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Topic: 1,1-dimethylcyclobutane  (Read 11417 times)

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Offline FlamboyantEgg

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1,1-dimethylcyclobutane
« on: August 07, 2010, 01:28:36 PM »
Hi everyone.

I was wondering whether 1,1-dimethylcyclobutane can have cis/trans forms?

I ask as my textbook makes it clear that 1,3-dimethylcyclobutane does have cis/tran, however with both bonds at the same carbon. Having drawn it a few times I can't see why it COULDN'T but I thought i'd make sure.

Cheers   ;D

Offline mehc

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Re: 1,1-dimethylcyclobutane
« Reply #1 on: August 08, 2010, 04:45:40 AM »

1,1 dimethylcyclobutane doesn't show cis trans isomerism. Geometric isomerism is only possible if substituents on either side of rigid barrier are different.

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