EP0092786B1
Expired / Lapsed
EP
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1,8-naphthyridine and 1,5,8-azanaphthyridine derivatives
Assignee: Merck Sharp & Dohme LLC
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Filing: 1983-04-20
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Granted: 1987-01-07
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Expires: 2003-04-20
Abstract
No abstract record available.
Inventors
- 👤 Margaret H. Sherlock
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-29 04:59
CPC Classifications
C; C07; C07D; C07D471/00; C07D471/02; C07D471/04; C07D241/00; C07D241/02; C07D241/10; C07D241/14; C07D241/24; C07D241/26
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
434 words
Compounds of the general Formula I wherein X is CH or N; Y is hydrogen, hydroxy, benzyloxy, amino, sulfamyl, halogen, nitro, alkyl having from 1 to 6 carbon atoms, alkoxy having from 1 to 6 carbon atoms, carboxylic acyl having from 2 to 6 carbon atoms, alkylS(O) m - having from 1 to 6 carbon atoms wherein m is 0, 1 or 2, trifluoromethyl, trifluoromethylthio, or COOA wherein A is hydrogen, alkyl having from 1 to 6 carbon atoms or a pharmaceutically acceptable cation derived from a metal or an amine; Z is hydrogen, hydroxy, halogen, alkyl having from 1 to 6 carbon atoms, alkoxy having from 1 to 6 carbon atoms, hydroxyalkyl having from 1 to 6 carbon atoms or carboxylic acyloxy having from 2 to 6 carbon atoms; R 1 is alkenyl having from 2 to 10 carbon atoms, alkynyl having from 2 to 10 carbon atoms, cycloalkyl having from 3 to 7 carbon atoms, cycloalkenyl having from 5 to 8 carbon atoms, 2-, 4- or 5-pyrimidyl, 2-, 3-or 4-pyridyl, 2- or 3-thienyl, 2- or 3-furanyl, carboxylic acyl having from 2 to 6 carbon atoms, or alkyl having from 1 to 10 carbon atoms which alkyl may be substituted with hydroxy, halogen, alkoxy having from 1 to 6 carbon atoms, carboxylic acyl having from 2 to 6 carbon atoms, phenyl, 2-, 3- or 4-pyridyl, 2-, 4- or 5- pyrimidyl, 2- or 3-thienyl, 2- or 3-furanyl, cycloalkyl having from 3 to 7 carbon atoms or carboxylic acyloxy having from 1 to 6 carbon atoms. R 2 is hydrogen, carboxylic acyl having from 1 to 6 carbon atoms, alkyl having from 1 to 6 carbon atoms, hydroxyalkyl having 2 to 6 carbon atoms, dihydroxyalkyl having from 2 to 6 carbon atoms, alkenyl having from 2 to 6 carbon atoms, alkynyl having from 2 to 6 carbon atoms, R a R b N(CH 2 ) n - wherein n is an integer of from 2 to 6, R a and R b are hydrogen, alkyl having from 1 to 6 carbon atoms or form, together with the nitrogen atom to which they are attached, a piperidine, morpholine, piperazine or pyrrolidine ring or R 2 represents a pharmaceutically acceptable cation derived from a metal or an amine, with the proviso that when X is CH, R 2 is hydrogen or carboxylic acyl, Y is hydrogen, alkyl, alkoxy, CF 3 , CH 3 SO 2 , ―SCF 3 or NO 2 and Z is hydrogen, halogen, alkyl or alkoxy, then R 1 is not unsubstituted alkyl; the acid addition salts and hydrates and solvates of such compounds.
Claim 2
Dependent Claim
434 words
Compounds of the general Formula I wherein X is CH or N; Y is hydrogen, hydroxy, benzyloxy, amino, sulfamyl, halogen, nitro, alkyl having from 1 to 6 carbon atoms, alkoxy having from 1 to 6 carbon atoms, carboxylic acyl having from 2 to 6 carbon atoms, alkylS(O) m - having from 1 to 6 carbon atoms wherein m is 0, 1 or 2, trifluoromethyl, trifluoromethylthio, or COOA wherein A is hydrogen, alkyl having from 1 to 6 carbon atoms or a pharmaceutically acceptable cation derived from a metal or an amine; Z is hydrogen, hydroxy, halogen, alkyl having from 1 to 6 carbon atoms, alkoxy having from 1 to 6 carbon atoms, hydroxyalkyl having from 1 to 6 carbon atoms or carboxylic acyloxy having from 2 to 6 carbon atoms; R 1 is alkenyl having from 2 to 10 carbon atoms, alkynyl having from 2 to 10 carbon atoms, cycloalkyl having from 3 to 7 carbon atoms, cycloalkenyl having from 5 to 8 carbon atoms, 2-, 4- or 5-pyrimidyl, 2-, 3-or 4-pyridyl, 2- or 3-thienyl, 2- or 3-furanyl, carboxylic acyl having from 2 to 6 carbon atoms, or alkyl having from 1 to 10 carbon atoms which alkyl may be substituted with hydroxy, halogen, alkoxy having from 1 to 6 carbon atoms, carboxylic acyl having from 2 to 6 carbon atoms, phenyl, 2-, 3- or 4-pyridyl, 2-, 4- or 5- pyrimidyl, 2- or 3-thienyl, 2- or 3-furanyl, cycloalkyl having from 3 to 7 carbon atoms or carboxylic acyloxy having from 1 to 6 carbon atoms. R 2 is hydrogen, carboxylic acyl having from 1 to 6 carbon atoms, alkyl having from 1 to 6 carbon atoms, hydroxyalkyl having 2 to 6 carbon atoms, dihydroxyalkyl having from 2 to 6 carbon atoms, alkenyl having from 2 to 6 carbon atoms, alkynyl having from 2 to 6 carbon atoms, R a R b N(CH 2 ) n - wherein n is an integer of from 2 to 6, R a and R b are hydrogen, alkyl having from 1 to 6 carbon atoms or form, together with the nitrogen atom to which they are attached, a piperidine, morpholine, piperazine or pyrrolidine ring or R 2 represents a pharmaceutically acceptable cation derived from a metal or an amine, with the proviso that when X is CH, R 2 is hydrogen or carboxylic acyl, Y is hydrogen, alkyl, alkoxy, CF 3 , CH 3 SO 2 , ―SCF 3 or NO 2 and Z is hydrogen, halogen, alkyl or alkoxy, then R 1 is not unsubstituted alkyl; the acid addition salts and hydrates and solvates of such compounds.
