Z/E for cycloalkenes

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Kimberly Wagas 1H
Posts: 38
Joined: Fri Sep 25, 2015 3:00 am

Z/E for cycloalkenes

Postby Kimberly Wagas 1H » Sat Mar 12, 2016 9:48 pm

For 7A on the 2011 final, it names the structure as E? How do you determine priority for deciding Z/E for cycloalkenes?

Ronald Yang 2F
Posts: 86
Joined: Fri Sep 25, 2015 3:00 am

Re: Z/E for cycloalkenes

Postby Ronald Yang 2F » Sat Mar 12, 2016 9:51 pm

I'm pretty sure it's referring to the substituents. They are drawn in a way that makes them "trans." For cycloalkenes, they are technically "cis" since the priority would be given to the ring.

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