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Environmentally friendly efficient synthesis and mechanism of triazenes derived from cyclic amines on clays, HZSM-5 and sulfated zirconia

Paper ID Volume ID Publish Year Pages File Format Full-Text
48493 46510 2007 10 PDF Available
Title
Environmentally friendly efficient synthesis and mechanism of triazenes derived from cyclic amines on clays, HZSM-5 and sulfated zirconia
Abstract

Diazotization and diazocoupling reactions of para-aminobenzene-1-sulfonyl azide and para-aminobenzene-1-sulfonyl amide with cyclic amines of various ring sizes (pyrrolidine, piperidine, 4-methylpiperidine, N-methylpiperazine, morpholine and hexamethyleneimine over eco-friendly clay catalysts, HZSM-5 and sulphated zirconia are described. These inexpensive, noncorrosive and reusable catalysts appear to exhibit bifunctional catalytic properties for these reactions. No considerable decreases in the efficiency of the catalysts were observed after four cycles of operation. The new method totally avoids the use of acid, alkali or toxic solvents in diazotization and diazocoupling reactions.

Keywords
Environmental compatibility; Heterocyclic amines; Diazotization; Diazocoupling; Triazenes; Clays; HZSM-5; Sulfated zirconia
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Environmentally friendly efficient synthesis and mechanism of triazenes derived from cyclic amines on clays, HZSM-5 and sulfated zirconia
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 76, Issues 1–2, 30 October 2007, Pages 24–33
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us