Structure and Conformation of Decalins

Cis or trans?

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Click the structures and reaction arrows to view the 3D models and animations respectively

In decalins both cyclohexane rings are in chair conformations.

The trans structure (highlighted blue hydrogens trans) is a flat rather rigid structure however the cis structures are puckered due to the ring junction (highlighted blue hydrogens cis).

Next page: Decalin ring flip

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