Please use this identifier to cite or link to this item: http://nopr.niscair.res.in/handle/123456789/18033
Title: Studies on reactions of anhydrides with Schiff bases
Authors: Kumar, Padam Praveen
Mohiuddin, S M G
Devi, B Rama
Dubey, P K
Keywords: Phthalic anhydride;Maleic anhydride;Succinic anhydride;Acetic anhydride;Schiff base;2,4-DNP
Issue Date: May-2013
Publisher: NISCAIR-CSIR, India
Abstract: Reaction of phthalic anhydride 1 with benzylidineanilines 2, in equimolar ratio in hot acetic acid, yields N-arylphthalimides 3. Compound 1 reacts with the arylimine part of the Schiff base eliminating benzaldehyde part 4 as the bye-product. This reaction of 1 with 2 is also found to occur with other anhydrides like succinic anhydride 5, maleic anhydride 7 and acetic anhydride 9 resulting in the formation of the corresponding N-arylimides, namely, succinicimide 6, maleicimide 8 and aceticimide 10 respectively. In all the above reactions, the by-product, i.e. benzaldehyde or p-chlorobenzaldehyde can be isolated and characterized as its 2,4-dinitrophenylhydrazone derivative. Probable mechanism for the formation of imides from the corresponding anhydrides and Schiff bases has been suggested.
Page(s): 686-690
URI: http://hdl.handle.net/123456789/18033
ISSN: 0975-0983(Online); 0376-4699(Print)
Appears in Collections:IJC-B Vol.52B(05) [May 2013]

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