Patent US4298739A successfully refreshed from Google Patents.
← Back to Patent Explorer
US4298739A Expired / Lapsed US ⏱️ 0.0 years remaining

Novel carbostyril derivatives

Assignee: Otsuka Pharmaceutical Co Ltd
•
Filing: 1980-04-21
•
Granted: 1981-11-03
•
Expires: 2000-04-21
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract Novel carbostyril derivatives having platelet aggregation inhibitory action, antiinflamatory action, antiulcer action, vasodilatory action and phosphodiesterase inhibitory action and are useful for preventing or curing thrombus, arteriosclerosis, hypertension, asthma and other like diseases, and also useful as an antiinflamatory or anti-ulcer agent, represented by the formula ##STR1## wherein R 1 is hydrogen, C 1-4 alkyl, C 2-4 alkenyl, phenyl-C 1-4 alkyl-; R 2 is hydrogen, a halogen atom, hydroxy, phenyl-C 1-4 alkoxy; R 3 is hydrogen, hydroxy, C 1-4 alkyl; R 4 is C 3-8 cycloalkyl, substituted or unsubstituted phenyl, C 3-8 cycloalkyl-C 1-4 alkyl, 2-(3,4-dimethoxyphenyl)-ethyl, R 5 is hydrogen, C 1-8 alkyl, C 2-4 alkenyl, phenyl, C 3-8 cycloalkyl, phenyl-C 1-4 alkyl, C 3-8 cycloalkyl-C 1-4 alkyl, m is an integer of 1 - 3, l and n which may be same or different, and are respectively 0 or an integer of 1 - 7 and the sum of l and n is not exceeding 7, the carbon-carbon bond at 3- and 4-positions in the carbostyril skelton is either single or double bond.

Inventors

  • 👤 Takao Nishi
  • 👤 Hiraki Ueda
  • 👤 Kazuyuki Nakagawa

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 04:47
CPC Classifications
C; C07; C07D; C07D215/00; C07D215/02; C07D215/16; C07D215/20; C07D215/22; C07D215/227; C07D215/24; C07D215/26

