Tert- and Sec- Prefixes

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Austin Hyun 1F
Posts: 26
Joined: Fri Sep 25, 2015 3:00 am

Tert- and Sec- Prefixes

Postby Austin Hyun 1F » Sat Feb 27, 2016 11:34 pm

Why are the carbons referred to as tertiary and secondary carbons for the tert- and sec- side chains? Aren't they really quaternary and tertiary carbons? (e.g. with a tert-butylpropane, the carbon connecting the side chain to the main propane chain would be bonded to four carbons, not three carbons, so wouldn't it be a quaternary, not a tertiary carbon?)

KVu 3G
Posts: 12
Joined: Fri Sep 25, 2015 3:00 am

Re: Tert- and Sec- Prefixes

Postby KVu 3G » Sat Feb 27, 2016 11:59 pm

I believe it's because the carbons on the parent chain aren't counted for the substituent chain

Cindy Chen_2I
Posts: 43
Joined: Wed Nov 18, 2015 3:00 am

Re: Tert- and Sec- Prefixes

Postby Cindy Chen_2I » Sun Feb 28, 2016 12:02 am

you don't want to count the Cs on the main chain when doing common naming
you kind of just ignore the main chain part and focus on the side chain


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