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Organic Chemistry International
Table of Contents
Organic Chemistry International
/
2013
/
Article
/
Tab 1
/
Research Article
Rapid and Efficient Synthesis of Hydroxytriarylmethanes under Ultra Sonic Irradiation Using Keggin Heteropolyacids and Preyssler Catalysts in Green Conditions
Table 1
Physical and spectral data of the compounds
(a
–
f)
.
Entry
Product
Structure
1
H NMR
(DMSO, ppm)
IR (
, cm
−1
)
% Analysis Calc (Found)
m.p. (°C)
1
a
6.33–8.06 (m, 14H, OH, SO
3
H, Ar–H)
3441, 1662, 1676
C: 64.40 (64.22),
H: 3.95 (4.09)
296-297
2
b
2.09 (s, 3H, CH
3
), 2.48 (s, 3H, CH
3
), 6.07–8.10 (m, 12H, OH, SO
3
H, Ar–H)
3433, 1667, 1671
C: 65.97 (66.28),
H: 4.71 (5.01)
—
3
c
1.90 (s, 3H, CH
3
), 2.34 (s, 3H, CH
3
), 5.92–8.13 (m, 12H, OH, SO
3
H, Ar–H)
3438, 1666, 1678
C: 65.97 (65.75),
H: 4.71 (4.96)
247-248
4
d
6.25–7.98 (m, 12H, OH, SO
3
H, Ar–H)
3427, 1665, 1677
C: 44.53 (44.78),
H: 2.34 (2.59)
225–227
5
e
6.29–8.11 (m, 12H, OH, SO
3
H, Ar–H)
3421, 1668, 1680
C: 53.90 (54.22),
H: 2.84 (3.09)
256–258
6
f
6.37–8.01 (m, 10H, OH, SO
3
H, Ar–H)
3425, 1664, 1678
C: 34.03 (33.81),
H: 1.49 (1.29)
266–269 (decom)
