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Phosphane‐Functionalized Cycloheptatrienyl–Cyclopentadienyl Titanium Sandwich Complexes: Phosphorus Ligands with an Integrated Reducing Agent for Palladium(0) Catalyst Generation
Author(s) -
Tagne Kuate Alain C.,
Sameni Soheila,
Freytag Matthias,
Jones Peter G.,
Tamm Matthias
Publication year - 2013
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201304252
Subject(s) - cyclopentadienyl complex , moiety , chemistry , palladium , steric effects , catalysis , aryl , titanium , combinatorial chemistry , organic chemistry , alkyl
A picture of (non)innocence : Non‐innocent and bulky phosphanes bearing a reducing cycloheptatrienyl–cyclopentadienyl titanium moiety swiftly convert Pd II into Pd 0 species at room temperature (see scheme). The resulting complex catalyzes the Suzuki–Miyaura coupling with fast conversion even of sterically hindered aryl bromides.