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Can. J. Chem. Vol. 91, 2013
Oil (lit. report:78 oil). IR (neat, cm−1) : 2928, 2853, 2190, 2140,
Solid; mp 45–47 °C (lit. value71 mp 47 °C). IR (KBr, cm−1) : 3020,
2172, 2132, 1679, 1582, 846. 1H NMR (400 MHz, CDCl3, 25 °C, ppm)
␦: 7.91 (d, 2H, J = 8.4 Hz), 7.63 (d, 2H, J = 8.4 Hz). 13C NMR (100 MHz,
CDCl3, 25 °C, ppm) ␦: 171.8 (171.8), 49 132.1, 130.9, 129.8, 129.5.
1705, 1564, 1407, 690.
Solid; mp 109–111 °C (lit. value79 mp 110–111 °C). IR (KBr, cm−1) :
3066, 2194, 2142, 1712, 1574. 1H NMR (100 MHz, CDCl3, 25 °C, ppm)
␦: 8.4 (d, 2H), 7.9–8.1 (t, 1H). Anal. calcd. for C7H3N7O2 (%): C 38.91,
H 1.42, N 45.49; found: C 38.72, H 1.39, N 45.15.
Solid; mp 33–35 °C (lit. value71 mp 35 °C). IR (KBr, cm−1) : 3043,
2924, 2868, 2181, 2131(2180, 2150),58 1693 (1690),58 1608, 832.
Supplementary data
Solid; mp 29–31 °C. IR (KBr, cm−1) : 3050, 2930, 2921, 2905, 2138,
1696, 1607, 885, 650. 1H NMR (100 MHz, CDCl3, 25 °C, ppm) ␦: 7.65
(2H), 7.25 (1H), 2.39 (s, 6H).
Supplementary data are available with the article through the
cjc-2011-0493.
Acknowledgments
Solid; mp 68–70 °C (lit. value71 mp 70–71 °C). IR (KBr, cm−1) :
3016, 2990, 2186 (2179),59 2135 (2127),59 1677, 1597, 1509, 849.
1H NMR (400 MHz, CDCl3, 25 °C, ppm) ␦: 8.00 (d, 2H, J = 9.2 Hz), 6.96
(d, 2H, J = 9.2 Hz), 3.89 (s, 3H). 13C NMR (100 MHz, CDCl3, 25 °C,
ppm) ␦: 171.7 (171.69 –CON3),59 164.6, 131.7 123.2, 113.9, 55.5.
We gratefully acknowledge the partial support of this study by
the Ferdowsi University of Mashhad Research Council (grant No.
p/3/19312).
References
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Solid; mp 81–83 °C (lit. value24 mp 82–84 °C). IR (KBr, cm−1) :
3064, 2150 (2148),29 2099 (2103),29 1681 (1683),29 1632, 1450, 760,
700. 1H NMR (400 MHz, CDCl3, 25 °C, ppm) ␦: 7.78 (d, 1H, J =
16.0 Hz), 7.57 (d, 2H, J = 7.6 Hz), 7.46 (m, 3H), 6.46 (d, 1H, J = 15.6 Hz).
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146.8, 133.8, 131.2, 129.1, 128.6, 119.1. Anal. calcd. for C9H7N3O (%): C
62.42, H 4.07, N 24.27; found: C 63.59, H 4.18, N 24.33.
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Solid; mp 118–120 °C (lit. value29 mp 120 °C). IR (KBr, cm−1) :
3080, 2142, 1674, 1626, 1614, 1528, 1159, 910, 860, 747.
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Solid; mp 138–140 °C (lit. value29 mp 140 °C). IR (KBr, cm−1) :
3068, 2146 (2150),73 1680 (1685),73 1629, 1588, 1498, 826. H NMR
1
(400 MHz, CDCl3, 25 °C, ppm) ␦: 7.72 (d, 1H, J = 16 Hz), 7.49 (d, 2H,
J = 8.4 Hz), 7.40 (d, 2H, J = 8.4 Hz), 6.41 (d, 1H, J = 16.0 Hz). 13C NMR
(100 MHz, CDCl3, 25 °C, ppm) ␦: 171.9, 145.2, 137.1, 132.3, 129.7,
129.4, 119.6.
Oil (lit. report:25 oil). IR (neat, cm−1) : 3039, 2989, 2267, 2138
(2137),59 1713 (1714),59 1492, 1454, 719.
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Oil (lit. report:74 oil). IR (neat, cm−1) : 3059, 3031, 2985, 2257,
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2133, 1722, 1644, 1465, 1353.
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Solid; mp 37–39 °C (lit. value76 mp 38–40 °C). IR (KBr, cm−1) :
2923, 2852, 2272, 2135 (2145),77 1716 (1710),77 1464, 1192, 722.
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Oil (lit. report:78 oil). IR (neat, cm−1) : 3108, 2928, 2201 (2273),76
2139 (2139),76 1686, 1516, 728. 1H NMR (100 MHz, CDCl3, 25 °C, ppm)
␦: 8.2 (dd, 1H), 7.6 (dd, 1H), 7.4 (dd, 1H).
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