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Author Topic: Another name this molecule question (easy one)  (Read 506 times)

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bubblegumpi

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Another name this molecule question (easy one)
« on: July 17, 2017, 10:26:17 AM »

So this molecule looks like it should exist.

Its a pentane alcohol with the OH at 2' so is it an "isoalcohol"?

Would it be 6'-isopental-4-ol-benzene? (The 4 is from the position of the OH counting from the ring, 6' is on the benzene) Or is it a phenol because it has an alcohol attached?
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sjb

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Re: Another name this molecule question (easy one)
« Reply #1 on: July 17, 2017, 11:50:37 AM »

Use of things like isoalcohol in names is difficult to fully explain - there are also IUPAC ideas. I don't think you have a benzene ring from your drawing. You have some good thoughts though. What are your side groups.
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bubblegumpi

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Re: Another name this molecule question (easy one)
« Reply #2 on: July 18, 2017, 05:05:35 AM »

Use of things like isoalcohol in names is difficult to fully explain - there are also IUPAC ideas. I don't think you have a benzene ring from your drawing. You have some good thoughts though. What are your side groups.

Its actually a screen shot from a video I saw, and since I have to know everything I tried to find that molecule.
Parts:
Benzene
Alkane 5C (iso-2-pentanol?)
OH
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Babcock_Hall

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Re: Another name this molecule question (easy one)
« Reply #3 on: July 18, 2017, 07:34:47 AM »

As a general rule (and to the best of my knowledge) the group with the larger number of carbon atoms is the parent, and the smaller number of carbons is the substituent.
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sjb

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Re: Another name this molecule question (easy one)
« Reply #4 on: July 18, 2017, 07:55:19 AM »

Compare and contrast the skeletal formulae of benzene and the ring system you have (see e.g. https://en.wikipedia.org/w/index.php?title=Benzene&oldid=791125200 )
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bubblegumpi

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Re: Another name this molecule question (easy one)
« Reply #5 on: July 20, 2017, 01:01:30 PM »

Compare and contrast the skeletal formulae of benzene and the ring system you have (see e.g. https://en.wikipedia.org/w/index.php?title=Benzene&oldid=791125200 )

I know it doesn't have the = in place of - but this is just a crude drawing from a video by someone who is not a chemist. So I assumed they would have drawn the = if they were. If this was a real molecule which it might be it would have the = bonds.
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sjb

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Re: Another name this molecule question (easy one)
« Reply #6 on: July 20, 2017, 07:33:08 PM »

I know it doesn't have the = in place of - but this is just a crude drawing from a video by someone who is not a chemist. So I assumed they would have drawn the = if they were. If this was a real molecule which it might be it would have the = bonds.

I understand what you mean but as both probably exist but to use a crude analogy it is like asking what car Lewis Hamilton is driving in this year's Formula 1 world championship, but the car is a bicycle instead. I'm not 100% sure of IUPAC preferences these days but I would call the ring a substituent of the alkyl chain, regardless.
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