Naming: IUPAC & Common Naming

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Paul_Ajodha_2K
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Naming: IUPAC & Common Naming

Postby Paul_Ajodha_2K » Sun Mar 05, 2017 11:56 pm

In Friday's lecture we covered a cycloalkane that had a substituent on its first carbon and we called this substituent Butyl. The longest carbon chain in that substituent, although, had only three carbons which would make it propyl. I understand that it is called butyl because of common naming but why is common naming used alongside IUPAC naming in this case?

Shadi_Keyvani_1D
Posts: 27
Joined: Wed Sep 21, 2016 2:56 pm

Re: Naming: IUPAC & Common Naming

Postby Shadi_Keyvani_1D » Mon Mar 06, 2017 12:17 pm

According to the textbook, IUPAC naming and common naming can be combined when naming compounds.

Chem_Mod
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Re: Naming: IUPAC & Common Naming

Postby Chem_Mod » Mon Mar 06, 2017 1:12 pm

I believe you're confusing 2 examples. On page 96 of the course reader, the cyclopentane has an isopropyl substituent but the cyclohexane has a tert-butyl substituent.


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