2010
DOI: 10.1002/ange.200905712
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Olefin‐Oxazoline (OlefOx) – modulare, leicht zu variierende Liganden für die asymmetrische Katalyse

Abstract: In memoriam Keith FagnouDer Oxazolinring ist ein allgegenwärtiges und privilegiertes Strukturmotiv chiraler Liganden.[1] Die Starrheit des Fünf-rings, seine einfache Synthese und die Verfügbarkeit unterschiedlich substituierter Derivate sind äußerst attraktiv. Am bekanntesten sind wohl die Bisoxazolin-(BOX) [2] und Phosphan-Oxazolin-Liganden (PHOX), [3] aber viele andere heterozweizähnige Oxazolinliganden wie Phosphinite, [4] Phosphite, [5] Pyridine, [6] Phosphoramidate, [7] Phenole, [8] Alkohole, [9] Sulfo… Show more

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Cited by 21 publications
(1 citation statement)
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“…Since Grützmacher and co-workers reported the first phosphine/ olefin hybrid ligand 13 with a 5H-dibenzoA C H T U N G T R E N N U N G [a,d]-cycloheptatriene backbone for Ir-catalyzed asymmetric hydrogenation of imines to give the reductive products with up to 86 % ee in 2004, [14] phosphorous/olefin ligands 14-20 have been successfully developed for transition-metal-catalyzed asymmetric additions, allylic alkylations or aminations, and intramolecular hydroacylations (Scheme 2). [15][16][17][18][19][20][21] Nitrogen atoms were also incorporated into hybrid olefin ligands by the groups of Grützmacher, [22] Glorius, [23] and FranzØn [24] (Scheme 3). Ligands 21-23 were used in Rh I -catalyzed asymmetric conjugated additions.…”
Section: Introductionmentioning
confidence: 99%
“…Since Grützmacher and co-workers reported the first phosphine/ olefin hybrid ligand 13 with a 5H-dibenzoA C H T U N G T R E N N U N G [a,d]-cycloheptatriene backbone for Ir-catalyzed asymmetric hydrogenation of imines to give the reductive products with up to 86 % ee in 2004, [14] phosphorous/olefin ligands 14-20 have been successfully developed for transition-metal-catalyzed asymmetric additions, allylic alkylations or aminations, and intramolecular hydroacylations (Scheme 2). [15][16][17][18][19][20][21] Nitrogen atoms were also incorporated into hybrid olefin ligands by the groups of Grützmacher, [22] Glorius, [23] and FranzØn [24] (Scheme 3). Ligands 21-23 were used in Rh I -catalyzed asymmetric conjugated additions.…”
Section: Introductionmentioning
confidence: 99%