Claims Analysis

Total Claims: 49
Claim 1
Independent Claim 190 words
A compound of the formula, ##STR586## wherein R 1 is hydrogen, C 1-4 alkyl, C 2-4 alkenyl or phenyl C 1-4 alkyl; R 2 is hydrogen, halogen, hydroxy or phenyl C 1-4 alkoxy; R 3 is hydrogen, hydroxy or C 1-4 alkyl; R 4 is phenyl, C 3-8 cycloalkyl, C 3-8 cycloalkyl C 1-4 alkyl or 2-(3,4-dimethoxyphenyl)ethyl or phenyl or C 3-8 cycloalkyl substituted by no more than two groups selected from C 1-4 alkyl, C 1-4 alkoxy, halogen, C 1-4 alkanoylamino, C 1-4 alkanoyloxy, C 1-4 alkoxycarbonyl, C 1-4 alkanoyl, C 1-4 alkylcarbamoyl, C 1-4 alkylamine, nitro, carboxy, hydroxyl, amninosulfonyl, carbamoyl, and amino; R 5 is hydrogen, C 1-8 alkyl, C 2-4 alkenyl, phenyl, C 3-8 cycloalkyl, phenyl C 1-4 alkyl or C 3-8 cycloalkyl C 1-4 alkyl or sustituted phenyl C 1-4 alkyl substituted in the phenyl group by no more than two C 1- 4 alkoxy groups; m is an integer of 1 to 3; and l and n, which can be the same or different, are 0 or an integer of 1 to 7 such that the sum of l and n does not exceed 7.
Claim 2
Dependent Claim 190 words
A compound of the formula, ##STR586## wherein R 1 is hydrogen, C 1-4 alkyl, C 2-4 alkenyl or phenyl C 1-4 alkyl; R 2 is hydrogen, halogen, hydroxy or phenyl C 1-4 alkoxy; R 3 is hydrogen, hydroxy or C 1-4 alkyl; R 4 is phenyl, C 3-8 cycloalkyl, C 3-8 cycloalkyl C 1-4 alkyl or 2-(3,4-dimethoxyphenyl)ethyl or phenyl or C 3-8 cycloalkyl substituted by no more than two groups selected from C 1-4 alkyl, C 1-4 alkoxy, halogen, C 1-4 alkanoylamino, C 1-4 alkanoyloxy, C 1-4 alkoxycarbonyl, C 1-4 alkanoyl, C 1-4 alkylcarbamoyl, C 1-4 alkylamine, nitro, carboxy, hydroxyl, amninosulfonyl, carbamoyl, and amino; R 5 is hydrogen, C 1-8 alkyl, C 2-4 alkenyl, phenyl, C 3-8 cycloalkyl, phenyl C 1-4 alkyl or C 3-8 cycloalkyl C 1-4 alkyl or sustituted phenyl C 1-4 alkyl substituted in the phenyl group by no more than two C 1- 4 alkoxy groups; m is an integer of 1 to 3; and l and n, which can be the same or different, are 0 or an integer of 1 to 7 such that the sum of l and n does not exceed 7.
Claim 3
Dependent Claim 19 words
A compound according to claim 1, wherein R 4 is a substituted or an unsubstituted C 3-8 cycloalkyl group.
Claim 4
Dependent Claim 13 words
A compound according to claim 2, wherein R 5 is C 1-8 alkyl.
Claim 5
Dependent Claim 13 words
A compound according to claim 2, wherein R 5 is C 2-4 alkenyl.
Claim 6
Dependent Claim 11 words
A compound according to claim 2, wherein R 5 is phenyl.
Claim 7
Dependent Claim 13 words
A compound according to claim 2, wherein R 5 is C 3-8 cycloalkyl.
Claim 8
Dependent Claim 20 words
A compound according to claim 2, wherein R 5 is a substituted or an unsubstituted phenyl C 1-4 alkyl group.
Claim 9
Dependent Claim 16 words
A compound according to claim 2, wherein R 5 is C 3-8 cycloalkyl C 1-4 alkyl.
Claim 10
Dependent Claim 11 words
A compound according to claim 2, wherein R 5 is hydrogen.
Claim 11
Dependent Claim 11 words
A compound according to claim 2, wherein R 1 is hydrogen.
Claim 12
Dependent Claim 11 words
A compound according to claim 2, wherein R 2 is hydrogen.
Claim 13
Dependent Claim 11 words
A compound according to claim 2, wherein R 3 is hydrogen.
Claim 14
Dependent Claim 10 words
A compound according to claim 2, of the formula (1).
Claim 15
Dependent Claim 10 words
A compound according to claim 2, of the formula, ##STR587##
Claim 16
Dependent Claim 10 words
A compound according to claim 14, of the formula (3).
Claim 17
Dependent Claim 10 words
A compound according to claim 14, of the formula (4).
