Table 1 Reaction of 2-aminobenzothiazoles with α-tetralone and aromatic/heteroaromatic aldehydes.
2-aminobenzothiazole | α-tetralone | Aldehydes | product | m.p.°C | % yield |
|---|---|---|---|---|---|
|
|
|
| 210-212 | 76 |
|
|
|
| 220-222 | 80 |
|
|
|
| 205-207 | 77 |
|
|
|
| 190-192 | 75 |
|
|
|
| 215-217 | 80 |
|
|
|
| 227-229 | 80 |
|
|
|
| 192-194 | 74 |
|
|
|
| 189-191 | 75 |
