EP0380592A1 - ESTERS DE L'ACIDE 2-OXO-1-SUBSTITUE PYRAZOLO[1,5-a]PYRIMIDINE-6-CARBOXYLIQUE - Google Patents
ESTERS DE L'ACIDE 2-OXO-1-SUBSTITUE PYRAZOLO[1,5-a]PYRIMIDINE-6-CARBOXYLIQUEInfo
- Publication number
- EP0380592A1 EP0380592A1 EP89901760A EP89901760A EP0380592A1 EP 0380592 A1 EP0380592 A1 EP 0380592A1 EP 89901760 A EP89901760 A EP 89901760A EP 89901760 A EP89901760 A EP 89901760A EP 0380592 A1 EP0380592 A1 EP 0380592A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- alkyl
- aryl
- cycloalkyl
- substituted
- piperazinyl
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
- C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
- C07D487/04—Ortho-condensed systems
Definitions
- cardiovascular agents are cardiovascular agents.
- the symbols are as defined below.
- R 1 is R 2 is hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, aryl, or halo substituted alkyl;
- R 3 is hydrogen, alkyl, cycloalkyl, aryl, or halo substituted alkyl;
- R 4 is aryl
- R 5 is hydrogen, alkyl, cycloalkyl, aryl, or arylalkyl and R 6 is hydrogen, alkyl, cycloalkyl, or halo substituted alkyl, or R 5 and R 6 taken together with the nitrogen atom to which they are attached are 1-pyrrolidinyl, 1-piperidinyl, 1-azepinyl, 4-morpholinyl, 4-thiamorpholinyl, 1-piperazinyl, 4-alkyl-1- piperazinyl, 4-arylalkyl-1-piperazinyl, 4-diarylalkyl-1-piperazinyl or 1-pyrrolidinyl, 1-piperidinyl, or 1-azeipinyl substituted with alkyl, alkoxy, alkylthio, halo, trifluoromethyl or hydroxy;
- R 7 is alkyl, cycloalkyl, aryl, or halo substituted alkyl
- Y 1 is cycloalkyl, aryl, hydroxyl, alkoxy, mercapto, alkylthio, , amino, substituted amino, carbamoyl, (substituted
- Y 2 is cycloalkyl, aryl, carbamoyl,
- Y 3 is hydroxyl, alkoxy, a
- alkyl and “alkoxy” refer to both straight and branched chain groups. Those groups having 1 to 8 carbon atoms are preferred.
- halo substituted alkyl refers to alkyl groups (as described above) in which one or more hydrogens have been replaced by chloro, bromo or fluoro groups.
- exemplary groups are trifluoromethyl, which is preferred, pentafluoroethyl, 2,2,2-trichloroethyl, chloromethyl, bromomethyl, etc.
- aryl refers to phenyl and substituted phenyl.
- exemplary substituted phenyl groups are phenyl groups substituted with one, two or three alkyl, alkoxy, alkylthio, halo, nitro cyano, trifluoromethyl, or difluoromethoxy groups.
- alkenyl and alkynyl refer to both straight and branched chain groups. Those groups having 2 to 8 carbon atoms are preferred.
- cycloalkyl refers to those groups having 3, 4, 5, 6 or 7 carbon atoms.
- halo refers to chloro, bromo, fluoro and iodo.
- substituted amino refers to a group of the formula -NZ 1 Z 2 wherein Z 1 is hydrogen, alkyl, or aryl-(CH 2 ) m - and Z 2 is alkyl or aryl-(CH 2 ) m - or Z 1 and Z 2 taken together with the nitrogen atom to which they are attached are 1-pyrrolidinyl, 1-piperidinyl, 1-azepinyl, 4-morpholinyl, 4-thiamorpholinyl, l-piperazinyl, 4-alkyl-1-piperazinyl, 4-arylalkyl-1-piperazinyl, 4-diarylalkyl-1-piperazinyl, or 1-pyrrolidinyl, 1-piperidinyl, or 1-azepinyl substituted with alkyl, alkoxy, alkylthio, halo, trifluoromethyl or hydroxy.
- the compounds of formula I, and the pharmaceutically acceptable salts thereof, are cardiovascular agents. They act as calcium entry blocking vasodilators and are especially useful as hypotensive agents.
- a composition containing one (or a combination) of the compounds of this invention the blood pressure of a hypertensive mammalian (e.g., human) host is reduced.
- the substance is preferably administered orally, but parenteral routes such as the subcutaneous, intramuscular or intravenous routes can also be employed.
- hypotensive agents in addition to being hypotensive agents may also be useful as anti-arrhythmic agents, anti-anginal agents, anti-fibrillatory agents, anti-asthmatic agents, anti-ischemic agents, and in limiting myocardial infarction.
- the compounds of this invention can also be formulated in combination with a diuretic, or a beta-adrenergic agent, or angiotensin converting enzyme inhibitor.
- Suitable diuretics include the thiazide diuretics such as hydrochlorothiazide and bendroflumethiazide, suitable beta-adrenergic agents include nadolol, and suitable angiotensin converting enzyme inhibitors include captopril.
- the compounds of formula I can be formulated for use in the reduction of blood pressure in compositions such as tablets, capsules or elixirs for oral administration, or in sterile solutions or suspensions for parenteral administration.
- compositions such as tablets, capsules or elixirs for oral administration, or in sterile solutions or suspensions for parenteral administration.
- About 10 to 500 milligrams of a compound of formula I is compounded with physiologically acceptable vehicle, carrier, excipient, binder, preservative, stabilizer, flavor, etc., in a unit dosage form as called for by accepted pharmaceutical practice.
