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Topic: How to name the group -CH2-N+(CH3)3  (Read 4430 times)

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Offline cockleivory

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How to name the group -CH2-N+(CH3)3
« on: September 12, 2015, 02:59:48 AM »
Would anybody mind hinting me how to name this group shown in the picture? I know that an ammonio with three methyl groups is called the trimethyl ammonio group but I can't figure out how this one is called.
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Offline Arkcon

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Re: How to name the group -CH2-N+(CH3)3
« Reply #1 on: September 12, 2015, 10:48:17 AM »
You're getting close on your own, you know 3 groups is called tri-.  So what world 4 groups be called?
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Hey, I'm not judging.  I just like to shoot straight.  I'm a man of science.

Offline cockleivory

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Re: How to name the group -CH2-N+(CH3)3
« Reply #2 on: September 14, 2015, 10:38:27 AM »
Tetra-. Thank you so much! So it doesn't matter that it is the fourth methyl group that is bound to the rest of the structure instead of the ammonio?
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Offline Hunter2

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Re: How to name the group -CH2-N+(CH3)3
« Reply #3 on: September 15, 2015, 12:51:25 AM »
Of course it does matter. If the fourth group is also methyl, then its correct tetramethyl ammonium, but if it is something else you have to call it trimethyl-xxxxmethyl-ammonium. The xxxx is the rest of your molecule.
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