1454
A. O. Abdelhamid et al.
TABLE III Spectra of Some Newly Synthesized Compounds
Comp. no.
Spectral data
2
1H NMR: 2.81 (s, 6H, N(CH3)2), 3.26 (dd, J = 15.0, 8.2 Hz, 1H, CH2(pyraz)), 3.82
(dd, J = 15.0, 12.2 Hz, 1H, CH(pyraz)), 5.36 (br., s, 2H, NH2), 5.68 (dd, J =
12.2, 8.2 Hz, 1H, CH2(pyraz)), 7.21–7.81 (m, 9H, ArH’s).
4a
4b
4c
4d
5
1H NMR: 2.47, (s, 3H, CH3), 2.81 (s, 6H, N(CH3)2), 3.26 (dd, J = 15.0, 8.2 Hz,
1H, CH2(pyraz)), 3.82 (dd, J = 15.0, 12.2 Hz, 1H, CH(pyraz)), 5.68 (dd, J = 12.2,
8.2 Hz, 1H, CH2(pyraz)), 7.21–7.81 (m, 14H, ArH’s).
1H NMR: 2.81 (s, 6H, N(CH3)2), 3.26 (dd, J = 15.0, 8.2 Hz, 1H, CH2(pyraz)), 3.82
(dd, J = 15.0, 12.2 Hz, 1H, CH(pyraz)), 5.68 (dd, J = 12.2, 8.2 Hz, 1H,
CH2(pyraz)), 7.21–7.81 (m, 19H, ArH’s).
1H NMR: 2.81 (s, 6H, N(CH3)2), 3.26 (dd, J = 15.0, 8.2 Hz, 1H, CH2(pyraz)), 3.82
(dd, J = 15.0, 12.2 Hz, 1H, CH(pyraz)), 5.36 (br., s, 2H, NH2), 5.68 (dd, J =
12.2, 8.2 Hz, 1H, CH2(pyraz)), 7.21–7.81 (m, 17H, ArH’s).
1H NMR: 2.81 (s, 6H, N(CH3)2), 3.26 (dd, J = 15.0, 8.2 Hz, 1H, CH2(pyraz)), 3.82
(dd, J = 15.0, 12.2 Hz, 1H, CH(pyraz)), 5.36 (br., s, 2H, NH2), 5.68 (dd, J =
12.2, 8.2 Hz, 1H, CH2(pyraz)), 7.21–7.81 (m, 21H, ArH’s).
1H NMR: 2.47, (s, 3H, CH3), 2.81 (s, 6H, N(CH3)2), 3.26 (dd, J = 15.0, 8.2 Hz,
1H, CH2(pyraz)), 3.82 (dd, J = 15.0, 12.2 Hz, 1H, CH(pyraz)), 5.68 (dd, J = 12.2,
8.2 Hz, 1H, CH2(pyraz)), 7.21–7.81 (m, 14H, ArH’s).
7a
7b
7c
7d
8
1H NMR: 2.21(t, 3H, CH3), 2.85 (s, 6H, N(CH3)2, 6.46-7.48 (m, 9H, ArH’s),
8.21(s, 1H, CH=N), 9.24 (s, br., 1H, NH).
2.85 (s, 6H, N(CH3)2, 6.46-7.48 (m, 14H, ArH’s), 8.21(s, 1H, CH N), 9.24 (s,
br., 1H, NH).
1H NMR: 2.85 (s, 6H, N(CH3)2, 6.46-7.48 (m, 12H, ArH’s), 8.21(s, 1H, CH N),
9.24 (s, br., 1H, NH).
1H NMR: 2.85 (s, 6H, N(CH3)2, 6.46-7.89 (m, 19H, ArH’s), 8.21(s, 1H, CH N),
9.24 (s, br., 1H, NH).
1H NMR: 1.30 (t, 3H, CH2CH3), 1.74 (s, 3H, CH3), 2.85 (s, 6H, N(CH3)2, 4.12
(q, 2H, CH2CH3), 4.59 (s, 1H, pyrimidine C4), 6.46-6.88 (m, 4H, ArH’s), 9.45
(s, br., 2H, 2NH).
12a
12b
12c
13
1H NMR: 1.31 (t, 3H, CH2CH3), 1.71 (s, 3H, CH3), 2.0 (s, 3H, CH3), 2.85 (s, 6H,
N(CH3)2, 4.19 (q, 2H, CH2CH3), 4.59 (s, 1H, pyrimidine C4), 6.46-7.04 (m,
9H, ArH’s). IR: 3056, 2984 (CH), 1713, 1665 (CO’s), 1620 (C N) and 1600
(C C).
1H NMR: 1.31 (t, 3H, CH2CH3), 1.29 (t, 3H, CH2CH3), 1.71 (s, 3H, CH3), 2.85
(s, 6H, N(CH3)2, 4.19 (q, 2H, CH2CH3), 4.22 (q, 2H, CH2CH3), 4.59 (s, 1H,
pyrimidine C4), 6.46-7.05 (m, 9H, ArH’s). IR: 3060, 2975 (CH), 1713 (CO’s),
1625 (C N) and 1610 (C C).
1H NMR: 1.31 (t, 3H, CH2CH3), 1.71 (s, 3H, CH3), 2.85 (s, 6H, N(CH3)2, 4.19
(q, 2H, CH2CH3), 4.59 (s, 1H, pyrimidine C4), 6.46-6.88 (m, 4H, ArH’s), 9.45
(s, br., 1H,1NH). IR: 3065, 2989 (CH), 1713, 1680 (CO’s), 1620 (C N) and
1605 (C C).
1H NMR: 1.31 (t, 3H, CH2CH3), 1.71 (s, 3H, CH3), 2.0 (s, 3H, CH3), 2.85 (s, 6H,
N(CH3)2, 4.19 (q, 2H, CH2CH3), 4.59 (s, 1H, pyrimidine C4), 6.46-6.88 (m,
4H, ArH’s), 9.45 (s, br., 1H, 2NH).
17
1H NMR: 2.12 (s, 3H, CH3), 2.85 (s, 6H, N(CH3)2, 6.61–7.42 (m, 9H, ArH’s),
8.45 (s, 1H, CH N), 9.23 (s, br., 1H. NH).
21a
1H NMR: 1.31 (t, 3H, CH2CH3), 2.85 (s, 6H, N(CH3)2, 4.22 (q, 2H, CH2CH3),)
6.46–7.48 (m, 9H, ArH’s), 8.45 (s, 1H, CH N) IR: 1665 (CO), 1620 (C=N)
and 1600 (C C).
21b
21c
1H NMR: 2.20 (t, 3H, CH3), 2.85 (s, 6H, N(CH3)2, 6.46–7.48 (m, 8H, ArH’s),
8.45 (s, 1H, CH=N). IR: 1713 (CO), 1625 (C N) and 1600 (C C).
1H NMR: 2.85 (s, 6H, N(CH3)2, 6.46–7.65 (m, 14H, ArH’s), 8.45 (s, 1H, CH N),
9.35 (s, br., 1H, NH). IR: 1685 (CO), 1620 (C=N) and 1600 (C C).