1
10.1071/CH17652_AC
CSIRO 2018
Australian Journal of Chemistry 2018, 71(6), 399-406
SUPPLEMENTARY MATERIAL
Synthesis, photophysical and antioxidant properties of rhodamine B
decorated novel dendrimers
Jothinathan Sathiya Savithri and Perumal Rajakumar*
Department of Organic Chemistry, University of Madras, Guindy Campus
Chennai – 600 025, INDIA
*Corresponding Author: Tel No: +91 44 2220 2814; E-Mail: [email protected]
Content
1NMR and 13C NMR of the compound 1, 2, 3, 5, 8, 9, 11 and 12 ………………..S-1
Mass Spectrum of the dendrimers 1, 2, 3.................................................................S-2
Antioxidant activity of the dendrimers 1, 2, 3…………………………………… S-3
2
S-1
1H NMR Spectrum (300MHz, CDCl3) of compound 5
3
13C NMR spectrum (75MHz, CDCl3) of compound 5
4
1H NMR Spectrum (300MHz, DMSO-d6) of dendritic chloride 8
5
13C NMR spectrum (75MHz, DMSO-d6) of dendritic chloride 8
6
1H NMR Spectrum (300MHz, CDCl3) of dendritic azide 9
7
13C NMR spectrum (75MHz, CDCl3) of dendritic azide 9
8
1H NMR Spectrum (300MHz, CDCl3) of phenolic dendron 11
9
13C NMR spectrum (75MHz, CDCl3) of phenolic dendron 11
10
1H NMR Spectrum (300MHz, CDCl3) of the compound 12
11
13C NMR spectrum (75MHz, CDCl3) of alkyne dendron 12
12
1H NMR Spectrum (300MHz, CDCl3) of dendrimer1
13
13C NMR spectrum (75MHz, CDCl3) of dendrimer 1
14
1H NMR Spectrum (300MHz, CDCl3) of dendrimer 2
15
13C NMR spectrum (75MHz, CDCl3) of dendrimer 2
16
1H NMR Spectrum (300MHz, CDCl3) of dendrimer 3
17
13C NMR spectrum (75MHz, CDCl3) of dendrimer 3
S-2
18
Mass spectrum of dendrimer 1
[a.u.] x10
4 765.266
1244.506
Intens.
2.0
1723.577 [M+H]+
1.5
1.0
523.134
0.5
681.203
1389.910
0.0
500 750 1000 1250 1500 1750 2000 2250 2500 2750 m/z
19
Mass Spectrum of dendrimer 2
Mass spectrum of dendrimer 2
[M+H]+
20
Mass Spectrum of dendrimer 3
S-3
[M+H]+
21
DPPH scavenging assay Method
Fig. S1 DPPH scavenging activity determined from the spectrophotometric assay are various
concentration of rhodamine B decorated dendrimer 1, 2 and 3
Fig.S2 DPPH scavenging capacities (EC50) of rhodamine B decorated dendrimer 1, 2 and 3
comparable with the standard viz., butylated hydroxyl toluene (BHT).
0
20
40
60
80
100
120
20 40 60 80 100
DPPH Scavenging Activity (%
)
Concentration (µg/mL)
1
2
3
BHT
0
10
20
30
40
50
60
70
1 2 3 BHT
EC50value (µg/mL)
Dendrimers
22
Hydroxyl radical Scavenging Assay method
Fig. S3 Hydroxyl radical scavenging activity determined from the spectrophotometric assay with
various concentration of rhodamine B decorated dendrimer 1, 2 and 3
Fig. S4 Hydroxyl radical scavenging capacities (EC50) of rhodamine B decorated dendrimer 1, 2
and 3 comparable with the standard viz., Gallic Acid.
0
10
20
30
40
50
60
70
80
90
100
20 40 60 80 100
HO
.Scavenging Activity (%
)
Concentration (µg/mL)
1
2
3
Gallic Acid
0
10
20
30
40
50
60
70
1 2 3 Gallic acid
EC50value (µg/mL)
Dendrimers
Top Related