Chiral Palladacycle Catalysts Generated on a Single‐Handed Helical Polymer Skeleton for Asymmetric Arylative Ring Opening of 1,4‐Epoxy‐1,4‐dihydronaphthalene | Zendy

Yamamoto Takeshi | Zendy; Akai Yuto | Zendy; Suginome Michinori | Zendy

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Chiral Palladacycle Catalysts Generated on a Single‐Handed Helical Polymer Skeleton for Asymmetric Arylative Ring Opening of 1,4‐Epoxy‐1,4‐dihydronaphthalene

Author(s) -

Yamamoto Takeshi,

Akai Yuto,

Suginome Michinori

Publication year - 2014

Publication title -

angewandte chemie

Language(s) - English

Resource type - Journals

eISSN - 1521-3757

pISSN - 0044-8249

DOI - 10.1002/ange.201407358

Subject(s) - epoxy , chemistry , palladium , polymer chemistry , phosphine , catalysis , quinoxaline , ring (chemistry) , ring opening polymerization , polymerization , polymer , organic chemistry

Post‐polymerization CH activation of poly(quinoxaline‐2,3‐diyl)‐based helically chiral phosphine ligands (PQXphos) with palladium(II) acetate afforded chiral phosphapalladacycles quantitatively. In situ generated palladacycles exhibited enantioselectivities up to 94 % ee in the palladium‐catalyzed asymmetric ring‐opening arylation of 1,4‐epoxy‐1,4‐dihydronaphthalenes with arylboronic acids.

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