ORGLIST: Suggestions for grad schools?

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From: Ken Knott (esprcorn$##$hotmail.com)
Date: Thu Sep 15 2005 - 13:59:48 EDT


Can anyone offer some suggestions for organic chemistry grad school progams
in the eastern side of the US? I'm probobly looking for something in the
top 25% but I have no illusions as to being able to get into the top 10% or
anything...

I'm mainly interested in synthesis. Perhaps natural products, process
chemistry, etc....

Thanks,

Ken


>From: everybody-request$##$orglist.net
>Reply-To: everybody$##$orglist.net
>To: everybody$##$orglist.net
>Subject: Everybody Digest, Vol 12, Issue 10
>Date: Thu, 15 Sep 2005 12:02:47 -0400 (EDT)
>
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>Today's Topics:
>
> 1. Re: hydrogenation (Gang Chen)
> 2. RE: Formic Acid water removal - DANGER (Richard Prankerd)
> 3. Re: Formic Acid water removal - DANGER (Moens, Luc)
> 4. 1,3-Difluorobenzene (Nalini Patel)
>
>
>----------------------------------------------------------------------
>
>Message: 1
>Date: Wed, 14 Sep 2005 12:11:24 -0700 (PDT)
>From: Gang Chen <oz-wizz$##$yahoo.com>
>Subject: Re: ORGLIST: hydrogenation
>To: everybody$##$orglist.net
>Message-ID: <20050914191124.53875.qmail$##$web30409.mail.mud.yahoo.com>
>Content-Type: text/plain; charset=iso-8859-1
>
>Can you hydrogenate in acetic acid instead?
>
>GC.
>
>--- Andrew <westernave1970$##$yahoo.com> wrote:
>
> > I'm attempting a hydrogenation of an Z-protected
> > amine with palladion on carbon under hydrogen. The
> > Z-groups is coming off fine, however, if the
> > reaction is performed in methanol, I'm getting the
> > NMe product, similarly if in ethanol, I'm getting
> > the NEt product. How do I stop this?
> >
> >
> > ---------------------------------
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>------------------------------
>
>Message: 2
>Date: Thu, 15 Sep 2005 07:57:09 +1000
>From: Richard Prankerd <Richard.Prankerd$##$vcp.monash.edu.au>
>Subject: RE: ORGLIST: Formic Acid water removal - DANGER
>To: srinivas reddy <gounisrinivas$##$yahoo.com>, Chhaganbhai Madhubhai
> <cmb_92002$##$yahoo.co.in>, everybody$##$orglist.net
>Message-ID:
> <89907EA1DCFB7548A431C13A270F9DD5C12485$##$prk-exch-01.vcp.local>
>Content-Type: text/plain; charset=us-ascii
>
>All:
>
>In using the information in the website below, note two things:
>
>1. The danger of mixing anhydrous formic acid with concentrated
>sulphuric acid, as this will form carbon monoxide - I used this reaction
>when CO was needed for other reactions;
>
>2. The mechanism described on the website is in error by claiming that
>the formation of carbon monoxide from formic acid and sulphuric acid is
>an oxidation reaction - IT IS NOT. Simple examination of the reaction
>stoichiometry shows that this is a dehydration reaction.
>
>Therefore, attempts to remove water from formic acid/water mixtures must
>be performed cautiously in a well ventilated space to reduce the risk of
>carbon monoxide formation. Always perform on a small scale first.
>
>Richard
>
>Richard J. Prankerd, PhD
>Senior Lecturer
>Victorian College of Pharmacy, Monash University
>381 Royal Pde., Parkville VIC 3052
>
>Phone: INT+613-9903-9003
>Phax: INT+613-9903-9583
>
>Drugs need to be designed with delivery components in mind - Takeru
>Higuchi
>
>
> > -----Original Message-----
> > From: everybody-bounces$##$orglist.net
> > [mailto:everybody-bounces$##$orglist.net] On Behalf Of srinivas reddy
> > Sent: Wednesday, 14 September 2005 8:54 PM
> > To: Chhaganbhai Madhubhai; everybody$##$orglist.net
> > Subject: Re: ORGLIST: Formic Acid water removal
> >
> >
> >
> > hi,
> >
> > here is some useful information:
> >
> > http://designer-drugs.com/pte/12.162.180.114/dcd/chemistry/for
> > mic.acid.html
> >
> > hope this would help. good luck
> >
> > regards
> >
> > Srinivas
> >
> >
> >
> > --- Chhaganbhai Madhubhai <cmb_92002$##$yahoo.co.in>
> > wrote:
> >
> > > Dear friends,
> > >
> > > I have recovered Formic Acid of 60 % and 40 % water
> > > . Now i want to make concentration upto 85 % how to
> > > remove water from this mixture ? I have tried with
> > > long column distillation but failed in that. so plz
> > > if any one who had good idea to remove this water by
> > > absorption of any salt or any inorganic chemicals
> > > tell me plz.
> > > I have 30 Killoleter formic Acid if I go for sale I
> > > am loosing lot of money.
> > > plz help in this my problem.
> > >
> > > Thanks to all in advance.
> > >
> > > cmb_92002$##$yahoo.co.in
> > > Genius Organic Products
> > >
>
>
>------------------------------
>
>Message: 3
>Date: Wed, 14 Sep 2005 17:18:10 -0600
