1842
HETEROCYCLES, Vol. 68, No. 9, 2006
yields. Compound (3h) (Entry 8), mp 116-117 °C. IR (KBr): 3291, 2979, 1689, 1544, 1254, 1023, 738
-1 1
cm . H NMR (500 MHz, CDCl
3
): 1.39 (t, J = 7.12 Hz, 3H), 2.13 (s, 3H), 2.79 (t, J = 7.86 Hz, 2H), 3.34
(
t, J = 7.83 Hz, 2H), 4.40 (q, J = 7.01 Hz, 2H), 7.13 (t, J = 7.47 Hz, 1H), 7.30 (t, J = 7.07 Hz, 1H), 7.35 (d,
+
J = 8.26 Hz, 1H), 7.68 (d, J = 8.26 Hz, 1H), 8.81 (s, 1H). EIMS: m/z 259 (M ), 216, 202, 189, 170, 156,
1
7
1
43. Compound (3m) (Entry 13), mp 104-105 °C. IR (KBr): 3409, 3022, 2902, 1606, 1461, 1300, 1093,
-1 1
33 cm . H NMR (500 MHz, CDCl
3
): 2.45 (s, 3H), 3.56 (dd, J = 15.35, 6.05 Hz, 1H), 3.75 (dd, J =
5.35, 8.70 Hz, 1H), 5.01 (t, J = 7.34 Hz, 1H), 6.61 (d, J = 16.19 Hz, 1H), 7.06 (t, J = 7.48 Hz, 1H), 7.13
(
t, J = 7.51 Hz, 1H), 7.21 (t, J = 7.28 Hz, 2H), 7.28 (d, J = 11.32 Hz, 1H), 7.31-7.44 (m, 8H), 7.52 (d, J =
+
7
.83 Hz, 2H), 7.87 (br s, 1H). EIMS: m/z 365(M ), 234, 220, 204, 145, 131.
ACKNOWLEDGEMENT
We are thankful to the Isfahan University Research Council for partial support of this work.
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