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PYRIDO(3,2-D)PYRIMIDINES AND PHARMACEUTICAL COMPOSITIONS USEFUL FOR MEDICAL TREATMENT

  • US 20090036430A1
  • Filed: 06/20/2008
  • Published: 02/05/2009
  • Est. Priority Date: 12/30/2004
  • Status: Abandoned Application
First Claim
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1. A pyrido(3,2-d)pyrimidine derivative having the general formula:

  • wherein;

    R1 is selected from the group consisting of hydrogen, halogen, cyano, carboxylic acid, acyl, thioacyl, alkoxycarbonyl, acyloxy, carbonate, carbamate, C1-7 alkyl, aryl, amino, acetamido, N-protected amino, (mono- or di) C1-7 alkylamino, (mono- or di) arylamino, (mono- or di) C3-10 cycloalkylamino, (mono- or di) hydroxy C1-7 alkylamino, (mono- or di) C1-4 alkyl-arylamino, mercapto C1-7 alkyl, C1-7 alkyloxy, and groups of the formula R6

    NR7R12, wherein R6 is a bond or C1-3 alkylene, wherein R7 and R12 are independently selected from the group consisting of hydrogen, C1-7 alkyl, C2-7 alkenyl, C2-7 alkynyl, aryl, arylalkyl, C3-10 cycloalkyl and heteroaryl, or wherein R7 and R12 together form a heterocycle,R2 is selected from the group consisting of (mono- or di-) C1-12 alkylamino;

    monoarylamino;

    diarylamino;

    (mono- or di-) C3-10 cycloalkylamino;

    (mono- or di-) hydroxyC1-7 alkylamino;

    (mono- or di-) C1-4 alkylarylamino;

    (mono- or di-) arylC1-4 alkylamino;

    morpholinyl;

    mercapto C1-7 alkyl;

    C1-7 alkoxy, homopiperazinyl and piperazinyl, wherein said homopiperazinyl or piperazinyl is optionally N-substituted with a substituent R5 selected from the group consisting of formyl, acyl, thioacyl, amide, thioamide, sulfonyl, sulfinyl, carboxylate, thiocarboxylate, amino-substituted acyl, alkoxyalkyl, C3-10 cycloalkyl-alkyl, C3-10 cycloalkyl, dialkylaminoalkyl, heterocyclic-substituted alkyl, acyl-substituted alkyl, thioacyl-substituted alkyl, amido-substituted alkyl, thioamido-substituted alkyl, carboxylato-substituted alkyl, thiocarboxylato-substituted alkyl, (amino-substituted acyl)alkyl, heterocyclic, carboxylic acid ester, ω

    -cyanoalkyl, ω

    -carboxylic ester-alkyl, halo C1-7 alkyl, C2-7 alkenyl, C2-7 alkynyl, arylalkenyl, aryloxyalkyl, arylalkyl and aryl, wherein the aryl moiety of each of said arylalkenyl, aryloxyalkyl, arylalkyl and aryl radicals is optionally substituted with one or more substituents independently selected from the group consisting of halogen, C1-7 alkyl, C2-7 alkenyl, C2-7 alkynyl, halo C1-7 alkyl, nitro, hydroxyl, sulfhydryl, amino, C1-7 alkoxy, C3-10 cycloalkoxy, aryloxy, arylalkyloxy, oxyheterocyclic, heterocyclic-substituted alkyloxy, thio C1-7 alkyl, thio C3-10 cycloalkyl, thioaryl, thio-heterocyclic, arylalkylthio, heterocyclic-substituted alkylthio, formyl, carbamoyl, thiocarbamoyl, ureido, thioureido, sulfonamido, hydroxylamino, alkoxy-amino, mercaptoamino, thioalkylamino, acylamino, thioacylamino, cyano, carboxylic acid or esters or thioesters or halides or anhydrides or amides thereof, thiocarboxylic acid or esters or thioesters or halides or anhydrides or amides thereof, alkylamino, cycloalkylamino, alkenylamino, cyclo-alkenylamino, alkynylamino, arylamino, arylalkylamino, hydroxyalkylamino, mercaptoalkylamino, heterocyclic amino, hydrazino, alkylhydrazino and phenylhydrazino;

    R3 and R4 are independently selected from the group consisting of hydrogen, heteroaryl and aryl groups, wherein said heteroaryl or aryl groups are optionally substituted with one or more substituents selected from the group consisting of halogen, C1-7 alkyl, C2-7 alkenyl, C2-7 alkynyl, halo C1-7 alkyl, nitro, hydroxyl, sulfhydryl, amino, C1-7 alkoxy, C3-10 cycloalkoxy, aryloxy, arylalkyloxy, oxyheterocyclic, heterocyclic-substituted alkyloxy, thio C1-7 alkyl, thio C3-10 cycloalkyl, thioaryl, thio-heterocyclic, arylalkylthio, heterocyclic-substituted alkylthio, formyl, carbamoyl, thiocarbamoyl, ureido, thioureido, sulfonamido, hydroxylamino, alkoxy-amino, mercaptoamino, thioalkylamino, acylamino, thioacylamino, cyano, carboxylic acid or esters or thioesters or halides or anhydrides or amides thereof, thiocarboxylic acid or esters or thioesters or halides or anhydrides or amides thereof, alkylamino, cycloalkylamino, alkenylamino, cyclo-alkenylamino, alkynylamino, arylamino, arylalkylamino, hydroxyalkylamino, mercaptoalkylamino, heterocyclic amino, hydrazino, alkylhydrazino and phenylhydrazino, provided that R3 and R4 are not both hydrogen, and further provided that R4 is hydrogen when R2 is monoarylamino,or a pharmaceutical acceptable addition salt or a stereochemical isomeric form thereof or a N-oxide thereof or a solvate thereof.

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