Observations of Rhodium-Containing Reaction Intermediates using HPLC with ICP-MS and ESI-MS Detection

HPLC with ICP‐MS or ESI‐MS detection has been used to investigate metal‐containing reaction intermediates in the ligand exchange process leading to formation of the well known Rh2(MEPY)4 catalyst. A variety of intermediates are observed along the pathway to formation of the desired tetrasubstituted...

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Bibliographic Details
Published in:Advanced synthesis & catalysis 2006-05, Vol.348 (7-8), p.821-825
Main Authors: Welch, Christopher J., Tu, Qiang, Wang, Tiebang, Raab, Conrad, Wang, Peng, Jia, Xiujuan, Bu, Xiaodong, Bykowski, Darren, Hohenstaufen, Benjamin, Doyle, Michael P.
Format: Article
Language:English
Subjects:
catalyst
ESI-MS
HPLC
ICP-MS
metal speciation
rhodium
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Summary:HPLC with ICP‐MS or ESI‐MS detection has been used to investigate metal‐containing reaction intermediates in the ligand exchange process leading to formation of the well known Rh2(MEPY)4 catalyst. A variety of intermediates are observed along the pathway to formation of the desired tetrasubstituted product, including isomeric species from di‐, tri‐, or tetrasubstitution that were previously believed to be absent.
ISSN:1615-4150
1615-4169
DOI:10.1002/adsc.200505438