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Iridium-catalyzed asymmetric hydrogenation of olefins using pyridine-phosphinites derived from the chiral pool
KTH, School of Chemical Science and Engineering (CHE), Chemistry, Organic Chemistry.ORCID iD: 0000-0002-1743-7650
2008 (English)In: ARKIVOC, ISSN 1424-6376, 58-66 p.Article in journal (Refereed) Published
Abstract [en]

Cationic iridium complexes containing chiral pyridine-phosphinites, with their chirality derived from menthol or mandelic acid, were assessed in hydrogenations of trisubstituted non-functionalized olefins. Complexes with the new ligands showed high reactivity towards most of the olefins tested. The enantioselectivities varied with the structures of the substrate and the ligand. Best results were obtained in the hydrogenation of 3-hydroxy-2-methyl-1-phenylpropene using a ligand prepared from (-)-menthol, pyridyllithium and diphenylchlorophosphine (>99% conversion, 92% ee).

Place, publisher, year, edition, pages
2008. 58-66 p.
URN: urn:nbn:se:kth:diva-18081ISI: 000262196200007ScopusID: 2-s2.0-51449119374OAI: diva2:336127
QC 20100525Available from: 2010-08-05 Created: 2010-08-05Bibliographically approved

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Moberg, Christina
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