C4-Alkylamination of C4-Halo-1<i>H</i>-1-tritylpyrazoles Using Pd(dba)₂ or CuI

by Yoshihide Usami, Yuya Tatsui, Hiroki Yoneyama, Shinya Harusawa
Published 2020-10-01

Synthesis of Dihydrooxepino[3,2-c]Pyrazoles via Claisen Rearrangement and Ring-Closing Metathesis from 4-Allyloxy-1H-pyrazoles

by Yoshihide Usami, Aoi Kohno, Hiroki Yoneyama, Shinya Harusawa
Published 2018-03-01

In Vitro Cytotoxicity and In Vivo Antitumor Efficacy of Tetrazolato-Bridged Dinuclear Platinum(II) Complexes with a Bulky Substituent at Tetrazole C5

by Seiji Komeda, Masako Uemura, Hiroki Yoneyama, Shinya Harusawa, Keiichi Hiramoto
Published 2019-01-01

Synthesis of Dihydropyrano[3,2-c]pyrazoles via Double Bond Migration and Ring-Closing Metathesis

by Yoshihide Usami, Kodai Sumimoto, Azusa Kishima, Yuya Tatsui, Hiroki Yoneyama, Shinya Harusawa
Published 2019-01-01

Synthesis of Natural O-Linked Carba-Disaccharides, (+)- and (−)-Pericosine E, and Their Analogues as α-Glucosidase Inhibitors

by Yoshihide Usami, Koji Mizuki, Rikiya Kawahata, Makio Shibano, Atsuko Sekine, Hiroki Yoneyama, Shinya Harusawa
Published 2017-01-01

CuI-Catalyzed Coupling Reactions of 4-Iodopyrazoles and Alcohols: Application toward Withasomnine and Homologs

by Yoshihide Usami, Yumika Kubo, Toshiki Takagaki, Nao Kuroiwa, Jun Ono, Kohei Nishikawa, Ayaka Nakamizu, Yuya Tatsui, Shinya Harusawa, Noboru Hayama, Hiroki Yoneyama
Published 2021-06-01

Syntheses and Glycosidase Inhibitory Activities, and in Silico Docking Studies of Pericosine E Analogs Methoxy-Substituted at C6

by Yoshihide Usami, Megumi Higuchi, Koji Mizuki, Mizuki Yamamoto, Mao Kanki, Chika Nakasone, Yuya Sugimoto, Makio Shibano, Yoshihiro Uesawa, Junko Nagai, Hiroki Yoneyama, Shinya Harusawa
Published 2020-04-01