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rossella...
Posted: Mon Jun 02, 2008 4:36 am
Guest
me again, an anhydride can be transformed into an ester or into an
amide, which of the two reactions ais more exoergonic?
I think they are both exoergonic (but if we add a phenol to the
anhydride this is less exoergonic) but I cannot determine which of the
two reactions is more exoergonic. I'd say anhydride --> amide but I am
not 100% sure
Rossella
Bob...
Posted: Mon Jun 02, 2008 8:46 pm
Guest
On Mon, 02 Jun 2008 11:36:30 +0200, rossella
<askme at (no spam) millenniumdogs.net> wrote:

Quote:
me again, an anhydride can be transformed into an ester or into an
amide, which of the two reactions ais more exoergonic?
I think they are both exoergonic

yes

Quote:
(but if we add a phenol to the
anhydride this is less exoergonic) but I cannot determine which of the
two reactions is more exoergonic. I'd say anhydride --> amide but I am
not 100% sure


yes.

You should have a table showing the general order of stability.
anhydrides < ester < amide. It is the basis for the statements you
said above.


bob
rossella...
Posted: Tue Jun 03, 2008 1:38 pm
Guest
On Mon, 02 Jun 2008 18:46:46 -0700, Bob <bbx107.XYZ at (no spam) excite.XYZ.com>
wrote:



Quote:

You should have a table showing the general order of stability.
anhydrides < ester < amide. It is the basis for the statements you
said above.


bob


do you mean a specific table? I just have a few notes abot this.
Thanks
Rossella
Bob...
Posted: Tue Jun 03, 2008 10:49 pm
Guest
On Tue, 03 Jun 2008 20:38:25 +0200, rossella
<askme at (no spam) millenniumdogs.net> wrote:

Quote:
On Mon, 02 Jun 2008 18:46:46 -0700, Bob <bbx107.XYZ at (no spam) excite.XYZ.com
wrote:




You should have a table showing the general order of stability.
anhydrides < ester < amide. It is the basis for the statements you
said above.


bob


do you mean a specific table?

Well, many books will provide a table (or figure), listing the order
of reactivities of the acyl derivatives.

You seem to have the idea; a table is just a nice way to organize it.


bob
 
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