2015 Practice Final 9A

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halabaradi_1A
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Joined: Wed Sep 21, 2016 2:59 pm

2015 Practice Final 9A

Postby halabaradi_1A » Fri Mar 17, 2017 1:06 pm

On this question, the second example, I am very confused as to the order in which they put the name? Why is it not 3-chloro-1-(2-methylpropan-2-ol) cycloheptane?
Thanks!

Kevin_Li_2F
Posts: 21
Joined: Fri Jul 22, 2016 3:00 am

Re: 2015 Practice Final 9A

Postby Kevin_Li_2F » Fri Mar 17, 2017 4:42 pm

In this case I think the cycloheptane is treated as a substituent while the propane is treated as the main carbon chain because propane contains the functional OH group, and the main/longest carbon chain must always contain the functional group. This explains the anomalous naming.


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