Why is 3-isopropyl-4-methylhexane named so and not 4-ethyl-3,5-dimethylhexane?

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The main chain in the case of 4-ethyl-3,5-dimethylhexane has the same six carbon atoms and more substituents as well. Why isn't this name preferred? Would someone please help me understand this?






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    up vote
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    The main chain in the case of 4-ethyl-3,5-dimethylhexane has the same six carbon atoms and more substituents as well. Why isn't this name preferred? Would someone please help me understand this?






    nomenclature







    share|improve this question























      up vote
      2
      down vote

      favorite









      up vote
      2
      down vote

      favorite











      The main chain in the case of 4-ethyl-3,5-dimethylhexane has the same six carbon atoms and more substituents as well. Why isn't this name preferred? Would someone please help me understand this?






      nomenclature







      share|improve this question













      The main chain in the case of 4-ethyl-3,5-dimethylhexane has the same six carbon atoms and more substituents as well. Why isn't this name preferred? Would someone please help me understand this?






      nomenclature




      nomenclature






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      Hema

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          I think the molecule looks something like thisenter image description here



          If you number it from right to left then you will get 4-isopropyl-3-methylhexane (maybe there's mistake in your question) or what you suggested 4-ethyl-3,5-dimethylhexane.



          But these both name aren't appropriate. If you instead number this compound from left to right then you would get 3-ethyl-2,4-dimethylhexane. This is better because here the substituents have got lower numbers.






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            1 Answer
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            up vote
            4
            down vote













            I think the molecule looks something like thisenter image description here



            If you number it from right to left then you will get 4-isopropyl-3-methylhexane (maybe there's mistake in your question) or what you suggested 4-ethyl-3,5-dimethylhexane.



            But these both name aren't appropriate. If you instead number this compound from left to right then you would get 3-ethyl-2,4-dimethylhexane. This is better because here the substituents have got lower numbers.






            share|improve this answer
























              up vote
              4
              down vote













              I think the molecule looks something like thisenter image description here



              If you number it from right to left then you will get 4-isopropyl-3-methylhexane (maybe there's mistake in your question) or what you suggested 4-ethyl-3,5-dimethylhexane.



              But these both name aren't appropriate. If you instead number this compound from left to right then you would get 3-ethyl-2,4-dimethylhexane. This is better because here the substituents have got lower numbers.






              share|improve this answer






















                up vote
                4
                down vote










                up vote
                4
                down vote









                I think the molecule looks something like thisenter image description here



                If you number it from right to left then you will get 4-isopropyl-3-methylhexane (maybe there's mistake in your question) or what you suggested 4-ethyl-3,5-dimethylhexane.



                But these both name aren't appropriate. If you instead number this compound from left to right then you would get 3-ethyl-2,4-dimethylhexane. This is better because here the substituents have got lower numbers.






                share|improve this answer












                I think the molecule looks something like thisenter image description here



                If you number it from right to left then you will get 4-isopropyl-3-methylhexane (maybe there's mistake in your question) or what you suggested 4-ethyl-3,5-dimethylhexane.



                But these both name aren't appropriate. If you instead number this compound from left to right then you would get 3-ethyl-2,4-dimethylhexane. This is better because here the substituents have got lower numbers.







                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered 2 hours ago









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