Comp. No.

IR v・cm-1 (KBr)

UV(EtOH)

λmax

C=O lactone

C=O amide

C-N

C-O-C

C=C-C=O

Ar C=C

Other

11c

1680

1610

1265

1160sy 1259as

1409

1453

3320(OH)

307

12c

1725

1632

1255

1080sy 1278as

1580

1450

3378(OH)

315

13c

1715

1612

1265

1165sy 1260as

1455

1433

746(C-Cl)

280

14c

1729

1660

1232

1065sy 1285as

1590

1446

296

15c

1720

1651

1229

1059sy 1266as

1507

1432

1622(C=C)

276

16c

1722

1646

1238

1049sy 1276as

1480

1447

624(C-Br)

284

17c

1756

1638

1242

1038sy 1266as

1496

1422

653(C-Br)

302

18c

1761

1621

1239

1122sy 1271as

1510

1445

298