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US4609661A Expired / Lapsed US ⏱️ 0.0 years remaining

Substituted 9-(1-O- or 3-O-monosubstituted or 1,3-di-O-substituted propoxymethyl)purines as antiviral agents

Assignee: Syntex USA LLC
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Filing: 1985-06-13
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Granted: 1986-09-02
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Expires: 2005-06-13
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Abstract

Abstract Compounds useful as antiviral agents are defined by the following formula: <IMAGE> (I) wherein R1 is hydrogen, -C(Y)OR7 or -C(O)NHR7 wherein R7 is alkyl of one to twelve carbon atoms, alkenyl of two to twelve carbon atoms, cyclopentyl, cyclohexyl, phenyl or benzyl; R2 is -C(Y)OR7 or -C(O)NHR7 wherein R7 is as defined above; Y is oxygen or sulfur; R3 is hydrogen, halo, thio, lower alkylthio of one to six carbon atoms, azido, NR9R10 wherein R9 and R10 are independently hydrogen or lower alkyl of one to six carbon atoms or -NHC(O)R8 wherein R8 is hydrogen, alkyl of one to nineteen carbon atoms or 1-adamantyl; and (a) R6 is hydrogen, halo, lower alkoxy of one to six carbon atoms, azido, thio, lower alkylthio of one to six carbon atoms, -NR9R10 wherein R9 and R10 are as defined above or -NHC(O)R8 wherein R8 is as defined above and R4 together with R5 is a bond; or (b) R5 together with R6 is a keto group and R4 is hydrogen.

Inventors

  • 👤 Julien P. H. Verheyden
  • 👤 John C. Martin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 13:14
CPC Classifications
C; C07; C07D; C07D473/00; C07C; C07C43/00; C07C43/02; C07C43/03; C07C43/14; C07C43/17; C07C43/174; C07C43/1745; C07C43/178; C07C43/1785

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 156 words
A compound of the formula ##STR8## wherein W is hydrogen or 1-carbonylimidazole, Wa is 1-carbonylimidazole or wherein W is hydrogen or 1-thiocarbonylimidazole and Wa is 1-thiocarbonylimidazole R 3 is hydrogen, halo, thio, lower alkylthio of one to six carbon atoms, azido, NR 9 R 10 wherein R 9 and R 10 are independently hydrogen or lower alkyl of one to six carbon atoms or --NHC(O)Rhu 8 wherein R 8 is hydrogen, alkyl of one to nineteen carbon atoms or 1-adamantyl; and (a) R 6 is hydrogen, halo, lower alkoxy of one to six carbon atoms, azido, thio, lower alkylthio of one to six carbon atoms, --NR 9 R 10 wherein R 9 and R 10 are as defined above or --NHC(O)R 8 wherein R 8 is as defined above and R 4 together with R 5 is a bond; or (b) R 5 together with R 6 is a keto group and R 4 is hydrogen.
Claim 2
Dependent Claim 156 words
A compound of the formula ##STR8## wherein W is hydrogen or 1-carbonylimidazole, Wa is 1-carbonylimidazole or wherein W is hydrogen or 1-thiocarbonylimidazole and Wa is 1-thiocarbonylimidazole R 3 is hydrogen, halo, thio, lower alkylthio of one to six carbon atoms, azido, NR 9 R 10 wherein R 9 and R 10 are independently hydrogen or lower alkyl of one to six carbon atoms or --NHC(O)Rhu 8 wherein R 8 is hydrogen, alkyl of one to nineteen carbon atoms or 1-adamantyl; and (a) R 6 is hydrogen, halo, lower alkoxy of one to six carbon atoms, azido, thio, lower alkylthio of one to six carbon atoms, --NR 9 R 10 wherein R 9 and R 10 are as defined above or --NHC(O)R 8 wherein R 8 is as defined above and R 4 together with R 5 is a bond; or (b) R 5 together with R 6 is a keto group and R 4 is hydrogen.
Claim 3
Dependent Claim 27 words
A compound of the formula ##STR9## wherein W is hydrogen or 1-carbonylimidazole and Wa is 1-carbonylimidazole or wherein W is hydrogen or 1-thiocarbonylimidazole and Wa is 1-thiocarbonylimidazole.
Claim 4
Dependent Claim 27 words
A compound of the formula ##STR9## wherein W is hydrogen or 1-carbonylimidazole and Wa is 1-carbonylimidazole or wherein W is hydrogen or 1-thiocarbonylimidazole and Wa is 1-thiocarbonylimidazole.
Claim 5
Dependent Claim 15 words
A pharmaceutical composition which comprises a pharmaceutically acceptable carrier and a compound of claim 1.
Claim 6
Dependent Claim 31 words
A method of treating a viral infection in a warm blooded or cold blooded animal having a viral infection which comprises administering an effective amount of a compound of claim 1.

References Cited (Backward Citations)

US4347360A Cited
US4347360B1 Cited
US4451478A Cited
US4556659A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1989-09-01 1990-03-03 1990-09-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1993-09-01 1994-03-03 1994-09-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1997-09-01 1998-03-03 1998-09-02 $7700.00 Window Closed / Lapsed

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