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Topic: Help with catalyst for synthesis of cedryl methyl ether  (Read 5193 times)

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Offline dolphin2266

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Help with catalyst for synthesis of cedryl methyl ether
« on: September 17, 2009, 10:39:29 PM »
Hello, i am a student from China
 Dose anyone know the catalyst for the reaction of cedrol with dimethyl carbonate? Dose anyone do a ralative research like this?

Thanks for discussion!
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Offline sjb

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Re: Help with catalyst for synthesis of cedryl methyl ether
« Reply #1 on: September 18, 2009, 07:28:43 AM »
I can't really see cedrol reacting with (MeO)2C=O to form the ether, rather the mixed carbonate or similar, depending on stoichoimetry. What is your desired product?
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Offline dolphin2266

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Re: Help with catalyst for synthesis of cedryl methyl ether
« Reply #2 on: September 19, 2009, 09:00:08 AM »
My desired product is "cedryl methyl ether "
 Thank you!
Any more information to me?~~ ???
As we know ,the traditional methylation reagent is dimethyl sulfate,so i am going to use dimethyl carbonate which is the green reagent as the methylation reagent to form cedryl methyl ether.
So,what's your opinion~?   Thanks again~
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Offline dolphin2266

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Re: Help with catalyst for synthesis of cedryl methyl ether
« Reply #3 on: September 21, 2009, 09:06:07 PM »
the reaction is shown bellow: :-[
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Offline nj_bartel

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Re: Help with catalyst for synthesis of cedryl methyl ether
« Reply #4 on: September 22, 2009, 12:09:55 AM »
Why wouldn't you just deprotonate and alkylate?
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Offline dolphin2266

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Re: Help with catalyst for synthesis of cedryl methyl ether
« Reply #5 on: September 22, 2009, 07:11:07 AM »
Because it's widely reported
so i am trying to do it in a different way.
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Offline sjb

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Re: Help with catalyst for synthesis of cedryl methyl ether
« Reply #6 on: September 22, 2009, 12:26:48 PM »
Quote from: dolphin2266 on September 21, 2009, 09:06:07 PM
the reaction is shown bellow: :-[

Can you show us an arrow-pushing mechanism for this? I'm still not convinced dimethyl *carbonate* will do the job.
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