S5 MS spectrum of...
Transcript of specific detection of trivalent cations Supporting ... · 12PyBr in CDCl3. Fig. S5 MS spectrum of...
Supporting Information
A quinoline-functionalized amphiphilic fluorogenic probe for
specific detection of trivalent cations
Shengyang Tao* a, Ying Wei a, Chan Wang b, Zhaoqi Wang a, Pan Fan a,
Da Shia, Baojun Dinga and Jieshan Qiuc
Scheme 1 Synthetic routes to 1
Electronic Supplementary Material (ESI) for RSC Advances.This journal is © The Royal Society of Chemistry 2014
1.01.52.02.53.03.54.04.55.05.56.06.57.07.58.08.59.09.5f1 (ppm)
17.8
0
2.08
2.11
1.90
1.97
0.98
3.06
1.01
1.00
Fig. S1 1H NMR spectra of QC12Br in CDCl3.
Fig. S2 MS spectrum of QC12Br.
1.02.03.04.05.06.07.08.09.010.0f1 (ppm)
15.8
7
4.43
2.01
1.94
1.10
2.93
2.90
1.06
1.00
2.04
Fig. S3 1H NMR spectra of QC12PyBr in CDCl3.
253035404550556065707580859095105115125135145155f1 (ppm)
26.0
029
.35
31.9
6
62.1
2
69.0
6
76.8
177
.06
77.3
2
108.
83
119.
3912
1.53
126.
8512
8.43
129.
51
136.
17
140.
1314
2.65
145.
14
149.
07
154.
71
Fig. S4 13C NMR spectra of QC12PyBr in CDCl3.
Fig. S5 MS spectrum of QC12PyBr.
Fig. S6 Adsorption spectra of 1 (10-4 M) in water when titrated with Al3+ (0,
2, 4, 6, 8, 10, 12,14,16,18, 20 μL). Inset: Job's plot of 1 and Al3+ in the same
medium according to the absorbance at 365 nm.
Fig. S7 Adsorption spectra of 1 (10-4 M) in acetonitrile when titrated with
Al3+ (0, 2, 4, 6, 8, 10, 12,14,16,18, 20 μL). Inset: Job's plot of 1 and Al3+ in
the same medium according to the absorbance at 365 nm.
Fig. S8 Fluorescence titration spectra of 1 (10-4 M) upon titration with
Fe3+, Cr3+, Ru3+ and Au3+ (0, 2, 4, 6, 8, 10,12,14,16,18, 20 μL) in ethanol
absolute (excitation is at 365 nm, emission is monitored at 502 nm).
Fig. S9 Fluorescence titration spectra of 1(10-4 M) upon titration with
Al3+, Fe3+, Cr3+, Ru3+ and Au3+ (0, 2, 4, 6, 8,10,12,14,16,18, 20 μL) in
water.
Fig. S10 Fluorescence titration spectra of 1(10-4 M) upon titration with
Al3+, Fe3+, Cr3+, Ru3+ and Au3+ (0, 2, 4, 6, 8,10,12,14,16,18, 20 μL) in
acetonitrile.
Fig. S11 Fluorescence titration spectra of receptor with different guest
cations (0, 2, 4, 6, 8, 10, 12,14,16,18, 20 μL) in ethanol absolute
Fig. S12 Fluorescence titration spectra of receptor with different guest
cations (0, 2, 4, 6, 8, 10, 12,14,16,18, 20 μL) in water