Claim 3
Dependent Claim
9 words
Compounds according to Claim 1, wherein X is CH.
Claim 4
Dependent Claim
76 words
Compounds according to Claim 1 or 2, wherein Y is hydrogen, C 1 to C 6 -alkyl, C 1 to C 6 -alkoxy, CF 3 , SCF 3 or NO 2 , Z is hydrogen, halogen, C 1 to C 6 -alkyl, or C 1 to C 6 -alkoxy, R 1 is unsubstituted alkyl having from 1 to 10 carbon atoms and R 2 is a cation derived from a pharmaceutically acceptable metal or an amine.
Claim 5
Dependent Claim
96 words
Compounds according to Claim 2, wherein Y and Z are independently selected from hydrogen, C 1 to C 6 -alkyl and C 1 to C 6 -alkoxy, R 1 is alkenyl having 3 or 4 carbon atoms, w-hydroxyalkyl having 2 to 4 carbon atoms, w-carboxylicacyloxyalkyl having from 6 to 9 carbon atoms or n-alkyl having from 3 to 5 carbon atoms, and R 2 is a cation derived from a metal or an amine,―CH 2 CH 2 OH or, provided R 1 is not n-alkyl, also hydrogen or acyl having from 1 to 6 carbon atoms.
Claim 6
Dependent Claim
81 words
Compounds according to Claim 4, wherein Y is hydrogen, methylthio or methoxy, Z is hydrogen or methyl, R 1 is n-C 4 H 9 , ―(CH 2 ) 3 CH 2 OCOC 2 H 5 , ―CH 2 CH 2 OH, ―(CH 2 ) 2 CH 2 OH or ―CH 2 -CH = CH 2 and R 2 is sodium cation or, provided R 1 is not n-C 4 H 9 , also hydrogen ―COCH 3 or―COC 2 H 5 .
Claim 7
Dependent Claim
21 words
A compound according to Claim 3, being the sodium, potassium, calcium, ethanolamine, N-methylglucamine, diethanolamine, ethylenediamine, tris-hydroxy-ethyl-methylamine or lysine salt of 3-(n-butyl)-4-hydroxy-1-phenyl-1,8-naphythridine-2-(1H)-one.
Claim 8
Dependent Claim
12 words
A compound according to Claim 6, being the sodium salt of 3-(n-butyl)-4-hydroxy-1-phenyl-1,8-naphthyridine-2(lH)-one.
Claim 9
Dependent Claim
26 words
Compounds according to Claim 5, being 4-acetoxy-1-phenyl-3-(2-propenyl)-1 , 8 -na p h th y ridin-2(H)-one; 3-(n-butyl)-4-(2-hydroxyethoxy)-1-phenyl-1,8-naphthyridin-2(1H)-one; 1-phenyl-4-propionyloxy-3-(4-propionyloxybutyl)-1,8-naphthyridin-2(1H)-one. 9. Compounds according to Claim 5 being 4-hydroxy-1-(3-methoxyphenyl)-3-(2-propenyl)-1,8-naphthyridin-2(1H)-one; 4-hydroxy-3-(2-hydroxyethyl)-1-phenyl-1,8-naphthyridin-2(1H)-one.
Claim 10
Dependent Claim
166 words
Process for the preparation of compounds of Formula I defined in Claim 1, caharacterized in that: A: A compound of the general Formula II wherein X, Y and Z are as defined above and R represents any convenient leaving group, preferably an alkoxy group, is reacted with a compound of the general Formula III wherein R 1 and R are as defined above; or B: for the preparation of a compound of Formula I wherein R 1 represents an alkenyl group with 3 to 6 carbon atoms having the double bond in the 2,3-position, a compound of the general formula IV wherein R 3 is an alkenyl group with 3 to 6 carbon atoms having the double bond in the 2,3-position and X, Y and Z are as defined, is subjected to a Claisen rearrangement, and that a compound obtained according to process A or B above wherein R 2 represents hydrogen, if desired, is subjected to introduction of a group R 3 different from hydrogen.
Claim 11
Dependent Claim
19 words
Pharmaceutical compositions comprising as an active ingredient a compound as defined in any one of claims 1 to 9.
Claim 12
Dependent Claim
29 words
Process for preparing pharmaceutical compositions, characterized in that a compound as defined in any one of claims 1 to 9, is brought into a form suitable for pharmaceutical administration.
References Cited (Backward Citations)
No citation records indexed.
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