Catalyst poisoning and selectivity constants in polyethylene glycol catalyzed phase transfer catalysis

Ronny Neumann; Yoel Sasson

doi:10.1016/0304-5102(85)85075-6

Catalyst poisoning and selectivity constants in polyethylene glycol catalyzed phase transfer catalysis

Ronny Neumann^*
, Yoel Sasson

^*Corresponding author for this work

Institute of Chemistry

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

Abstract

Polyethylene glycol was found to undergo anionic 'catalyst poisoning' by lipophilic anions in a manner similar to that of quaternary ammonium salts, even though the interaction between alkali salts and the catalyst is generally considered to be influenced only by the cation. From reaction profiles which indicated catalyst poisoning, an exact kinetic equation describing the conversion as a function of time could be used to compute selectivity constants, K_s, by graphic iterations.

Original language	English
Pages (from-to)	81-88
Number of pages	8
Journal	Journal of Molecular Catalysis
Volume	31
Issue number	1
DOIs	https://doi.org/10.1016/0304-5102(85)85075-6
State	Published - Jul 1985

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title = "Catalyst poisoning and selectivity constants in polyethylene glycol catalyzed phase transfer catalysis",

abstract = "Polyethylene glycol was found to undergo anionic 'catalyst poisoning' by lipophilic anions in a manner similar to that of quaternary ammonium salts, even though the interaction between alkali salts and the catalyst is generally considered to be influenced only by the cation. From reaction profiles which indicated catalyst poisoning, an exact kinetic equation describing the conversion as a function of time could be used to compute selectivity constants, Ks, by graphic iterations.",

author = "Ronny Neumann and Yoel Sasson",

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AU - Neumann, Ronny

AU - Sasson, Yoel

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N2 - Polyethylene glycol was found to undergo anionic 'catalyst poisoning' by lipophilic anions in a manner similar to that of quaternary ammonium salts, even though the interaction between alkali salts and the catalyst is generally considered to be influenced only by the cation. From reaction profiles which indicated catalyst poisoning, an exact kinetic equation describing the conversion as a function of time could be used to compute selectivity constants, Ks, by graphic iterations.

AB - Polyethylene glycol was found to undergo anionic 'catalyst poisoning' by lipophilic anions in a manner similar to that of quaternary ammonium salts, even though the interaction between alkali salts and the catalyst is generally considered to be influenced only by the cation. From reaction profiles which indicated catalyst poisoning, an exact kinetic equation describing the conversion as a function of time could be used to compute selectivity constants, Ks, by graphic iterations.

UR - https://www.scopus.com/pages/publications/0022093810

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JO - Journal of Molecular Catalysis

JF - Journal of Molecular Catalysis

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Catalyst poisoning and selectivity constants in polyethylene glycol catalyzed phase transfer catalysis

Abstract

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