463
r
chair
boat
twist half chair
flagpole
bowsprit
axial
equatorial
Conformations of a six- membered ring
twist (1, 2, 3, are coplanar) envelope (1, 2, 3, 5, are coplanar)
Conformations of a five -membered ring
1
5
2
4
3
1
5
2
3
4
crown tub
Conformations of an eight-membered ring
Conformations of a six-membered ring
Conformations of a five-membered ring
Conformations of an eight-membered ring