Jump to content

Non aromatic


Recommended Posts

Look here at the 'four rules'



Our last post in this series on aromaticity went through the 4 conditions a molecule must fulfill in order to be aromatic.

  • First, it must be cyclic
  • Second, every atom around the ring must have an available p-orbital
  • Third, the number of electrons in the pi system must be 2, 6, 10, 14, 18, or a higher number in the set that increases from 18 in increments of 4 (22, 26, 30…. etc). We usually abbreviate this as [4n+2] pi electrons.
  • Fourth, the molecule must be flat.

In that post we tried to explain what each of those rules meant – so if any of these individual items seem unclear to you, it might be a good idea to go back to that post.

In this post,we’re going to apply these 4 rules with some practice examples.

Look down the examples to cyclobutene (could you name your compound ? )

Can you find a cyclobutene that is aromatic?


Link to comment
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
  • Create New...

Important Information

We have placed cookies on your device to help make this website better. You can adjust your cookie settings, otherwise we'll assume you're okay to continue.