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US Patent 4939147 - Substituted 3,4-dihydroxy phenylethylamino compounds
US Patent Issued on July 3, 1990
Estimated Patent Expiration Date:
August 2, 2009Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
Estimated Patent Expiration Date:
August 2, 2009Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.AbstractCompounds of the formula, ##STR1## in which one of R30 and R40 represents a substituted phenylalkyl group and the other of R30 and R40 represents hydrogen or halogen, and R50 and R60 each independently represent hydrogen or alkyl.The compounds of the invention are useful for the treatment or prophylaxis of renal failure or cardiovascular disease. | InventorsAssigneeApplicationNo. 388383 filed on 08/02/1989US Classes:514/603, Nitrogen in Q514/616, Plural carboxamide groups or plural C=O groups bonded directly to the same nitrogen514/649, Amino nitrogen attached to aryl ring or aryl ring system by an acyclic carbon or acyclic chain564/82, Plural sulfonamide groups containing or containing plural sulfonyls bonded directly to the same nitrogen564/85, Sulfur in substituent Q564/86, Nitrogen in substituent Q564/87, Nitro or nitroso in substituent Q564/89, Hydroxy, bonded directly to carbon, or ether in substituent Q (H of -OH may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal)564/152, Plural carboxamide groups containing or containing plural carbonyls bonded directly to the same nitrogen564/153, Three or more carboxamide groups564/154, Sulfur containing564/155, Benzene ring containing564/157, Amino nitrogen, not bonded directly to carbonyl, containing564/158, Hydroxy, bonded directly to carbon, or ether containing (H of -OH may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal)564/162, Sulfur in substituent Q564/165, Hydroxy, bonded directly to carbon, or ether in substituent Q (H of -OH may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal)564/166, Nitro in substituent Q564/280, Phenol or thiophenol addition salts564/305, Benzene ring containing564/336Amino nitrogen attached to aryl ring or ring system by an acyclic carbon or chainField of Search564/305, Benzene ring containing564/280, Phenol or thiophenol addition salts564/165, Hydroxy, bonded directly to carbon, or ether in substituent Q (H of -OH may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal)564/82, Plural sulfonamide groups containing or containing plural sulfonyls bonded directly to the same nitrogen564/89, Hydroxy, bonded directly to carbon, or ether in substituent Q (H of -OH may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal)564/85, Sulfur in substituent Q564/86, Nitrogen in substituent Q564/87, Nitro or nitroso in substituent Q564/152, Plural carboxamide groups containing or containing plural carbonyls bonded directly to the same nitrogen564/153, Three or more carboxamide groups564/154, Sulfur containing564/155, Benzene ring containing564/157, Amino nitrogen, not bonded directly to carbonyl, containing564/158, Hydroxy, bonded directly to carbon, or ether containing (H of -OH may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal)564/162, Sulfur in substituent Q564/166, Nitro in substituent Q514/603, Nitrogen in Q514/616, Plural carboxamide groups or plural C=O groups bonded directly to the same nitrogen514/644Amine oxidesExaminersPrimary: Raymond, Richard L.Assistant: Covington, Raymond Attorney, Agent or FirmUS Patent References3408396Foreign Patent References
International ClassesA01N 037/30C07C 087/28 Foreign Application Priority Data1987-05-19 GB |
