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Pyrimidine compounds and their use as pharmaceuticals

  • US 5,602,137 A
  • Filed: 05/26/1995
  • Issued: 02/11/1997
  • Est. Priority Date: 06/10/1993
  • Status: Expired due to Fees
First Claim
Patent Images

1. A compound of the formula ##STR23## in which Rl is either R1a selected froma) hydrogen,b) C1-8 -alkyl, C3-8 -cycloalkyl, C4-8 -cycloalkylalkyl, or C4-8 -alkylcycloalkyl, which optionally are substituted by one or more fluoro or chloro substituents, or by a single hydroxy, C1-4 -alkoxy, or C1-4 -alkylthio,c) phenyl or phenyl-C1-3 -alkyl,d) C2-8 -alkenyl, C3-8 -cycloalkenyl, or C2-8 -alkynyl, which optionally are substituted by phenyl, orR1b selected froma) C1-6 -alkylthio, C3-6 -cycloalkylthio, C1-6 -alkoxy, C3-6 -cycloalkoxy, mono-C1-6 -alkylamino, or mono-C3-6 -cycloalkylamino, in which an alkyl group optionally is substituted by phenyl or by one or more fluoro substituents,b) phenylthio or phenoxy,c) di-C1-4 -alkylamino, in which the alkyl groups are the same or different or together form a polymethylene ring with three, four, five, or six carbon atoms, which optionally are interrupted by an oxygen atom and optionally is substituted by one or more fluoro substituents,d) mono-phenylamino or mono-C1-4 -alkyl-monophenylamino, in which the alkyl groups optionally are substituted by one or more fluoro substituents,e) halo,R2 isa) hydrogen,b) C1-8 -alkyl, which optionally is substituted by one or more fluoro substituents,c) phenyl, orR1 and R2 together form a polymethylene chain containing three, four or five carbon atoms, which optionally is interrupted by an oxygen or sulfur atom,R3 is hydrogen or C1-4 -alkyl, and n is 0 or 1,X is O, S, or NR4, andR4 isa) hydrogen,b) C1-8 -alkyl, C3-8 -cycloalkyl, C4-8 -cycloalkylalkyl, or C4-8 -alkylcycloalkyl, which optionally may be substituted by phenyl or by one or more fluoro substituents,c) phenyl,d) (CH2)m COOR22,c) (CH2)m CONR23 R24,f) (CH2)m COOP16, in which P1 is a carboxy-protecting group,g) (CH2)m CN,h) (CH2)m (5-tetrazolyl),and m is 1 or 2 in groups d), e), f), g) or h),=A - B - together with the pyrimidine ring forms,a [1,2,4]triazolo[1,5-a]pyrimidine of formula (B), ##STR24## in which R7 isa) hydrogen,b) C1-8 -alkyl, C3-8 -cycloalkyl, C4-8 -cycloalkylalkyl, or C4-8 -alkylcycloalkyl, which optionally are substituted by one or more fluoro or chloro substituents,c) phenyl-C1-3 -alkyl,d) hydroxy, C1-6 -alkoxy, C3-6 -cycloalkoxy, C1-3 -phenylalkoxy, or phenoxy, in which the alkyl and cycloalkyl groups optionally are substituted by one or more fluorine atoms,e) halo,f) mercapto,g) C1-6 -alkylthio, C1-6 -alkylsulfinyl, C1-6 -alkylsulfonyl, C3-6 -cycloalkylthio, C3-6 -cycloalkylsulfinyl, or C3-6 -cycloalkylsulfonyl, which optionally are substituted by one or more fluorine atoms,h) phenylthio, phenylsulfinyl, phenylsulfonyl, phenyl-C1-3 -alkylthio, phenyl-C1-3 -alkylsulfinyl, or phenyl-C1-3 -sulfonyl,i) phenyl,j) cyano,k) COOR22,l) CONR23 R24,m) 5-tetrazolyl,n) COOP1, in which P1 is a carboxy-protecting group,o) SO3 H,p) SO2 NR23 R24,r) NR23 R24,s) C1-6 -alkanoyl or 1-hydroxy-C1-6 -alkyl, which optionally are substituted by one or more fluorine atoms,t) benzoyl or phenylhydroxymethyl,u) NH(C1-6 -alkanoyl) or NH(C1-6 -alkylsulfonyl), in which the alkyl groups