Determining Order of Substients

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Ranger Saldivar 2D
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Joined: Fri Sep 25, 2015 3:00 am

Determining Order of Substients

Postby Ranger Saldivar 2D » Sat Mar 12, 2016 1:47 am

In the orange organic chemistry book, on page 23 of section 1.6 why does the methylpropyl go in front of just the regular methyl? Doesn't methyl go first to make it 1-methyl-4-(1-methylpropyl)cyclohexane?

Manraj Garewal 2L
Posts: 13
Joined: Fri Sep 25, 2015 3:00 am

Re: Determining Order of Substients

Postby Manraj Garewal 2L » Sat Mar 12, 2016 2:33 am

This is because (1-methylpropyl) is another way of saying sec-butyl for the substituent. Because butyl is before methyl alphabetically, the (1-methylpropyl) would go before the methyl substituent in the name. (1-methylpropyl) is a substitution for sec-butyl, so it would go in the spot that butyl would go if you named it sec-butyl instead.


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