Post on 18-Jun-2020
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Photophysical and thermal properties of novel solid state fluorescent
benzoxazole based styryl dyes with DFT study
Urmiladevi Narad Yadava, Haribhau Shantaram Kumbhar a, Saurabh Satish
Deshpandea, Suban Kumar Sahoob,, Ganapati Subray Shankarlinga,*
aDyestuff Technology Department, Institute of Chemical Technology, Matunga,
Mumbai 400 019, India
bDepartment of Applied Chemistry, SV National Institute of Technology (SVNIT),
Surat-395007, India.
*Corresponding author (Dr. GS Shankarling) E-mail addresses:
gsshankarling@gmail.com, gs.shankarling@ictmumbai.edu.in Tel.: +91 2233612708;
fax: +91 22 33611020.
Table of Contents
1. Absorbance and emission spectra of compounds 6a-6e (Fig. S1-Fig. S5)…................................................................................................Page 2-5
2. Photochemical stability study spectra (Fig. S6)…….………....Page 5-63. FT-IR spectra……………………………………………...…….Page 7-9 4. HR-MS spectra…………………………………………………..Page 9-115. 1H-NMR spectra…………………………………………………Page 12-186. C13-NMR spectra………………………………………………...Page 18-20
Electronic Supplementary Material (ESI) for RSC Advances.This journal is © The Royal Society of Chemistry 2015
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1. Absorbance and emission spectra of compounds 6a-6e
Figure S1(a). Absorption studies of dye 6a in different solvents.
Figure S1(b). Emission studies of dye 6a in different solvents.
Figure S2(a). Absorption studies of dye 6b in different solvents.
3
Figure S2(b). Emission studies of dye 6b in different solvents.
Figure S3(a) Absorption studies of dye 6c in different solvents.
Figure S3(b). Emission studies of dye 6c in different solvents.
4
Figure S4(a). Absorption studies of dye 6d in different solvents.
Figure S4(b). Emission studies of dye 6d in different solvents.
Figure S5(a). Absorption studies of dye 6e in different solvents.
5
Figure S5(b). Emission studies of dye 6e in different solvents.
2. Photochemical stability study spectra of compounds 6a-6e
6
Figure S6. Uv-vis spectra of photostability study for dye 6a-6e.
7
3. FT-IR spectra
CNNC
N
O
O
NC
N
O
NH2
H
8
O
NC
N
O
O
NC
H
N
SO
N
6e
9
4. HR-MS Spectra
CNNC
N
O
NC
H
N
NH
O
N
10
O
NC
N
O
NH2
O
NC
N
O
O
11
NC
H
N
NH
O
N
NC
H
N
SO
N
6e
12
5. 1H NMR spectra
CNNC
N
O
CNNC
N
O
13
O
NC
N
O
NH2
CNNC
N
O
14
O
NC
N
O
NH2
O
NC
N
O
NH2
15
O
NC
N
O
O
O
NC
N
O
O
16
NC
H
N
SO
N
6e
O
NC
N
O
O
17
NC
H
N
NH
O
N
NC
H
N
NH
O
N
18
C13 -NMR spectra
0102030405060708090100110120130140150160170180f1 (ppm)
28.0
1
32.0
4
39.2
0
42.9
6
79.6
0
110.
6211
2.49
113.
26
120.
1312
4.50
124.
7812
5.45
127.
8512
7.92
128.
1413
0.88
135.
5413
8.54
142.
12
150.
7915
3.05
162.
30
168.
93
O
NC
N
O
NH2
CNNC
N
O
19
O
NC
N
O
O
NC
H
N
SO
N
6e
20
0102030405060708090100110120130140150160170f1 (ppm)
104.
438
111.
553
116.
390
120.
566
125.
593
126.
517
128.
392
128.
952
130.
743
136.
089
141.
950
144.
332
147.
633
150.
802
161.
822
NC
H
N
NH
O
N