O
N
H
O
O
O
O
OC 11 H 23
OC 11 H 23
OC 11 H 23
OC 11 H 23
3
H
N
HN
O
H
N
O
H
N
O
O
HN
6
4
N
N
O
O
O
O
O
O
17
N
N
N
N
O
O
O
O
O
O 17
5
N
N
O
O R
O
O
O
O
O
O
OCH 2 COO
N
N
O
O R
R 2 O
N
N
O
O R
R 2 O
7a: R 2 = CH 3
7b: R 2 = C 2 H 5
7c: R 2 = C 3 H 7
7d: R 2 = C 4 H 9
7e: R 2 = C 10 H 22
8a: R 2 = CH 3
8b: R 2 = C 2 H 5
8c: R 2 = C 3 H 7
8d: R 2 = C 4 H 9
8e: R 2 = C 10 H 22
6
11
N
N
O
O R
N
R 2
R 2
N
N
O
O R
N
R 2
R 2
R =
9a: R 2 = CH 3
9b: R 2 = C 2 H 5
10a: R 2 = CH 3
10b: R 2 = C 2 H 5
R
Scheme 2.2 Molecular structures of gelators 3–11
14
2 Supramolecular Gels