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Hachiro Sugimoto, Yutaka Tsuchiya, Kunizou Higurashi, Norio Karibe, Youichi Iimura, Atsushi Sasaki, Yoshiharu Yamanishi, Hiroo Ogura, Shin Araki, Takashi Kosasa, Atsuhiko Kubota, Michiko Kosasa, Kiyomi Yamatsu: Cyclic amine compounds with activity against acetylcholinesterase. Eisai, Flynn Thiel Boutell & Tanis, January 23, 1990: US04895841 (111 worldwide citation)

A cyclic amine compound is defined by the formula: ##STR1## in which J is indanyl, indanonyl, indenyl, indenonyl, indanedionyl, tetralonyl, benzosuberonyl, indanolyl or a divalent group thereof, K is phenyl, an arylalkyl or cynnamyl, B is --(CHR22)r--, R22 being H or methyl, --CO--(CHR22)r--, .dbd.( ...


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Hachiro Sugimoto, Yutaka Tsuchiya, Kunizou Higurashi, Norio Karibe, Youichi Iimura, Atsushi Sasaki, Yoshiharu Yamanishi, Hiroo Ogura, Shin Araki, Takashi Kosasa, Atsuhiko Kubota, Michiko Kosasa, Kiyomi Yamatsu: Cyclic amine compounds and pharmaceutical use. Eisai, Flynn Thiel Boutell & Tanis, March 31, 1992: US05100901 (53 worldwide citation)

A cyclic amine compound is defined by the formula: ##STR1## in which J is indanyl, indanonyl, indenyl, indenonyl, indanedionyl, tetralonyl, benzosuberonyl, indanolyl or a divalent group thereof, K is phenyl, an arylalkyl or cynnamyl, B is --(CHR22) r--, R22 being H or methyl, --CO-- (CHR22)r--, .dbd ...


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Gray Julian A, Yoshiharu Yamanishi, Nobuyuki Mori, Fields Scott: Dihydropyridine compounds for neurodegenerative diseases and dementia. Eisai, Gray Julian A, Yoshiharu Yamanishi, Nobuyuki Mori, Fields Scott, GRIEFF Edward D, October 12, 2006: WO/2006/107859 (25 worldwide citation)

The invention provides methods for treating and/or preventing cognitive impairments, dementia, or neurodegenerative diseases and disorders (e.g., Alzheimer's disease, Parkinson's disease, Huntington's disease, amyotrophic lateral sclerosis) in patients by administering therapeutically effective amou ...


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Hachiro Sugimoto, Takaharu Nakamura, Yutaka Tsuchiya, Hiroyuki Sugumi, Kunizou Higurashi, Norio Karibe, Yoshiharu Yamanishi, Hiroo Ogura, Shin Araki, Atsuhiko Kubota, Michiko Ohtake, Kiyomi Tamatsu: Piperidine derivative and pharmaceutical composition. Eisai, Flynn Thiel Boutell & Tanis, July 18, 1989: US04849431 (17 worldwide citation)

A novel piperidine derivative or a pharmacologically acceptable salt thereof is used in the treatment and prevention of dementias and sequelae of cerebrovascular diseases. These compounds also exhibit strong, highly selective anticholinesterase activity and may be orally or parenterally administered ...


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Hachiro Sugimoto, Takaharu Nakamura, Yutaka Tsuchiya, Hiroyuki Sugumi, Kunizou Higurashi, Norio Karibe, Yoshiharu Yamanishi, Hiroo Ogura, Shin Araki, Atsuhiko Kubota, Michiko Ohtake, Kiyomi Tamatsu: Piperdine derivative and pharmaceutical composition. Eisai, Flynn Thiel Boutell & Tanis, June 2, 1992: US05118684 (16 worldwide citation)

A novel piperidine derivative is defined by the formula (I), including a slt thereof, ##STR1## wherein R.sup.1 denotes a univalent group derived from one selected among substituted or unsubstituted benzene, pyridine, pyrazine, indole, anthraquinone, quinoline, substituted or unsubstituted phthalimid ...


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Kozo Akasaka, Masahiro Yonaga, Akiharu Kajiwara, Kunizo Higurashi, Kohshi Ueno, Satoshi Nagato, Makoto Komatsu, Noritaka Kitazawa, Masataka Ueno, Yoshiharu Yamanishi, Yoshimasa Machida, Yuki Komatsu, Naoyuki Shimomura, Norio Minami, Toshikazu Shimizu, Atsushi Nagaoka: Biphenyl derivatives. Eisai, Birch Stewart Kolasch & Birch, December 15, 1998: US05849912 (13 worldwide citation)

A biphenyl derivative represented by the following formula (I) or a pharmacologically acceptable salt thereof: ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, and R.sup.5 are defined in the specification, is clinically useful for treating and ameliorating mental disorders such as cerebrovascula ...


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Hachiro Sugimoto, Takaharu Nakamura, Yutaka Tsuchiya, Hiroyuki Sugumi, Kunizou Higurashi, Norio Karibe, Yoshiharu Yamanishi, Hiroo Ogura, Shin Araki, Atsuhiko Kubota, Michiko Ohtake, Kiyomi Tamatsu: Piperidine derivative and pharmaceutical composition. Eisai, Flynn Thiel Boutell & Tanis, July 17, 1990: US04942169 (13 worldwide citation)

A novel piperidine derivative is defined by the formula (I), including a salt thereof, ##STR1## wherein R.sup.1 denotes a univalent group derived from one selected among substituted or unsubstituted benzene, pyridine, pyrazine, indole, anthraquinone, quinoline, substituted or unsubstituted phthalimi ...


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Hachiro Sugimoto, Masahiro Yonaga, Norio Karibe, Youichi Iimura, Satoshi Nagato, Atsushi Sasaki, Yoshiharu Yamanishi, Hiroo Ogura, Takashi Kosasa, Kumi Uchikoshi, Kiyomi Yamatsu: Cyclic amide derivatives. Eisai, Birch Stewart Kolasch & Birch, March 8, 1994: US05292735 (8 worldwide citation)

The cyclic amide derivative is defined by the formula (I) or a salt thereof: R1--(CH2)n-z in which R1 is a group derived from a cyclic amide compound, substituted or unsubstituted, n is zero or an integer of 1 to 10 and Z is ##STR1## R2 being an aryl, a substituted aryl, a cycloalkyl or a heterocycl ...


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Hachiro Sugimoto, Takaharu Nakamura, Yutaka Tsuchiya, Hiroyuki Sugumi, Kunizou Higurashi, Norio Karibe, Yoshiharu Yamanishi, Hiroo Ogura, Shin Araki, Atsuhiko Kubota, Michiko Ohtake, Kiyomi Tamatsu: Piperidine derivative and pharmaceutical composition. Eisai, Flynn Thiel Boutell & Tanis, June 13, 1995: US05424318 (5 worldwide citation)

A novel piperidine derivative is defined by the formula (I), including a salt thereof, ##STR1## wherein R.sup.1 denotes anthraquinone, X denotes a group of the formula --(CH.sub.2).sub.n --, a group of the formula --O(CH.sub.2).sub.n --, a group of the formula --S(CH.sub.2).sub.n --, a group of the ...


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