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Acknowledgements
This study was carried out under the direction of Associate Professor Dr. Yusuke Ishigaki
(Department of Chemistry, Faculty of Science, Hokkaido University). The author would like to
express his sincere gratitude to Associate Professor Dr. Yusuke Ishigaki for his consistent
guidance, suggestion, valuable discussions, encouragement, and so much help through the course
of his work. He taught the author the basics of the way to study.
The author would like to express the deepest appreciation to Professor Dr. Takanori Suzuki
(Department of Chemistry, Faculty of Science, Hokkaido University) for his kind guidance,
valuable discussion, encouragement, and so much help throughout the course of his work. The
author has grown as a researcher under his guidance and is sincerely glad to be one of the members
in his laboratory.
The author expresses deeply grateful to Assistant Professor Dr. Ryo Katoono (Department of
Chemistry, Faculty of Science, Hokkaido University) for his helpful guidance, valuable
discussion, encouragement and so much help throughout the course of this work.
The author would like to thank Professor Dr. Masaya Sawamura, Professor Dr. Takeshi
Ohkuma and Professor Dr. Aiichiro Nagaki for their valuable suggestion and discussion.
The author would like to be really thankful to Dr. Wataru Nojo for his helpful guidance,
valuable discussion, encouragement and so much help throughout the course of this work.
The author would like to give a special thanks to Assistant Professor Dr. Takuya Shimajiri
(Department of Chemistry, Faculty of Science, Hokkaido University) for his helpful guidance,
valuable discussion, encouragement and so much help throughout the course of this work.
The author expresses deeply grateful to Associate Professor Dr. Shuichi Suzuki (Graduate
School of Engineering Science, Osaka University) for the measurements of electron spin
resonance for the contents of Chapter 4.
The author is special grateful for Program for Leading Graduate Schools (Hokkaido University
“Ambitious Leader’s Program”) from the Ministry of Education, Culture, Sports, Science, and
Technology (MEXT), Japan for financial support and for giving him the opportunity to experience
various valuable programs to develop the skills necessary for active on the global stage.
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The author is really thankful to Dr. Eri and Mr. Yusuke Takada (GC-MS & NMR Laboratory,
Graduate School of Agriculture, Hokkaido University) for the mass spectrometric analyses.
The author is deeply grateful to CNRS Research Director Dr. Maurice Médebielle and Assistant
Professor Dr. Jérémy Merad (Institute for Molecular and Supramolecular Chemistry and
Biochemistry (ICBMS), Université Claude Bernard Lyon 1) for their hospitable support, heartfelt
guidance, valuable discussion, and so much encouragement during my stay in Lyon, France.
The author gives a special thanks to Mr. Keisuke Sugimoto, Dr. Sugawara, Mr. Hironori Aoki,
Mr. Masataka Saito and other members in Suzuki Laboratory for their valuable discussion and
giving his invaluable time.
The author is in acknowledgment of Research Fellowship of the Japan Society for the
Promotion of Science (JSPS) for Young Scientists for Financial Support.
Finally, the author would like to express his deep and sincere gratitude to his family, Hiroko
Hayashi, Akihiro Hayashi, Masayoshi Hayashi and Masako Hayashi for their continuous financial
help and encouragement.
Yuki Hayashi
Graduate School of Chemical Science and Engineering
Hokkaido University
2023
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