- the amount of active substance in these compositions or preparations is such that a suitable dosage in the range indicated is obtained.
- reaction is preferably heated in the presence of an organic solvent, such as dimethylformamide.
- R 6 is hydrogen
- the compound of formula IV can be treated with phosgene or 4-nitrophenylchloroformate followed by an amine of the formula R 5 R 6 NH.
- the reaction is preferably run in the presence of an organic base, such as pyridine, and triethylamine.
- R 1 is a compound of formula IV, in a solvent, such as dichloromethane, and an organic base, such as pyridine, is reacted with a compound of the formula
- the compounds of formula I that contain a basic or acid group form acid addition and basic salts with a variety of inorganic and organic acids and bases.
- the pharmaceutically acceptable salts are preferred, although other salts may also be useful in isolating or purifying the product.
- Such pharmaceutically acceptable acid addition salts include those formed with hydrochloric acid, methanesulfonic acid, toluenesulfonic acid, sulfuric acid, acetic acid, maleic acid, etc.
- Pharmaceutically acceptable basic salts include alkali metal salts (e.g. sodium, potassium and lithium) and alkaline earth metal salts (e.g. calcium and magnesium).
- alkali metal salts e.g. sodium, potassium and lithium
- alkaline earth metal salts e.g. calcium and magnesium.
- the salts can be obtained by reacting the product with an equivalent amount of the acid in a medium in which the salt precipitates.
- Preferred compounds of this invention are those wherein:
- R 2 is alkyl (especially methyl), R 3 is alkyl and R 4 is substituted phenyl.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US145004 | 1988-01-19 | ||
US145007 | 1988-01-19 | ||
US07/145,007 US4870072A (en) | 1988-01-19 | 1988-01-19 | 2-oxo-1-substituted pyrazolo[1,5-A]pyrimidine-6-carboxylic acid esters as blood pressure reducing agents |
US07/145,004 US4859676A (en) | 1988-01-19 | 1988-01-19 | 2-Oxo-1-sulfonyl pyrazolo(1,5-a) pyrimidine-6-carboxylic acid esters |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0380592A1 true EP0380592A1 (fr) | 1990-08-08 |
EP0380592A4 EP0380592A4 (en) | 1991-10-09 |
Family
ID=26842566
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19890901760 Ceased EP0380592A4 (en) | 1988-01-19 | 1989-01-05 | 2-oxo-1-substituted pyrazolo 1,5-a¨pyrimidine-6-carboxylic acid esters |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0380592A4 (fr) |
WO (1) | WO1989006535A1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7253169B2 (en) | 1999-11-12 | 2007-08-07 | Gliamed, Inc. | Aza compounds, pharmaceutical compositions and methods of use |
US6417189B1 (en) * | 1999-11-12 | 2002-07-09 | Gpi Nil Holdings, Inc. | AZA compounds, pharmaceutical compositions and methods of use |
EP1242422A1 (fr) * | 1999-11-19 | 2002-09-25 | Abbott Laboratories | Ouvreurs de canaux potassiques du type dihydropyrimidine tricyclique |
US6538000B1 (en) | 1999-11-19 | 2003-03-25 | Abbott Laboratories | Tricyclic dihydropyrimidine potassium channel openers |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0204317A2 (fr) * | 1985-06-03 | 1986-12-10 | E.R. Squibb & Sons, Inc. | Diesters d'acides 2-thio ou oxo-4-aryl ou hétérocyclyl-1,5(2H)-pyrimidinedicarboxyliques et esters d'acides 3-acyl-5-pyrimidinecarboxyliques |
EP0217142A2 (fr) * | 1985-09-30 | 1987-04-08 | Yoshitomi Pharmaceutical Industries, Ltd. | Composé polyazahétérocyclique |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2593890A (en) * | 1948-08-11 | 1952-04-22 | Gen Aniline & Film Corp | 3, 3'-bis |
US4746656A (en) * | 1986-07-21 | 1988-05-24 | E. R. Squibb & Sons, Inc. | 1,2,4,7-tetrahydro-2-oxopyrazolo[1,5-a]pyrimidine derivatives |
-
1989
- 1989-01-05 WO PCT/US1989/000047 patent/WO1989006535A1/fr not_active Application Discontinuation
- 1989-01-05 EP EP19890901760 patent/EP0380592A4/en not_active Ceased
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0204317A2 (fr) * | 1985-06-03 | 1986-12-10 | E.R. Squibb & Sons, Inc. | Diesters d'acides 2-thio ou oxo-4-aryl ou hétérocyclyl-1,5(2H)-pyrimidinedicarboxyliques et esters d'acides 3-acyl-5-pyrimidinecarboxyliques |
EP0217142A2 (fr) * | 1985-09-30 | 1987-04-08 | Yoshitomi Pharmaceutical Industries, Ltd. | Composé polyazahétérocyclique |
Non-Patent Citations (1)
Title |
---|
See also references of WO8906535A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO1989006535A1 (fr) | 1989-07-27 |
EP0380592A4 (en) | 1991-10-09 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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17P | Request for examination filed |
Effective date: 19891115 |
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AK | Designated contracting states |
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A4 | Supplementary search report drawn up and despatched |
Effective date: 19910819 |
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AK | Designated contracting states |
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17Q | First examination report despatched |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED |
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18R | Application refused |
Effective date: 19940619 |
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RTI1 | Title (correction) |
Free format text: 2-OXO-1-SUBSTITUTED PYRAZOLO??1,5-A PYRIMIDINE-6-CARBOXYLIC ACID ESTERS |