30
Parent Structures
1
5<0:
10
00
1
2
3
11
9
4
12
8
5
7
S
Bicyclo [2.1.0 ] pentane Tricyclo[ 5.3.2.0 4 ,9] dodecane
correct
... [5.2.3.0 4 , 11 ] •••
incorrect
H
/C\
HC--- J--CH
......... C/
H
Tetrahedrane
Twistane
CH
HC;'l1
I CH
Hc-l;-CH
~C
H
Prismane
Tricyclo[1.1.0.02,4]butane
9
1
10
5~1 S 8
8~
7
3
Sif12
59 3
4
4
10
2
Tricyclo [3.3.1.1 3 ,7] decane
9~3
8\:U4
7
Tricyclo [4.4.0.0 3 ,8] decane
9
S
4
Tetracyclo [2.2.0.0 2 ,6.0 3 ,5]hexane (correct)
Tetracyclo [3.1.0.0 2 ,4.0 3 ,6]hexane (incorrect)
Symmetrical partition of the main ring
Parent Structures
1
5<0:
10
00
1
2
3
11
9
4
12
8
5
7
S
Bicyclo [2.1.0 ] pentane Tricyclo[ 5.3.2.0 4 ,9] dodecane
correct
... [5.2.3.0 4 , 11 ] •••
incorrect
H
/C\
HC--- J--CH
......... C/
H
Tetrahedrane
Twistane
CH
HC;'l1
I CH
Hc-l;-CH
~C
H
Prismane
Tricyclo[1.1.0.02,4]butane
9
1
10
5~1 S 8
8~
7
3
Sif12
59 3
4
4
10
2
Tricyclo [3.3.1.1 3 ,7] decane
9~3
8\:U4
7
Tricyclo [4.4.0.0 3 ,8] decane
9
S
4
Tetracyclo [2.2.0.0 2 ,6.0 3 ,5]hexane (correct)
Tetracyclo [3.1.0.0 2 ,4.0 3 ,6]hexane (incorrect)
Symmetrical partition of the main ring