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Postby edward_qiao_3I » Tue Mar 07, 2017 11:11 pm

On page 21 of the OChem reader at the bottom, why is this structure not 1-ethyl-3,3-dimethyl-2-propylcyclohexane since ethyl comes first alphabetically

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Re: 3-Ethyl,1,1-dimethyl-2-propylcyclohexane

Postby Jenny2G » Tue Mar 07, 2017 11:19 pm

The book explains it. It doesn't start at ethyl because 3,3>1,1. You only assign the lowest numbering to the first alphabetical hydrocarbon when the number total are the same.

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