Copper(II) acetylacetonate anchored onto an activated carbon as a heterogeneous catalyst for the aziridination of styrene

• Type: Article in International Scientific Journal
• Date: 2005

Authors

Silva, AR (Author) REIT; Figueiredo, JL (Author) FEUP; Freire, C (Author) FCUP; de Castro, B (Author) FCUP

Journal

Title: Catalysis Today

Vol. 102

Pages: 154-159

ISSN: 0920-5861

Publisher: Elsevier

Indexing

ISI Web of Knowledge - 47 Citations

Scopus - 48 Citations

Scientific classification

FOS: Engineering and technology > Chemical engineering

Other information

Authenticus ID: P-000-3AT

DOI: 10.1016/j.cattod.2005.02.016

Abstract (EN): Copper(II) acetylacetonate anchored onto a triamine functionalised activated carbon, [Cu(acac)(2)trien] @AC, was tested in the aziridination of styrene, using PhI = NTs as nitrogen source and acetonitrile as solvent, at room temperature. The styrene conversion and total TON of the heterogeneous phase reaction are similar to those relating the same reaction catalysed in homogeneous phase by [Cu(acac)(2)]; nevertheless, the initial activity decreases and reaction time increases due to substract and product diffusion limitations. The heterogeneous catalyst could be reused in further catalytic reactions for four times with successive increase in styrene conversion, initial activity and thus in the total turnover number (TON, better than in homogeneous phase reaction). No metal complex leaching was observed after the consecutive catalytic reactions.

Language: English

Type (Professor's evaluation): Scientific

No. of pages: 6