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Featured researches published by Yukitsugu Ono.


Bioorganic & Medicinal Chemistry Letters | 2008

The structure–activity relationship study on 2-, 5-, and 6-position of the water soluble 1,4-dihydropyridine derivatives blocking N-type calcium channels

Takashi Yamamoto; Seiji Niwa; Seiji Ohno; Munetaka Tokumasu; Yoko Masuzawa; Chika Nakanishi; Akira Nakajo; Tomoyuki Onishi; Hajime Koganei; Shinichi Fujita; Tomoko Takeda; Morikazu Kito; Yukitsugu Ono; Yuki Saitou; Akira Takahara; Seinosuke Iwata; Masataka Shoji

In order to find an injectable and selective N-type calcium channel blocker, we have performed the structure-activity relationship (SAR) study on the 2-, 5-, and 6-position of 1,4-dihydropyridine-3-carboxylate derivative APJ2708 (2), which is a derivative of Cilnidipine and has L/N-type calcium channel dual inhibitory activities. As a consequence of the optimization, 6-dimethylacetal derivative 7 was found to have an effective inhibitory activity against N-type calcium channels with more than 170-fold lower activity for L-type channel compared to that of APJ2708.


Hypertension Research | 2003

Neuronal Ca2+ Channel Blocking Action of an Antihypertensive Drug, Cilnidipine, in IMR-32 Human Neuroblastoma Cells

Akira Takahara; Shinichi Fujita; Keiko Moki; Yukitsugu Ono; Hajime Koganei; Satoshi Iwayama; Hiroshi Yamamoto


Bioorganic & Medicinal Chemistry Letters | 2006

Structure-activity relationship study of 1,4-dihydropyridine derivatives blocking N-type calcium channels.

Takashi Yamamoto; Seiji Niwa; Seiji Ohno; Tomoyuki Onishi; Hiroyuki Matsueda; Hajime Koganei; Hisayuki Uneyama; Shinichi Fujita; Tomoko Takeda; Morikazu Kito; Yukitsugu Ono; Yuki Saitou; Akira Takahara; Seinosuke Iwata; Masataka Shoji


Bioorganic & Medicinal Chemistry | 2006

Discovery, structure–activity relationship study, and oral analgesic efficacy of cyproheptadine derivatives possessing N-type calcium channel inhibitory activity

Takashi Yamamoto; Seiji Niwa; Satoshi Iwayama; Hajime Koganei; Shinichi Fujita; Tomoko Takeda; Morikazu Kito; Yukitsugu Ono; Yuki Saitou; Akira Takahara; Seinosuke Iwata; Hiroshi Yamamoto; Masataka Shoji


Archive | 1999

Substance with antithrombotic activity and method for detecting glycokallidin

Naoyuki Fukuchi; Fumie Futaki; Morikazu Kito; Seiichi Sato; Takayuki Kajiura; Yukitsugu Ono; Koichi Ishii; Akiko Tanaka; Junko Shinozaki; Yasuko Jojima


Archive | 2001

Novel pyrimidine derivative and novel pyridine derivative

Seiji Ohno; Kayo Otani; Seiji Niwa; Satoshi Iwayama; Akira Takahara; Hajime Koganei; Yukitsugu Ono; Shinichi Fujita; Tomoko Takeda; Masako Hagihara; Akiko Okajima


Archive | 2007

Novel diarylalkene derivatives and novel diarylalkane derivatives

Takashi Yamamoto; Seiji Niwa; Kayo Otani; Seiji Ohno; Hajime Koganei; Satoshi Iwayama; Akira Takahara; Yukitsugu Ono; Tomoko Takeda; Shinichi Fujita; Keiko Moki


Archive | 2000

Novel dihydropyrimidine derivatives

Seiji Ohno; Akiko Okajima; Seiji Niwa; Morikazu Kito; Akira Takahara; Yukitsugu Ono; Yuki Kajigaya; Tomoko Takeda; Hajime Koganei


Archive | 2003

Pyrimidine derivatives and new pyridine derivatives

Seiji Ohno; Kayo Otani; Seiji Niwa; Satoshi Iwayama; Akira Takahara; Hajime Koganei; Yukitsugu Ono; Shinichi Fujita; Tomoko Takeda; Masako Hagihara; Akiko Okajima


Archive | 2001

Dihydropyrimidine compounds and compositions containing the same

Seiji Ohno; Akiko Okajima; Seiji Niwa; Morikazu Kito; Akira Takahara; Yukitsugu Ono; Yuki Kajigaya; Tomoko Takeda; Hajime Koganei

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