N,C-bound phosphenium cations: Synthesis and reactivity with small molecules

Gray, P. A. (2012). N,C-bound phosphenium cations: Synthesis and reactivity with small molecules. https://scholar.acadiau.ca/islandora/object/theses:928

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Details:

Title

N,C-bound phosphenium cations: Synthesis and reactivity with small molecules

Author
Gray, Paul A.
Call Number

LE3 .A278 2012

Date

2012

Supervisor

Ellis, Bobby

Degree Grantor

Acadia University

Degree Name

Bachelor of Science

Degree Level

Honours

Discipline

Chemistry

Affiliation

Chemistry

Abstract

Several monochlorophosphines, each possessing a diisopropylamido substituent and either an alkyl (tert-butyl = tBu) or an aryl (2,4,6-trimethylphenyl = Mes) substituent, were synthesized. Phosphenium cations were then generated from a number of these precursors through either halide abstraction with the Lewis acid Al2Cl6, or through salt metathesis with AgOTf (OTf = CF3SO3) and characterized using 31P NMR spectroscopy. H2 gas was bubbled through a CH2Cl2 solution of either the phosphenium AlCl4 or OTf salts and the reaction mixture was analyzed by 31P NMR spectroscopy to investigate the formation of an H2 activation product. The AlCl4 derivative was also tested for NH3 activation and the products were characterized by 31P NMR spectroscopy.

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Permanent Link

https://scholar.acadiau.ca/islandora/object/theses:928

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