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US4493837A Expired / Lapsed US ⏱️ 0.0 years remaining

Theobromine derivatives

Assignee: Eisai Co Ltd
•
Filing: 1982-10-20
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Granted: 1985-01-15
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Expires: 2002-10-20
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Abstract

Abstract There are disclosed theobromine derivatives wherein theobromine is substituted at the 1 position with substituted piperazino, homopiperazino and piperidino groups, and pharmacologically acceptable acid addition salts thereof. The compounds exhibit vasodilating and psychotropic and analgesic activities.

Inventors

  • 👤 Hachiro Sugimoto
  • 👤 Sachiyuki Hamano
  • 👤 Tadao Shoji
  • 👤 Takeru Kaneko
  • 👤 Takeshi Uzuo

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 14:49
CPC Classifications
C; C07; C07D; C07D491/00; C07D491/02; C07D491/10; A; A61; A61P; A61P25/00; A61P9/00; A61P9/08; C07D473/00; C07D473/02; C07D473/04; C07D473/06; C07D473/10

Claims Analysis

Total Claims: 20
Claim 1
Independent Claim 140 words
A compound having the formula ##STR103## wherein Z is a member selected from the group consisting of A. a group having the formula ##STR104## wherein m is the integer 2 or the integer 3, and R 1 is pyridyl or a group having the formula ##STR105## wherein X 1 and X 2 , which can be the same or different, each is hydrogen, lower alkyl, lower alkoxy, trifluoromethyl or halogen, and a is an integer of 0 to 3; B. a group having the formula ##STR106## C. a group having the formula ##STR107## D. a group having the formula ##STR108## and E. a group having the formula ##STR109## and n is an integer of 2 to 8, with the proviso that when Z is ##STR110## n is an integer of 3 to 8, and pharmaceutically acceptable acid addition salts thereof.
Claim 2
Dependent Claim 140 words
A compound having the formula ##STR103## wherein Z is a member selected from the group consisting of A. a group having the formula ##STR104## wherein m is the integer 2 or the integer 3, and R 1 is pyridyl or a group having the formula ##STR105## wherein X 1 and X 2 , which can be the same or different, each is hydrogen, lower alkyl, lower alkoxy, trifluoromethyl or halogen, and a is an integer of 0 to 3; B. a group having the formula ##STR106## C. a group having the formula ##STR107## D. a group having the formula ##STR108## and E. a group having the formula ##STR109## and n is an integer of 2 to 8, with the proviso that when Z is ##STR110## n is an integer of 3 to 8, and pharmaceutically acceptable acid addition salts thereof.
Claim 3
Dependent Claim 103 words
The compound as set forth in claim 1 having the formula ##STR111## wherein m is the integer 2 or the integer 3 and R 1 is pyridyl or a group having the formula ##STR112## wherein X 1 and X 2 , which can be the same or different, each is hydrogen, lower alkyl, lower alkoxy, trifluoromethyl or halogen, and a is an integer of 0 to 3; and n is an integer of 2 to 8, with the proviso that when m is 2 and R 1 is the group expressed by the formula ##STR113## n is an integer of 3 to 8.
Claim 4
Dependent Claim 12 words
The compound as set forth in claim 1 having the formula ##STR114##
Claim 5
Dependent Claim 12 words
The compound as set forth in claim 1 having the formula ##STR115##
Claim 6
Dependent Claim 12 words
The compound as set forth in claim 1 having the formula ##STR116##
Claim 7
Dependent Claim 12 words
The compound as set forth in claim 1 having the formula ##STR117##
Claim 8
Dependent Claim 12 words
The compound as set forth in claim 1 having the formula ##STR118##
Claim 9
Dependent Claim 12 words
The compound as set forth in claim 1 having the formula ##STR119##
Claim 10
Dependent Claim 26 words
A pharmaceutical composition comprising a therapeutically effective amount of a compound as claimed in claim 1, for vasodilating purposes, in combination with a pharmacologically acceptable carrier.
Claim 11
Dependent Claim 26 words
A pharmaceutical composition comprising a therapeutically effective amount of a compound as claimed in claim 1, for tranquilizing purposes, in combination with a pharmacologically acceptable carrier.
Claim 12
Dependent Claim 25 words
A method for treating a subject suffering from blood circulatory insufficiency which comprises administering to the subject a pharmaceutical composition as claimed in claim 9.
Claim 13
Dependent Claim 24 words
A method for treating a subject suffering from psychotropic illness which comprises administering to the subject a pharmaceutical composition as claimed in claim 10.
Claim 14
Dependent Claim 26 words
A pharmaceutical composition comprising a therapeutically effective amount of a compound as claimed in claim 1, for analogesic purposes, in combination with a pharmacologically acceptable carrier.
Claim 15
Dependent Claim 24 words
A method for treating a subject suffering from a pain which comprises administering to the subject a pharmaceutical composition as claimed in claim 13.
Claim 16
Dependent Claim 66 words
The compound having the formula ##STR120## wherein X 1 and X 2 , which are the same or different, each is hydrogen, lower alkyl, lower alkoxy, trifluoromethyl or halogen, and n is an integer of 2 to 8, with the proviso that when X 1 and X 2 are both hydrogen, n is an integer of 3 to 8, and pharmacologically acceptable acid addition salts thereof.
Claim 17
Dependent Claim 66 words
The compound having the formula ##STR120## wherein X 1 and X 2 , which are the same or different, each is hydrogen, lower alkyl, lower alkoxy, trifluoromethyl or halogen, and n is an integer of 2 to 8, with the proviso that when X 1 and X 2 are both hydrogen, n is an integer of 3 to 8, and pharmacologically acceptable acid addition salts thereof.
Claim 18
Dependent Claim 19 words
The compound as set forth in claim 15 having the formula ##STR121## and pharmacologically acceptable acid addition salts thereof.
Claim 19
Dependent Claim 19 words
The compound as set forth in claim 15 having the formula ##STR122## and pharmacologically acceptable acid addition salts thereof.
Claim 20
Dependent Claim 21 words
The compound as set forth in claim 1 or claim 15 wherein n is an integer of 4, 5 or 6.

References Cited (Backward Citations)

US3459753A Cited
US3996361A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1988-01-15 1988-07-16 1989-01-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1992-01-15 1992-07-16 1993-01-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1996-01-15 1996-07-16 1997-01-15 $7700.00 Window Closed / Lapsed

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