IuPac Naming

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Imani Johnson 1H
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Joined: Sat Jul 23, 2016 3:00 am

IuPac Naming

Postby Imani Johnson 1H » Wed Mar 08, 2017 5:25 pm

So I was looking over some structural naming and I was a bit confused about when to use -iso...it seems as though you can you it when there are two substituents branching from a single carbon, however some examples say that instead you would write it as dimethyl. So is -iso and -dimethyl interchangeable or what?

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Joined: Fri Jul 22, 2016 3:00 am

Re: IuPac Naming

Postby hafsa_zulfiqar_1j » Wed Mar 08, 2017 6:02 pm

They're not interchangeable. Iso- refers to the C-C single bond connectivity in the structural pattern and dimethyl- means that there are two methyl groups attached to the molecule. IF you look on page 9 of the Introduction to Organic Chemistry course reader, you'll see an example of this in play in more detail.

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