Entry | Ar | Product | Time (min) | Yielda (%) | Mp (°C) | Refs. |
---|---|---|---|---|---|---|
1 | C6H5 | 5a | 10 | 92 | 242–244 | [44] |
2 | 2-OCH3C6H4 | 5b | 15 | 89 | 226–228 | [45] |
3 | 3-O2NC6H4 | 5c | 10 | 90 | 210–211 | [45] |
4 | 4-H3CC6H44 | 5d | 18 | 87 | 204–206 | [46] |
5 | 4-O2NC6H4 | 5e | 9 | 93 | 239–242 | [45] |
6 | 3-BrC6H4 | 5f | 15 | 94 | 223–224 | [46] |
7 | 4-BrC6H4 | 5g | 12 | 96 | 178–180 | [45] |
8 | 4-ClC6H5 | 5 h | 10 | 94 | 230–232 | [44] |
9 | 4-OHC6H4 | 5i | 10 | 95 | 222–224 | [46] |
10 | 3,4-(OH)C6H3 | 5j | 10 | 91 | 225–227 | [47] |
11 | 2,4-(Cl)C6H3 | 5k | 20 | 90 | 223–225 | [46] |
12 | 3-OCH3 4-OH, C6H3 | 5l | 15 | 92 | 234–236 | [46] |
13 | 4-FC6H4 | 5m | 8 | 96 | 212–214 | [45] |
14 | 2-Furyl | 5n | 10 | 91 | 228–230 | [48] |
15 | 1-Naphthyl | 5o | 25 | 88 | 206–208 | [20] |