2-Acylimino-3-aryl-3H-thiazolines Synthesis
1641
127.8, 128.3, 128.6, 128.7, 128.9, 129.1, 129.3, 130.3, 130.8, 131.3, 136.0,
136.7, 137.0, 139.1, 169.1, 174.5.
7c: mp 272–2748C; IR (KBr): 3109, 1597, 1564, 1458, 1339, 1274, 902, 722,
1
551 cm21; H NMR (400 MHz, CDCl3) d ¼ 2.40 (s, 3H), 6.70 (s, 1H), 7.14
(m, 4H), 7.19–7.29 (m, 5H), 7.35 (m, 2H), 7.41 (m, 1H), 8.12 (d, 2H,
J ¼ 7.6 Hz); 13C NMR (100 MHz, CDCl3) d ¼ 21.1, 107.2, 127.8, 128.0,
128.2, 128.6, 128.8, 129.2, 129.3, 130.61, 131.3, 134.9, 136.7, 136.3, 139.1,
169.7, 174.4.
7d: mp 210–2128C; IR (KBr): 3060, 1597, 1564, 1470, 1343, 1282, 902, 833,
710 cm21
;
1H NMR (400 MHz, CDCl3) d ¼ 6.72 (s, 1H), 7.13 (d, 2H,
J ¼ 7.2 Hz), 7.22–7.32 (m, 5H), 7.37 (m, 4H), 7.40–7.45 (m, 1H), 8.11
(d, 2H, J ¼ 7.8 Hz); 13C NMR (100 MHz, CDCl3) d ¼ 107.6, 128.0, 128.5,
128.8, 129.0, 129.3, 129.8, 130.2, 131.6, 134.3, 136.0, 136.4, 138.6, 169.7,
174.5.
7e: mp 2338C; IR (KBr): 3113, 1593, 1560, 1511, 1458, 1339, 1282, 1249,
1025, 906, 759, 722, 555 cm21
;
1H NMR (400 MHz, CDCl3) d ¼ 3.83
(s, 3H), 6.69 (s, 1H), 6.90 (d, 2H, J ¼ 8.4 Hz), 7.13–7.18 (m, 4H), 7.23–
7.28 (m, 3H), 7.33–7.36 (m, 2H), 7.41 (m, 1H), 8.12 (d, 2H, J ¼ 7.6 Hz);
13C NMR (100 MHz, CDCl3) d ¼ 55.4, 107.2, 13.9, 127.9, 128.3, 128.7,
128.9, 129.2, 129.4, 130.6, 131.4, 136.7, 139.2, 159.2, 169.9, 174.5.
7f: mp 155–1568C; IR (KBr): 3064, 1593, 1556, 1442, 1335, 1274, 1164,
1086, 1012, 902, 767, 735, 698 cm21
;
1H NMR (400 MHz, CDCl3)
d ¼ 2.11 (s, 3H), 6.76 (s, 1H), 7.08–7.13 (m, 3H), 7.22–7.33 (m, 8H), 7.96
(d, 2H, J ¼ 8.0 Hz); 13C NMR (100 MHz, CDCl3) d ¼17.9, 107.3, 126.6,
128.1, 128.3, 128.6, 128.6, 128.9, 129.2, 130.2, 130.6, 130.9, 135.29, 135.9,
136.9, 137.5, 139.2, 169.2, 173.4.
7g: mp 1838C; IR (KBr): 3072, 1601, 1458, 1343, 1278, 1086, 1012, 906, 771,
1
730 cm21; H NMR (400 MHz, CDCl3) d ¼ 2.40 (s, 3H), 6.73 (s, 1H), 7.13
(m, 4H), 7.20 (m, 2H), 7.24–7.27 (m, 3H), 7.31 (m, 2H), 8.03 (d, 2H,
J ¼ 8.0 Hz); 13C NMR (100 MHz, CDCl3) d ¼ 21.2, 107.5, 128.1 128.2,
128.3, 128.8, 128.9, 129.4, 130.7, 134.8, 135.3, 137.5, 138.5, 139.3, 169.9,
173.4.
7h: mp 2578C; IR (KBr): 3128, 3012, 2961, 2838, 1603, 1591, 1562, 1506,
1446, 1403, 1340, 1250, 1161, 1094, 1025, 905, 846, 777, 729, 700,
1
559 cm21; H NMR (400 MHz, DMSO-d6) d ¼ 3.78 (s, 3H), 6.95 (d, 2H,
J ¼ 8.4 Hz), 7.18 (s, 1H), 7.23 (m, 2H), 7.30 (m, 3H), 7.43 (d, 2H,
J ¼ 8.4 Hz), 7.53 (d, H, J ¼ 8.4 Hz), 7.88 (d, 2H, J ¼ 8.4 Hz); 13C NMR
(100 MHz, DMSO-d6) d ¼ 59.8, 112.2, 118.0, 125.0, 128.1, 129.3, 132.9,
133.3, 133.4, 133.6, 134.7, 135.1, 137.5, 140.9, 142.6, 172.1, 176.3.
7i: mp 2458C; IR (KBr): 3131, 3016, 2954, 2836, 1591, 1561, 1507, 1443,
1343, 1248, 1164, 1025, 904, 833, 777, 756, 699, 551 cm21 1H NMR
;
(400 MHz, DMSO-d6) d ¼ 3.77 (s, 6H), 6.93 (d, 2H, J ¼ 8.8 Hz), 6.98