2
3
4
11
10
5
a
C
12
18
17
6
CO₂Me
b
4 CO₂Me
09
05
11 10
13
10
125
19
141 15
CO2H
08
d
NH
02
2N3
6
7
N.
R
H
-N
H
R
e
0
0
f
12 11
11
10
15
0-14
8
13 5
13
6
Hax
вхо
10
7
16 17
FO 9
15
14
02
2N3
F08 Hendo
O2N3
8
9
N
R
N
R
H
H
7
Scheme 2. Synthetic route to N-benzamido imides 7: a) KOH, MeOH, H₂O,
reflux, 5 h; then HCl; b) acetic anhydride, reflux, 1 h, 85% yield;
c) NH₂NHCOR, diisopropylethylamine, EtOH, reflux, 6 h; d) toluene or xylene,
reflux, 24 h; e) dimethyldioxirane, acetone, RT; f) H₂, Pd/C, 1 atm, EtOH.