Table 1 Synthesis of benzocoumarin-stilbene hybrid system via HWE reaction.
Comp. No | R1 | R2 | R3 | R4 | R5 | R6 | Yield (%) |
---|---|---|---|---|---|---|---|
10 | H | H | H | H | H | H | 95 |
11 | H | H | H | OCH3 | H | H | 80 |
12 | H | H | H | N(CH3)2 | H | H | 75 |
13 | H | H | H | NO2 | H | H | 96 |
14 | H | H | H | CN | H | H | 92 |
15 | H | H | H | H | OCH3 | H | 85 |
16 | H | OCH3 | H | H | H | OCH3 | 90 |
17 | H | H | OCH3 | OCH3 | H | H | 82 |
18 | H | H | OCH3 | OCH3 | OCH3 | H | 86 |
19 | H | H | OCH 3 | H | OCH 3 | H | 95 |
20 | H | H | OCH3 | H | H | OCH3 | 80 |
21 | H | H | H | OCH3 | H | OCH3 | 78 |
22 | OCH3 | H | H | H | H | H | 92 |
23 | OCH3 | H | H | OCH3 | H | H | 80 |
24 | OCH3 | H | H | NO2 | H | H | 94 |
25 | OCH3 | H | H | CN | H | H | 92 |
26 | OCH3 | H | OCH3 | H | OCH3 | H | 84 |
27 | OCH3 | H | OCH3 | OCH3 | H | H | 82 |
28 | OCH3 | OCH3 | H | H | H | OCH3 | 78 |
29 | OCH3 | H | OCH3 | H | H | OCH3 | 75 |
30 | OCH3 | H | H | OCH3 | H | OCH3 | 72 |
31 | OCH3 | H | OCH3 | OCH3 | OCH3 | H | 82 |
32 | CH3 | H | H | H | H | H | 95 |
33 | CH3 | H | H | NO2 | H | H | 95 |
34 | CH3 | H | OCH3 | H | OCH3 | H | 95 |
35 | CH3 | H | H | OCH3 | H | OCH3 | 80 |
36 | CH3 | H | OCH3 | H | H | OCH3 | 75 |
37 | CH3 | OCH3 | H | H | H | OCH3 | 72 |
38 | CH3 | H | OCH3 | OCH3 | OCH3 | H | 76 |
39 | CH3 | H | H | OCH3 | OCH3 | H | 70 |