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Topic: Synthesis of isopropyl propyl ether  (Read 5224 times)

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Offline cseil

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Synthesis of isopropyl propyl ether
« on: January 03, 2015, 09:49:23 AM »
My book asks to prepare the isopropyl propyl ether using as organic reagent only propan-2-ol.
I tried with that, do you think that's correct? Could you give me a hint for making it with different steps (if there are)?

Offline AromaticAcrobatic

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Re: Synthesis of isopropyl propyl ether
« Reply #1 on: January 03, 2015, 11:57:05 AM »
So this would work, however it would not be the route I would take. It seems like it would take awhile, seeing how we would have to wait for the Ots to leave and then something to deprotonate propanol.
I would suggest adding a better leaving group to propene (anti-markov), and then adding a strong enough base to deprotonate alcohols. Think Williamson ether synthesis.

 :spinpaired:

Offline unsu

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Re: Synthesis of isopropyl propyl ether
« Reply #2 on: January 03, 2015, 07:13:38 PM »
To me the steps looks correct.
But again, this exercise is created only for learning purposes as nobody would do that in the lab. Propene is a gas and you can't normally work with it.

Offline AlphaScent

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Re: Synthesis of isopropyl propyl ether
« Reply #3 on: January 03, 2015, 09:03:40 PM »
Its a good exercise I believe.  Good thought but Aromatic is right...

What is a way to make a better leaving group for Williamson ether synthesis?

Its a totally radical method!!
If you're not part of the solution, then you're part of the precipitate

Offline cseil

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Re: Synthesis of isopropyl propyl ether
« Reply #4 on: January 04, 2015, 05:02:20 AM »
I could do the free radical addition. The alkene becomes a 1-haloalkane. Then I deprotonate the alcohol and make it react with my haloalkane, I obtain the product.
That's right, I really forgot that reaction  ;D

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