Different Substituent Numbers

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Joined: Fri Jul 15, 2016 3:00 am

Different Substituent Numbers

Postby Ethan_Kato_1D » Tue Mar 07, 2017 5:56 pm

I am still confused when there are multiple possible names, which to select.
For example: 4-Ethyl-2,2-Dimethyl-hexane vs. 3-Ethyl-5,5-Dimethyl-Hexane. I know that the first name is correct, however how would you determine that? If it isn't by adding the total number, then what is it?

Posts: 21
Joined: Wed Sep 21, 2016 2:57 pm

Re: Different Substituent Numbers

Postby Sarah_Heesacker_3B » Tue Mar 07, 2017 6:16 pm

You determine which name has lower numbers and choose that one. Since 2 is less than 3, you already know that the first name is the correct one.

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