Re: ORGLIST: [Fwd: Demethylation]

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From: jindrich (jindrich$##$natur.cuni.cz)
Date: Wed Dec 12 2001 - 22:01:02 EST


Hi,

see e.g. J. Org. Chem. 1999, 64, 8635-8647,
this method consists of oxidation of the sulfide to
sulfoxide using MCPBA and rearrangement to thiol
using trifluoroacetic anhydride in the presence
of base.

Jindrich

J.Aires de Sousa wrote:

>
> -------- Original Message --------
> From: A De <ocad$##$mahendra.iacs.res.in>
> Subject: Demethylation
> To: "Dr J.a.deSousa" <jas$##$mail.fct.unl.pt>
>
> Can anybody suggest a method of demethylation of aromatic methylthio
> group
> to thiophenol
> Asish
> Dr Asish De
> Indian Association for the Cultivation of Science
> Calcutta - 700 032
> India
>
> __________________
>
> ORGLIST - Organic Chemistry Mailing List
> Website / Archive / FAQ: http://www.orglist.net/
> List coordinator: Joao Aires de Sousa (jas$##$mail.fct.unl.pt)
>
>
>


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