Re: ORGLIST:

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From: Mrcinek (mrcinek$##$newmail.net)
Date: Thu Sep 16 1999 - 14:52:07 EDT

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In reply to: priya joshi: "ORGLIST:"

----- Original Message -----
From: priya joshi <joshipgk$##$hotmail.com>
To: Multiple recipients of list orglist <orglist$##$dq.fct.unl.pt>
Sent: Wednesday, September 15, 1999 7:42 AM
Subject: ORGLIST:

>
> Hello
> I am Priya Joshi, a Ph.D student. I am having difficulty in bromination of
> Methyl-2,4-dimethoxyphenylacetate. I want the bromination at the alpha
> position (i.e. at benzylic position).But when I tried NBS, bromination
> occurred at the Benzene ring.
>
> Does anybody know How to bring about benzylic bromination without ring
> bromination.
>
> Thanks
>
> Priya Joshi
>

- Alpha lithiation (or silylenolation), halogenation.

Regards,

MZ

>
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