“…(3, 18, 20) 3-Acetoxy-N-benzyl-11-oxoolean-12-en-30-amide (5) As described above, from 2 (2.5 g, 4.88 mmol) and benzylamine (2.0 mL, 18. (3, 18, ) 3-Acetoxy-N-methyl-11-oxoolean-12-en-30-amide (6) As described above, from 2 (4.0 g, 7.81 mmol) and methylamine (12 13 = 3447s, 2942s, 1742s, 1648s, 1627s, 1464m, 1386s, 1124m, 1071w = 3547m, 3341s, 2974s, 2930s, 2863s, 1659s, 1613m, 1520s, 1455m, 1384m, 1253w, 1205m, 1179m, 1115w, 1081w, = 3385s, 1954s, 1869s, 1652s, 1541m, 1455s, 1411w, 1384s, 1328w, 1205m, 1091w, 1025w, 13 = 3430s, 2956s, 1660s, 1590s, 1455m, 1383s, 1325s, 1217m, 1130w, 1077w, = 3306m, 2971s, 1871s, 1695s, 1649s, 1456s, 1387s, 1367w, 1321m, 1261m, 1227m = 3441s, 2931m, 1727m, 1654s, 1455m, 1386m …”