Extra Practice: Interconverting Representations of Cyclohexane
SOLUTIONS
To convert a 2D wedge-dash structure of a substituted cyclohexane molecule into a chair:
2D wedge-dash structure
showing one wedge substituent
location
One conformation (6 of 12 possibilities shown)
These 6 representations differ by viewing angle/chair template,
but are of the same structure in the same conformation.
Exercise: Find the other 6 representations.
Answer:
“Pancake flip” each
of the above structures so that
Group A points downward.
The other conformation (after a chair flip)
(6 of 12 possibilities shown)
These 6 representations differ by viewing angle/chair template,
but are of the same structure in the same conformation.
Exercise: Find the other 6 representations.
Answer:
“Pancake flip” each
of the above structures so that
Group A points downward.
Exercise
2D wedge-dash structure
Exercise: Add in substituent F on
each chair template.
When adding substituent F, pay
attention to its position on the
cyclohexane ring, its relationship
to substituent A, and the bond
angles.
One conformation (6 of 12 possibilities shown)
The other conformation (after a chair flip)
(6 of 12 possibilities shown)

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