Yamanouchi Pharmaceutical Company Ltd.

Shiro Tachikawa

Masuo Murakami

Kozo Takahashi

Kunihiro Niigata

Shinji Usuda

Yoshihisa Nozaki

Kiyoshi Murase

Toichi Takenaka

Yasufumi Hirata

Masaaki Takeda

Mutsuo Takashima

Sumio Iwanami

Osamu Hasegawa

Takashi Fujikura

Tadao Kojima

Minoru Yamamoto

Soichi Kagami

Hiroo Maeno

Yuji Kawashima

A memory enhancer comprising a composition containing 2-(7-indenyloxymethyl)-morpholine or an acid addition salt thereof as the effective component.

Memory enhancer containing 2-(7-indenyloxymethyl-morpholine

##STR1## wherein R represents a hydrogen atom or a lower alkyl group; X represents a lower alkoxy group; Y represents a hydrogen atom, an amino group, or mono- or di-lower alkylamino group; Z represents a halogen atom, a lower alkoxy group, a lower alkylthio group, a lower alkylsulfinyl group, a lower alkylsulfonyl group, a sulfamoyl group, or a lower alkylsulfamoyl group; said Y and Z may combine to form --N.dbd.N--NH--; W represents a group shown by the formula ##STR2## (wherein A represents a phenyl group, a cyclohexyl group, a furyl group, or a pyridyl group; R.sub.1, R.sub.2, and R.sub.4, which may be the same or different, each represents a hydrogen atom, a lower alkyl group, or a phenyl group; R.sub.3 represents a lower alkyl group, a phenyl lower alkyl group, or a di-lower alkylamino lower alkyl group; R.sub.5, R.sub.6, and R.sub.7, which may be the same or different, each represents a hydrogen atom, a halogen atom, a lower alkoxy group, a lower alkylthio group, a lower alkylsulfinyl group, a lower alkylsulfonyl group, or a trifluoromethyl group; R.sub.8 represents a lower alkyl group; and n represents 1 or 2), a 1-ethyl-5-phenyl-2-pyrrolidinylmethyl group, a 1-ethyl-2-isoindolinylmethyl group, a 2-ethyl-1,2,3,4-tetrahydro-4-isoquinolyl group, a 2-(2-phenylpyrrolidino)ethyl group, a 2-(2-isoindolinyl)ethyl group, or a 2-(1,2,3,4-tetrahydro-2-isoquinolyl)ethyl group and the pharmaceutically acceptable nontoxic salts thereof. The compounds of this invention are strong central nervous system depressants, in particular strong antipsychotics.

N-1-Benzyl-3-pyrrolidinyl-4-dimethylamino benzamide derivatives

Novel indene derivatives represented by the general formula ##STR1## wherein R represents lower alkyl, phenylloweralkyl or lower cycloalkyl, and acid addition salts thereof useful as .beta.-receptor antagonists.

4-(Alkylamino-2-hydroxypropoxy)-indenes and method of use

2-(Indenyloxymethyl) morpholine derivatives are disclosed. These derivatives are excellent in methamphetamine stereotyped increasing and antireserpine activities which are useful as antidepression agents.

2-(Indenyloxymethyl) morpholine derivatives

##STR1## wherein R represents a hydrogen atom or a lower alkyl group; X represents a lower alkoxy group; Y represents a hydrogen atom, an amino group, or a mono- or di-lower alkylamino group; Z represents a halogen atom, a lower alkoxy group, a lower alkylthio group, a lower alkylsulfinyl group, a lower alkylsulfonyl group, a sulfamoyl group, or a lower alkylsulfamoyl group; said Y and Z may combine to form --N.dbd.N--NH--; W represents a group shown by the formula ##STR2## (wherein A represents a phenyl group, a cyclohexyl group, a furyl group, or a pyridyl group; R.sub.1, R.sub.2, and R.sub.4, which may be the same or different, each represents a hydrogen atom, a lower alkyl group, or a phenyl group; R.sub.3 represents a lower alkyl group, a phenyl lower alkyl group, or a di-lower alkylamino lower alkyl group; R.sub.5, R.sub.6, and R.sub.7, which may be the same or different, each represents a hydrogen atom, a halogen atom, a lower alkoxy group, a lower alkylthio group, a lower alkylsulfinyl group, a lower alkylsulfonyl group, or a trifluoromethyl group; R.sub.8 represents a lower alkyl group; and n represents 1 or 2), a 1-ethyl-5-phenyl-2-pyrrolidinylmethyl group, a 1-ethyl-2-isoindolinylmethyl group, a 2-ethyl-1,2,3,4-tetrahydro-4-isoquinolyl group, a 2-(2-phenylpyrrolidino)ethyl group, a 2-(2-isoindolinyl)ethyl group, or a 2-(1,2,3,4-tetrahydro-2-isoquinolyl)-ethyl group and the pharmaceutically acceptable nontoxic salts thereof. The compounds of this invention are strong central nervous system depressants, in particular strong antipsychotics.

Pyrrolidinyl and piperidinyl benzamide derivatives

4-(3-Isopropylamino-2-hydroxypropoxy indene

Growing community of inventors

Omiya, Japan

Shiro Tachikawa