Re: ORGLIST: How to separate methyl iodide

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From: cardman (cardman400$##$yahoo.com)
Date: Wed Sep 24 2008 - 16:55:30 EDT


It's also doubtful that you are seeing any methyl iodide by TLC, since it's not UV active and simple alkyl halides usually can't be visualized with iodine vapor. Even if it were present, it would probably evaporate off the plate along with your spotting solvent.

--- On Wed, 9/24/08, Hima Potturi <himakp$##$siu.edu> wrote:

> From: Hima Potturi <himakp$##$siu.edu>
> Subject: Re: ORGLIST: How to separate methyl iodide
> To: everybody$##$orglist.net
> Date: Wednesday, September 24, 2008, 10:15 AM
> Methyl iodide has very low boiling point (around 42C). You
> should be able to
> get rid of it on a rotovapor.
>
> Date: Tue, 23 Sep 2008 23:12:21 -0700 (PDT)
> From: Suraya Zulkepli <kinrara_16$##$yahoo.com>
> Subject: ORGLIST: How to separate methyl iodide from the
> main product
> (IODOLACTONIZATION)
> To: everybody$##$orglist.net
> Message-ID:
> <583068.44937.qm$##$web53912.mail.re2.yahoo.com>
> Content-Type: text/plain; charset="us-ascii"
>
> Can anyone tell me how to separate the compund of methyl
> iodide from the
> product of 6 membered ring lactone?Its because I got from
> Nmr result still
> have peak of CH3I..I also tried many ratio with HEX:EA but
> still cant
> separate coz its look like overlapp with the main product
> even I can look
> one spot with TLC under UV and Iodine.( means 2 compound in
> one spot).
>
> Hope anyone can help me so..
>
> Thanx in advance
>
> Suraya
>
>
>
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