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Basic chemical and physical data of stilbene derivatives.
| Compound | m.p. °C | IR(KBr) (cm−1) δCH=CH | 1H NMR δ (ppm) DMSO–d6 CH2–N |
|---|---|---|---|
| (A1) | 227–230 | 970 | 5.81 s |
| (A2) | 240–243 | 985 | 5.81 s |
| (A3) | 209–212 | 965 | 5.82 s |
| (A4) | 256–259 | 995 | 5.88 s |
| (A5) | 218–221 | 980 | 5.90 s |
| (A6) | 247–249 | 955 | 5.86 s |
