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A μ‐Oxo‐μ‐η 2 :η 2 ‐Peroxo Titanium Complex as a Reservoir of Active Species in Asymmetric Epoxidation Using Hydrogen Peroxide
Author(s) -
Kondo Shoichi,
Saruhashi Kowichiro,
Seki Kenichi,
Matsubara Koutatsu,
Miyaji Katsuaki,
Kubo Takuya,
Matsumoto Kazuhiro,
Katsuki Tsutomu
Publication year - 2008
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.200804685
Subject(s) - hydrogen peroxide , titanium , catalysis , hydrogen , chemistry , peroxide , inorganic chemistry , materials science , organic chemistry
In the on‐deck circle : A μ‐oxo‐μ‐η 2 :η 2 ‐peroxo titanium(salan) complex (see structure; Ti purple, O red, N blue, C gray) was synthesized from the corresponding di‐μ‐oxo titanium(salan) complex using 30 % hydrogen peroxide. The μ‐oxo‐μ‐η 2 :η 2 ‐peroxo complex is slowly converted into an active species involved in the catalytic cycle of asymmetric epoxidation.