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Author: Subject: ozonolysis of fatty acid
ahlok2002
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[*] posted on 28-12-2004 at 23:11
ozonolysis of fatty acid


when ozonolysis of poly unsaturated fatty acid , what will be the out come??

which will produce the carboxylic and aldehyde end for a straight chain poly unsaturated fatty acid

[Edited on 29-12-2004 by ahlok2002]




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JohnWW
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[*] posted on 29-12-2004 at 01:40


You would probably end up with a mixture of two aldehydes and two carboxylic acids, in roughly equal proportions.

BTW The first step in ozonolysis of an ethylenic double bond is the formation of a highly unstable, potentially explosive, ozonide, in which the 3 O atoms add across the double bond forming a 5-membered ring. Cleavage of this (including of the remaining C-C bond) with migration of H and O atoms would give aldehydes and carboxylic acids. Another possible minor product is the epoxide, formed by loss of O2 without breakage of the remaining C-C bond. One other minor product could be a peroxycarboxylic acid.

[Edited on 29-12-2004 by JohnWW]
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ahlok2002
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[*] posted on 30-12-2004 at 03:04


thanks...

but will that only one cardoxylic acid produced and many aldehydes or ketones?

[Edited on 30-12-2004 by ahlok2002]




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