Compound | Rf values | UV data λmax (nm) | ||||||
---|---|---|---|---|---|---|---|---|
S1 | S2 | MeOH | + NaOMe | + NaOAc | +NaOAc + H3BO3 | + AlCl3 | +AlCl3 + HCl | |
3 | 0.5 | 0.52 | 256, 295 (sh), 352 | 269, 325 (sh), 403 | 270, 320 (sh), 367 | 269, 310, 402 | 270, 306 (sh), 335 (sh), 419 | 267, 293 (sh), 358 (sh), 395 |
4 | 0.47 | 0.54 | 254, 290 (sh), 354 | 270, 329 (sh), 410 | 271, 317 (sh), 372 | 270, 299, 405 | 273, 320 (sh), 410 | 272, 290, 365 (sh), 399 |
5 | 0.41 | 0.6 | 255, 264 (sh), 358 | 273, 409 | 270, 375 | 268, 293 (sh), 375 | 259 (sh), 265, 271, 409 | 252 (sh), 269, 365 |
6 | 0.43 | 0.55 | 252, 299 (sh), 355 | 265, 322 (sh), 415 | 269, 320 (sh), 368 | 264, 305 (sh), 377 | 272, 302 (sh), 315, 420 | 269, 305 (sh), 399 |