Substituted pyrazole compounds

A compound of formula I

• in which
• R1 denotes (CH2)nHet1, or (CH2)nAr,
• Het1 is 4-pyridyl, thiophen-2-yl or thiophen-3-yl, which is unsubstituted or mono- or polysubstituted by CN, A and/or Hal,
• R2 denotes Het2
• Het2 is 2- or 3-furanyl, which is unsubstituted or mono- or polysubstituted by A and/or Hal,
• R3, R4 one of the radicals R3 or R4 denotes H, and the other of the radicals R3 or R4 denotes (CH2)nCO2R5, (CH2)nCOHet3, CHO, (CH2)nOR5, (CH2)nHet3, (CH2)nN(R5)2, CH═N—OA, CH2CH═N—OA, (CH2)nNHOA, (CH2)nN(R5)Het3, (CH2)nCH═N-Het3, (CH2)nOCOR5, (CH2)nN(R5)CH2CH2OR5, (CH2)nN(R5)CH2CH2OCF3, (CH2)nN(R5)C(R5)HCOOR5, (CH2)nN(R5)CH2CO Het3, (CH2)nN(R5)CH2 Het3, (CH2)nN(R5)CH2CH2 Het3, (CH2)nN(R5)CH2CH2N(R5)CH2COOR5, (CH2)nN(R5)CH2CHNR5)2, CH═CHCOOR5, CH═CHCH2NR5 Het3, CH═CHCH2N(R5)2, CH═CHCH2OR5 or (CH2)nN(R5)Ar,
• Het3 is 1-piperidyl, 1-piperazyl, 1-(4-methyl)piperazyl, 4-methylpiperazin-1-ylamine, 1-pyrrolidinyl, 1-pyrazolidinyl, 1-(2-methyl)pyrazolidinyl, 1-imidazolidinyl or 1-(3-methyl)imidazolidinyl or 4-pyridyl, which may be unsubstituted or substituted by one or more CN groups, 2- or 4-pyridazyl, 2-, 4- or 5-pyrimidyl, or 2- or 3-pyrazinyl or one of the following groups
• R5 denotes H or A,
• A denotes straight-chain or branched alkyl or alkoxy having 1 to 10 C atoms, alkenyl or alkoxyalkyl having 2 to 10 C atoms,
• Ar denotes a phenyl radical which is unsubstituted or mono- or polysubstituted by A and/or Hal, OR5, OOCR5, COOR5, CON(R5)2, CN, NO2, NH2, NHCOR5, CF3 or SO2CH3,
• n denotes 0, 1, 2, 3, 4 or 5,
• Hal denotes F, Cl, Br or I, and
• X denotes N, or
• in the case where R1 denotes one of the following groups
• and/or R2 denotes
• in which R denotes H or an alkyl group having 1 to 6 C atoms,
• alternatively denotes CH,
• or an enantiomer, racemate, or a mixture of enantiomers thereof,
• or a pharmaceutically acceptable salt thereof.