62
1 Parent Structures
10
11
1
(l
OaN 11a V 2
~ I 1lfJN 1 ~
b 5
1
~
/ . 4
l 2' ~
6aN5aN4a
7 6 5
4
correct
incorrect
1
~N::f~
~~- 5a N~
4
correct
incorrect
Pyrido[I',2': 1,2] imidazo [ 4,S-b ]quinoxaline
In the above example the numbering of the nitrogen atoms is always the
same; for the fusion locants, however, the following order applies: 4 a, Sa,
6a,lOa ... <4a,Sa,6a,lla ... <4a,Sa,10a ...
I
I I
not:
~
~N
~
N
5
6
4
OL
1 1 12:))1
~ I ~N
I ~
~
N--4~
6
N
4
[1,3] Diazeto[ 1,2-a: 3,4-a']di(benzimidazole) (criterion d)
not:
2
6H-Cydopenta[ de ]pyrrolo[2,S-ij]quinolizine (criterion e)
4H,9H, 13H-Benzo[ ij]thieno [2',3': 4,S]pyrano[2,3-b] quinolizine
1 Parent Structures
10
11
1
(l
OaN 11a V 2
~ I 1lfJN 1 ~
b 5
1
~
/ . 4
l 2' ~
6aN5aN4a
7 6 5
4
correct
incorrect
1
~N::f~
~~- 5a N~
4
correct
incorrect
Pyrido[I',2': 1,2] imidazo [ 4,S-b ]quinoxaline
In the above example the numbering of the nitrogen atoms is always the
same; for the fusion locants, however, the following order applies: 4 a, Sa,
6a,lOa ... <4a,Sa,6a,lla ... <4a,Sa,10a ...
I
I I
not:
~
~N
~
N
5
6
4
OL
1 1 12:))1
~ I ~N
I ~
~
N--4~
6
N
4
[1,3] Diazeto[ 1,2-a: 3,4-a']di(benzimidazole) (criterion d)
not:
2
6H-Cydopenta[ de ]pyrrolo[2,S-ij]quinolizine (criterion e)
4H,9H, 13H-Benzo[ ij]thieno [2',3': 4,S]pyrano[2,3-b] quinolizine