Table 4.
Legend for intermediates 9,10a–j.
| Compds 9,10 | R |
|---|---|
| a | C6H5 |
| b | C6H4-F (m) |
| c | C6H4-Cl (m) |
| d | C6H4-Br (m) |
| e | C6H3-(OCH3)2 (m, m) |
| f | C6H4-CF3 (p) |
| g | 3-furyl |
| h | 3-thienyl |
| i | 2-thienyl |
| j | 1-naphthyl |
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