DSpace About DSpace Software

Dyuthi @ CUSAT >
Applied Chemistry >
Faculty >
Dr. Sugunan S >

Please use this identifier to cite or link to this item: http://purl.org/purl/2245

Title: Selective N-monomethylation of aniline over Zn1-xNixFe2O4 (x=0, 0.2, 0.5, 0.8 and 1) type systems
Authors: Sreekumar, K
Raja, T
Kiran, B P
Sugunan, S
Rao, B S
Keywords: Ferrites
Spinel systems
Aniline conversion
Issue Date: 1999
Publisher: Elsevier
Abstract: The reaction of aniline with methanol was carried out over Zn1-xNixFe2O4 (x= 0, 0.2, 0.5, 0.8 and 1) type systems in a fixed-bed down-flow reactor. It was observed that systems possessing low ``x'' values are highly selective and active for mono N-alkylation of aniline leading to N-methyl aniline. Selectivity for N-methyl aniline over ZnFe2O4 was more than 99% under the optimized reaction conditions. Even at methanol to aniline molar ratio of 2, the yield of N-methyl aniline was nearly 55.5%, whereas its yield exceeded 67% at the molar ratio of 7. The Lewis acid sites of the catalysts are mainly responsible for the good catalytic performance. Cation distribution in the spinel lattice influences their acido-basic properties, and hence, these factors have been considered as helpful to evaluate the activity and stability of the systems.
URI: http://dyuthi.cusat.ac.in/purl/2245
Appears in Collections:Dr. Sugunan S

Files in This Item:

File Description SizeFormat
Dyuthi-SS43.pdfPDF594.6 kBAdobe PDFView/Open
View Statistics

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.


Valid XHTML 1.0! DSpace Software Copyright © 2002-2010  Duraspace - Feedback