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Topic: Using Grignard reagent to form 1-hexanol  (Read 4875 times)

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Offline HaroTaro

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Using Grignard reagent to form 1-hexanol
« on: November 17, 2008, 02:10:33 AM »
How can I form 1-hexanol if I have to use Grignard reagent and butylmagnesium bromide in one step of a synthesis?

I thought about reacting a methanal with butylmagnesium bromide. This would give a primary -OH, but that would only be a 1-pentanol. What do I have to do?
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Offline macman104

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Re: Using Grignard reagent to form 1-hexanol
« Reply #1 on: November 17, 2008, 02:25:58 AM »
There is another type of compound that adds 2 carbons to it.  Look in your book for the chapter on grignard reagents, and see what they list, and you should find one that adds 2 carbons.
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Offline HaroTaro

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Re: Using Grignard reagent to form 1-hexanol
« Reply #2 on: November 17, 2008, 03:05:18 AM »
hmmm~  ???

You could add 2 carbon by using an aldehyde, but that will give you 2-hexanol...
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Offline sjb

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Re: Using Grignard reagent to form 1-hexanol
« Reply #3 on: November 17, 2008, 04:11:03 AM »
Right degree of unsaturation, wrong isomer....
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