Supporting Information
for
Fluorescent Polyamide-Based Rhodamine Hydrazide Moieties with
Oxethyl as Spacer for Detection of Cr3+, Fe3+, and Hg2+ Ions
in Water
Tong-Mou Geng1* ·Xie Wang1 ·Hui Jiang1 ·Wan Song1 ··Ruo-Fan Ni1 ·Jian Chen1 ·Yu Wang2
1 Collaborative Innovation Center for Petrochemical New Materials, Anqing, Anhui 246011,
P. R. China; Anhui Key Laboratory of Functional Coordination Compounds, School of Chemistry
and Chemical Engineering, Anqing Normal University, Anqing 246011, P. R. China
2 School of Resource and Environmental Science, Anqing Normal University, Anqing 246011,
P. R. China
80
2869.21
2941.44
2968.63
3085.29
3447.65
I/I0
100
1120.00
1219.31
1354.73
1454.04
1517.24
1625.58
1697.81
RBHE
60
4000
3500
3000
2500
2000
1500
-1
Wavenumber/cm
Fig. S1 FTTR spectrum of RBHE
1000
500
100
1120.00
1219.31
1363.76
1463.07
1517.24
1652.58
1688.78
I/I0
2869.42
2941.44
2997.55
3085.29
3437.99
80
60
ARBHE
40
4000
3500
3000
2500
2000
1500
-1
Wavenumber/cm
Fig. S2 FTTR spectrum of ARBHE
1000
500
Fig. S3. 1HNMR spectrum of N-acryl-N′-(rhodamine B-yl) diethylenediamine
(ARBHE)
1
H NMR (400 MHz, CDCl3) of ARBHE (d, ppm): 7.920-7.944 (m, Ph) n;
7.432-7.456 (m, Ph) l; 7.104-7.113 (m, Ph) m k; 6.517-6.539 (d, NH) e; 6.300-6.468
(m, Ph)h i j; 6.255 -6.284 (m, -CH=CH2) a b; 3.613(s, NH) c; 3.304-3.365 (m, NH,
NCH2 ) d g; 1.115-1.822 (m, CH3) f.
569.28
80
1120.00
1336.68
1463.07
2787.96
2860.19
2923.39
I/I0
100
1616.55
1661.69
3194.23
3428.97
poly(AM-ARBHE)
60
4000
3500
3000
2500
2000
1500
1000
-1
Wavenumber/cm
Fig. S4 FTIR spectrum of poly(AM-ARBHE)
500
Fig. S5. 1HNMR spectrum of poly(AM-ARBHE)
1
H NMR (400 MHz, D2O), δ: 0.969–1.146 (m, -CH3) g, 1.284–1.730 (d,-CH2-) a,
2.147–2.289 (m,–CH-) b, 3.573–3.699 (m, -CH2-) e h d, 6.148 (m, -CO-NH2) c,
6.196-6.496 (m, Φ-H) i j, 6.913 (m,–Φ–H, NH-) f k, 7.657 (m, Φ-H) l m n o.