>From: "Moens, Luc" <luc_moens$##$nrel.gov>
>Subject: Re: ORGLIST: Formic Acid water removal - DANGER
>To: Richard Prankerd <Richard.Prankerd$##$vcp.monash.edu.au>, srinivas
> reddy <gounisrinivas$##$yahoo.com>, Chhaganbhai Madhubhai
> <cmb_92002$##$yahoo.co.in>, <everybody$##$orglist.net>
>Message-ID: <BF4E0BD2.F64%luc_moens$##$nrel.gov>
>Content-Type: text/plain; charset="US-ASCII"
>
>Dear colleagues,
>
>If I may add to the messages below, the hazards of pressure build-up in
>formic acid containers has been known to cause spontaneous explosions. I
>would be very hesitant to store large quantities of concentrated formic
>acid
>without some special pressure releasing caps. While sulfuric acid
>certainly
>sets off this CO generation in a rapid manner, it looks like slow T-induced
>decomposition also occurs upon storage. It's the more insidious hazard
>that
>was once described in a short safety alert in C&E News magazine several
>years ago.
>
>If you do a google search, you'll find all kinds of information that
>testifies to this hazard.
>
>Luc
>
>
>On 9/14/05 3:57 PM, "Richard Prankerd" <Richard.Prankerd$##$vcp.monash.edu.au>
>wrote:
>
> > All:
> >
> > In using the information in the website below, note two things:
> >
> > 1. The danger of mixing anhydrous formic acid with concentrated
> > sulphuric acid, as this will form carbon monoxide - I used this reaction
> > when CO was needed for other reactions;
> >
> > 2. The mechanism described on the website is in error by claiming that
> > the formation of carbon monoxide from formic acid and sulphuric acid is
> > an oxidation reaction - IT IS NOT. Simple examination of the reaction
> > stoichiometry shows that this is a dehydration reaction.
> >
> > Therefore, attempts to remove water from formic acid/water mixtures must
> > be performed cautiously in a well ventilated space to reduce the risk of
> > carbon monoxide formation. Always perform on a small scale first.
> >
> > Richard
> >
> > Richard J. Prankerd, PhD
> > Senior Lecturer
> > Victorian College of Pharmacy, Monash University
> > 381 Royal Pde., Parkville VIC 3052
> >
> > Phone: INT+613-9903-9003
> > Phax: INT+613-9903-9583
> >
> > Drugs need to be designed with delivery components in mind - Takeru
> > Higuchi
> >
> >
> >> -----Original Message-----
> >> From: everybody-bounces$##$orglist.net
> >> [mailto:everybody-bounces$##$orglist.net] On Behalf Of srinivas reddy
> >> Sent: Wednesday, 14 September 2005 8:54 PM
> >> To: Chhaganbhai Madhubhai; everybody$##$orglist.net
> >> Subject: Re: ORGLIST: Formic Acid water removal
> >>
> >>
> >>
> >> hi,
> >>
> >> here is some useful information:
> >>
> >> http://designer-drugs.com/pte/12.162.180.114/dcd/chemistry/for
> >> mic.acid.html
> >>
> >> hope this would help. good luck
> >>
> >> regards
> >>
> >> Srinivas
> >>
> >>
> >>
> >> --- Chhaganbhai Madhubhai <cmb_92002$##$yahoo.co.in>
> >> wrote:
> >>
> >>> Dear friends,
> >>>
> >>> I have recovered Formic Acid of 60 % and 40 % water
> >>> . Now i want to make concentration upto 85 % how to
> >>> remove water from this mixture ? I have tried with
> >>> long column distillation but failed in that. so plz
> >>> if any one who had good idea to remove this water by
> >>> absorption of any salt or any inorganic chemicals
> >>> tell me plz.
> >>> I have 30 Killoleter formic Acid if I go for sale I
> >>> am loosing lot of money.
> >>> plz help in this my problem.
> >>>
> >>> Thanks to all in advance.
> >>>
> >>> cmb_92002$##$yahoo.co.in
> >>> Genius Organic Products
> >>>
> > _______________________________________________
> > ORGLIST - Organic Chemistry Mailing List
> > Website / Archive / FAQ: http://www.orglist.net
> > To post a message (TO EVERYBODY) send to everybody$##$orglist.net
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>unsubscribe
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>
>
>
>------------------------------
>
>Message: 4
>Date: 15 Sep 2005 04:18:30 -0000
>From: "Nalini Patel" <nalini.patel$##$rediffmail.com>
>Subject: ORGLIST: 1,3-Difluorobenzene
>To: everybody$##$orglist.net
>Message-ID: <20050915041830.12035.qmail$##$webmail47.rediffmail.com>
>
>Hello to all friends !
>
>I'm trying to develope 1,3-Difluorobenzene from two possible paths.
>
>a) from m-Phenylenediamine & b) from 1,3-Dichlorobenzene.
>
>
>But I have not any synthesis references for this. Can someone pls help me
>suggesting synthesis procedures for these ?
>
>Awaiting your comments !
>
>
>
>Thanks,
>NALINI
>
>
>------------------------------
>
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>End of Everybody Digest, Vol 12, Issue 10
>*****************************************


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