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How Important are Impurities in Catalysis? An Example from Ring‐Closing Metathesis
Author(s) -
Lübbe Christa,
Dumrath Andreas,
Neumann Helfried,
Schäffer Marion,
Zimmermann Ralf,
Beller Matthias,
Kadyrov Renat
Publication year - 2014
Publication title -
chemcatchem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.497
H-Index - 106
eISSN - 1867-3899
pISSN - 1867-3880
DOI - 10.1002/cctc.201300779
Subject(s) - catalysis , metathesis , ring closing metathesis , ruthenium , halide , homogeneous , impurity , substrate (aquarium) , combinatorial chemistry , chemistry , homogeneous catalysis , benchmark (surveying) , organic chemistry , thermodynamics , physics , oceanography , geodesy , geography , polymerization , geology , polymer
The dramatic effect of substrate impurities on the performance of a specific ruthenium catalyst system is demonstrated in the benchmark metathesis reaction of diethyl diallylmalonate. Based on detailed two‐dimensional GC–time‐of‐flight MS measurements, the significant influence of small amounts of different contaminations, especially various organic halides, is shown. This work serves as an incisive example of the importance of impurities to catalyst performance, also in homogeneous catalysis, which is often ignored in academic research.

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