Editor
Prof. Sensuke Ogoshi
Osaka University
Department of Applied Chemistry
1-1 Yamadaoka, Suita
565-0871 Osaka
Japan
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Print ISBN: 978-3-527-34407-9
ePDF ISBN: 978-3-527-81379-7
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Nickel has been recognized as one of the most uncontrollable transition metals as a catalyst in homogeneous reactions and is sometimes called as a spirited horse. Therefore, chemists have developed new ligands, new reaction conditions, and new apparatus to control the reactivity of nickel catalysts, which allows us to apply nickel catalysts to a variety of bond forming reactions.
In fact, nickel-catalyzed reactions have been getting more popular and important for the past 10 years, since a variety of transformations of organic compounds via single-electron transfer processes as well as oxidative cyclization have been developed. These reactions are broadly applicable to the synthesis of complicated molecules and unprecedented bond formation.
The latest book focusing on nickel-catalyzed reactions had been published in 2005, “Modern Organonickel Chemistry,” edited by Professor Yoshinao Tamaru.
In Chart 1, we can see that the number of publications titled palladium-catalyzed reactions is two times higher than that of nickel-catalyzed reactions in 2018. However, the number of the publications of palladium-catalyzed reactions has been decreasing in the recent three years. On the other hand, that of nickel-catalyzed reactions has been increasing. The increasing number of publications of nickel-catalyzed reactions could be due to the improvement of reactors as well as the improvement of the quality of commercially available nickel catalysts (complexes). For example, yellow shine crystal of Ni(cod)2 is commercially available nowadays.
Chart 1.
Under these circumstances, I am convinced that the publication of a new book dealing with the recent progress in nickel catalysis would be very helpful to develop new reactions.
Finally, the authors hope this book will encourage graduate students who can control a spirited horse in the near future.
Sensuke Ogoshi
31 March 2019
Osaka