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US4526719A Expired / Lapsed US ⏱️ 0.0 years remaining

Benzoquinone derivatives and production thereof

Assignee: Takeda Pharmaceutical Co Ltd
•
Filing: 1983-04-12
•
Granted: 1985-07-02
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Expires: 2003-04-12
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Abstract

Abstract A novel benzoquinone derivative of the general formula: ##STR1## [wherein R 1 and R 2 are the same or different and each is methyl or methoxy; n is an integer of 0 to 21; m is 0 or 1, Z is a group of the formula: ##STR2## (wherein R 3 and R 4 are the same or different and each is hydrogen or an alkyl group which may optionally be substituted or, R 3 and R 4 together with the adjacent nitrogen atom form a morpholino group), a group of the formula: --COR 5 (wherein R 5 is an α-amino acid residue or a substituted or unsubstituted glucosamine residue), a group of the formula: ##STR3## (wherein R 6 is a divalent hydrocarbon group of 1 to 3 carbon atoms), a group of the formula: ##STR4## (wherein R 6 has the same meaning as defined above) or a group of the formula: --CH═CH l --COR 7 (wherein l is an integer of 1 to 4 and R 7 is hydroxy, methoxy or methyl)] has protocollagen-proline hydroxylase inhibiting activity, collagen biosynthesis inhibiting activity and 5-lipoxygenase suppressant activity, and is useful for the prevention and treatment of such diseases as pulmonary fibrosis, hepatocirrhosis, nephrosclerosis, arteriosclerosis, scleroderma, myelofibrosis and chronic arthritis or for the prevention and treatment of asthma, allergic rhinitis, urticaria, etc.

Inventors

  • 👤 Shinji Terao
  • 👤 Hisayoshi Okazaki
  • 👤 Isuke Imada

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 01:35
CPC Classifications
C; C07; C07C; C07C59/00; C07C59/01; C07C59/08; C07D; C07D295/00; C07D295/04; C07D295/08; C07D295/096; A; A61; A61P; A61P1/00; A61P1/16; A61P17/00; A61P29/00; A61P43/00; A61P9/00; A61P9/10; C07C225/00; C07C225/24; C07C231/00; C07C231/02; C07C323/00; C07C323/50; C07C323/51; C07C323/57; C07C323/58; C07C43/00; C07C43/30; C07C43/315; C07C47/00; C07C47/20; C07C47/277; C07C47/52; C07C47/575; C07C50/00; C07C50/38; C07C59/40; C07C59/58; C07C59/64; C07C59/66; C07C59/68; C07C66/00; C07D207/00; C07D207/02; C07D207/04; C07D207/10; C07D207/16; C07D295/10; C07D295/112; C07D295/116; C07H; C07H13/00; C07H13/02; C07H13/04; C07C2601/00; C07C2601/12; C07C2601/16; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/55

Claims Analysis

Total Claims: 7
Claim 1
Independent Claim 59 words
A compound of the formula: ##STR47## wherein R 1 and R 2 are the same or different and each is methyl or methoxy; n is an integer of 0 to 21; m is 0 or 1 and Z is a group of the formula ##STR48## wherein R 6 is a divalent hydrocarbon group of 1 to 3 carbon atoms.
Claim 2
Dependent Claim 59 words
A compound of the formula: ##STR47## wherein R 1 and R 2 are the same or different and each is methyl or methoxy; n is an integer of 0 to 21; m is 0 or 1 and Z is a group of the formula ##STR48## wherein R 6 is a divalent hydrocarbon group of 1 to 3 carbon atoms.
Claim 3
Dependent Claim 11 words
A compound as claimed in claim 1, wherein m is 0.
Claim 4
Dependent Claim 11 words
A compound as claimed in claim 1, wherein n is 0.
Claim 5
Dependent Claim 17 words
A compound as claimed in claim 1, wherein each of R 1 and R 2 is methoxy.
Claim 6
Dependent Claim 24 words
A compound as claimed in claim 1, wherein n is 0, m is 0 and each of R 1 and R 2 is methoxy.
Claim 7
Dependent Claim 13 words
A compound as claimed in claim 1, wherein the compound is 4-[4-{6-(2,3-dimethoxy-5-methyl-1,4-benzoquinonyl)}-2-methyl-2-butenoxy]cinnamic acid.

References Cited (Backward Citations)

US4271083A Cited
US4271083B1 Cited
EP0021841A2 Cited
EP0031727A2 Cited
EP0038674A1 Cited
EP0058057A1 Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1988-07-01 1988-12-31 1989-07-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1992-07-01 1992-12-31 1993-07-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1996-07-01 1996-12-31 1997-07-02 $7700.00 Window Closed / Lapsed

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