From: Anil Kumar (akkru$##$rediffmail.com)
Date: Sun Mar 19 2006 - 22:04:55 EST
Dear Uno,
you may be able to bring about the conversion (diol to cetol) using sodiummetaperiodate along with catalytic amounts of crown ether in dichloromethane solvent.
regards,
anil
On Sat, 18 Mar 2006 everybody-request$##$orglist.net wrote :
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>Today's Topics:
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> 1. Metaphors by Hoffmann (Sengen Sun)
> 2. oxidation (Uno Maeorg)
>
>
>----------------------------------------------------------------------
>
>Message: 1
>Date: Fri, 17 Mar 2006 10:13:59 -0800 (PST)
> From: Sengen Sun <sengensun$##$yahoo.com>
>Subject: ORGLIST: Metaphors by Hoffmann
>To: everybody$##$orglist.net
>Message-ID: <20060317181359.60561.qmail$##$web53704.mail.yahoo.com>
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>
>As strongly demanded, I have to post the reference
>here. But I will still honor every request by personal
>e-mail.
>
>Foundations of Chemistry 2004, Volume 6: Page 11.
>
>I have two questions to ask the public:
>
>1. How does such a poem contribute to science in a
>scientific journal? A Nobel Laureate certainly has the
>absolute freedom to publish anything and anywhere
>he/she wants. But if a Nobel Laureate is at fault
>scientifically, would such an absolute freedom be a
>disaster of Nobel founddation?
>
>2. Hoffmann mentioned a friend he met in his poem.
>Does anybody know who is the friend and what his
>friend did in science?
>
>Thanks.
>
>Sengen
>
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>------------------------------
>
>Message: 2
>Date: Sat, 18 Mar 2006 16:51:10 +0200
> From: Uno Maeorg <uno$##$chem.ut.ee>
>Subject: ORGLIST: oxidation
>To: everybody$##$orglist.net
>Message-ID: <6.1.1.1.0.20060318165014.01d69740$##$mega.chem.ut.ee>
>Content-Type: text/plain; charset="us-ascii"; format=flowed
>
>Dear colleagues,
>
>I'm looking for a good method for oxidation of sterol exocyclic vicinal
>diol fragment to cetol. Tetrapropylammonium perrutenate is mainly cleaving
>off the acetaldehyde and giving corresponding ketone as it is described in
>Steroids 1993, 58, 205.
>Any suggestion is welcome.
>
>
>Uno
>
>
>
>------------------------------
>
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>End of Everybody Digest, Vol 19, Issue 16
>*****************************************
Dr. K. Anil Kumar,
Department of Chemistry,
Sri Satya Sai Institute of Higher Learning,
Prashanti Nilayam, A. P., 515134,
INDIA.
HELP EVER HURT NEVER
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