optionally are substituted by one or more fluorine atoms,v) NH(benzoyl) or NH (benzenesulfonyl),Ar1 is a group selected froma) 1,4-phenylene of formula (E), ##STR25## b) 1,4-substituted pyridine of formula (F) or formula (G), ##STR26## or c) benzofuran, benzothiophene, or indole of formula (H), ##STR27## in which the group Z is O, S, or NR12, and R12 is hydrogen or C1-4 -alkyl,and in each of the groups Ar1 the substituentR13 isa) hydrogen,b) halo,c) C1-4 -alkyl,d) C1-4 -alkoxy,e) trifluoromethyl,f) nitro,R14 isa) hydrogen,b) C1-6 -alkyl, C3-6 -cycloalkyl, C4-6 -cycloalkylalkyl , or C4-6 -alkylcycloalkyl, which optionally are substituted by one or more fluoro or chloro substituents,c) C2-6 -alkenyl or C3-6 -cycloalkenyl,d) halo,e) cyano,f) nitro,g) C1-6 -alkanoyl, in which the alkyl group optionally is substituted by one or more fluorine atoms,h) C1-6 -alkoxy,i) COOR22,j) CONR23 R24,Ar2 is a group selected froma) phenyl of formula (I), ##STR28## b) pyridine of formula (J), ##STR29## c) 1-pyrrolyl of formula (K), ##STR30## or d) a five-membered heterocycle of formula (L), ##STR31## in which the group V is O, S, SO, SO2, or NR15, the group W is CH or N, and R15 is hydrogen or C1-4 -alkyl, with the proviso that in groups Ar2 of formula (J) and (L) the substituent R16 and the group Y are in ortho positions, and in each of the groups Ar2 the substituentR16 is hydrogen, an acidic substituent, the groupCOOP1 in which P1 is a carboxy-protecting group ora group selected froma) cyano,b) a protected 5-tetrazolyl of formula (M) ##STR32## in which the group P2 is a protecting group, c) COO(C1-4 -alkyl),d) nitro,e) amino,f) mercapto,g) SO2 Cl,h) SO2 (OC1-4 -alkyl),i) PO(OC1-4 -alkyl)2,R17 has independently the same meaning as R13,R18 and R19 are independently selected froma) hydrogen,b) C1-6 -alkyl, C3-6 -cycloalkyl, C4-6 -cycloalkylalkyl, or C4-6 -alkylcycloalkyl, which optionally are substituted by one or more fluoro or chloro substituents,c) C2-6 -alkenyl or C3-6 -cycloalkenyl,d) halo,e) nitro,f) cyano,g) C1-4 -alkylthio,Y is a group selected froma) a direct bond, CHR20, CHR20 CH2, OCHR20, OCHR20 CH2, SCHR20 SCHR20 CH2, NR21 CHR20, NR21 CHR20 CH2, CH2 CHR20, CH2 CHR20 CH2,b) O, S, SO2, NR21, CO, CONH, NHCO, CH2 O, CH2 S, CH2 NR21, with the proviso that when Y is (b) Ar1 is 1,4-phenylene of formula (E) and Ar2 is phenyl of formula (I),R20 is hydrogen ora) COOH,b) COOP1, in which P1 is a carboxy-protecting group,d) 5-tetrazolyl,e) cyano,f) a protected 5-tetrazolyl of formula (M), with the proviso that one of the substituents R16 and R20 is hydrogen and the other is a substituent other than hydrogen,R21 and R22 are independently selected from hydrogen or C1-6 -alkyl, andR23 and R24 are independently selected from hydrogen or C1-4 -alkyl, or together may form a polymethylene chain containing three, four or five carbon atoms, which optionally are interrupted by an oxygen atom;

  • the phenyl group of R1a c), R1b b), R1b d), R2 c), R4 c), R7 d), R7 h), R7 i), R7 t), R7 v), being unsubstituted or substituted by at least one member selected from the group consisting of halo, C1-4 -alkoxy, C1-4 -alkylthio, C1-4 -alkylsulfinyl, C1-4 -alkylsulfonyl, cyano, nitro, trifluoromethyl or hydroxy,or a pharmaceutically acceptable salt thereof.

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