Claim 18
Dependent Claim 10 words
A compound according to claim 2, of the formula, ##STR588##
Claim 19
Dependent Claim 10 words
A compound according to claim 17, of the formula (5).
Claim 20
Dependent Claim 10 words
A compound according to claim 17, of the formula (6).
Claim 21
Dependent Claim 10 words
A compound according to claim 3, of the formula, ##STR589##
Claim 22
Dependent Claim 19 words
A compound according to claim 20, wherein each of R 1 , R 2 and R 3 is hydrogen.
Claim 23
Dependent Claim 10 words
A compound according to claim 21, of the formula (7).
Claim 24
Dependent Claim 1 words
6-[3-(N-Methyl-N-cyclohexylaminocarbonyl)propoxy]-carbostyril.
Claim 25
Dependent Claim 1 words
6-[3-(N-Methyl-N-cyclohexylaminocarbonyl)propoxy]-carbostyril.
Claim 26
Dependent Claim 1 words
6-[3-(N-Ethyl-N-cyclohexylaminocarbonyl)propoxy]-carbostyril.
Claim 27
Dependent Claim 1 words
6-[3-(N-Ethyl-N-cyclohexylaminocarbonyl)propoxy]-carbostyril.
Claim 28
Dependent Claim 1 words
6-[3-(N-Butyl-N-cyclohexylaminocarbonyl)propoxy]-carbostyril.
Claim 29
Dependent Claim 1 words
6-[3-(N-Butyl-N-cyclohexylaminocarbonyl)propoxy]-carbostyril.
Claim 30
Dependent Claim 1 words
6-[3-(N-Ethyl-N-cyclopropylaminocarbonyl)-propoxy]carbostyril.
Claim 31
Dependent Claim 1 words
6-[3-(N-Ethyl-N-cyclopropylaminocarbonyl)-propoxy]carbostyril.
Claim 32
Dependent Claim 1 words
6-[3-(N-Ethyl-N-cyclopentylaminocarbonyl)-propoxy]carbostyril.
Claim 33
Dependent Claim 1 words
6-[3-(N-Ethyl-N-cyclopentylaminocarbonyl)-propoxy]carbostyril.
Claim 34
Dependent Claim 1 words
6-[3-(N-Ethyl-N-cycloheptylaminocarbonyl)-propoxy]carbostyril.
Claim 35
Dependent Claim 1 words
6-[3-(N-Ethyl-N-cycloheptylaminocarbonyl)-propoxy]carbostyril.
Claim 36
Dependent Claim 1 words
6-[3-(N-Ethyl-N-cyclooctylaminocarbonyl)propoxy]-carbostyril.
Claim 37
Dependent Claim 1 words
6-[3-(N-Ethyl-N-cyclooctylaminocarbonyl)propoxy]-carbostyril.
Claim 38
Dependent Claim 1 words
6-[3-(N-Pentyl-N-cyclohexylaminocarbonyl)-propoxy]carbostyril.
Claim 39
Dependent Claim 1 words
6-[3-(N-Pentyl-N-cyclohexylaminocarbonyl)-propoxy]carbostyril.
Claim 40
Dependent Claim 1 words
6-[3-(N-Hexyl-N-cyclohexylaminocarbonyl)propoxy]-carbostyril.
Claim 41
Dependent Claim 1 words
6-[3-(N-Hexyl-N-cyclohexylaminocarbonyl)propoxy]-carbostyril.
Claim 42
Dependent Claim 1 words
6-[3-(N-Octyl-N-cyclohexylaminocarbonyl)propoxy]-carbostyril.
Claim 43
Dependent Claim 1 words
6-[3-(N-Octyl-N-cyclohexylaminocarbonyl)propoxy]-carbostyril.
Claim 44
Dependent Claim 1 words
6-[3-(N-Heptyl-N-cyclohexylaminocarbonyl)-propoxy]carbostyril.
Claim 45
Dependent Claim 1 words
6-[3-(N-Heptyl-N-cyclohexylaminocarbonyl)-propoxy]carbostyril.
Claim 46
Dependent Claim 1 words
6-[3-(N-Methyl-N-cyclohexylaminocarbonyl)-2-methylpropoxy]carbostyril.
Claim 47
Dependent Claim 1 words
6-[3-(N-Methyl-N-cyclohexylaminocarbonyl)-2-methylpropoxy]carbostyril.
Claim 48
Dependent Claim 1 words
6-{3-[N-(2-3',4'-Dimethoxyphenylethyl)-N-cyclohexylaminocarbonyl]propoxy}carbostyril.
Claim 49
Dependent Claim 1 words
6-{3-[N-(2-3',4'-Dimethoxyphenylethyl)-N-cyclohexylaminocarbonyl]propoxy}carbostyril.

References Cited (Backward Citations)

US3919239A Cited
US3953456A Cited
JPS49101387A Cited
US4022784A Cited
US4070470A Cited
JPS54119478A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1984-11-02 1985-05-04 1985-11-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1988-11-02 1989-05-04 1989-11-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1992-11-02 1993-05-04 1993-11-03 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag