1-(3,4-DIALKOXYBENZYL)-1H-PYRAZOLE COMPOUNDS, PROCESS FOR PREPARING THEREOF, AND PHARMACEUTICAL COMPOSITION FOR TREATING OR PREVENTING ASTHMA, CHRONIC OBSTRUCTIVE PULMONARY DISEASE, ARTHRITIS, ATOPIC DERMATITIS, TUMOR AND DEGENERATIVE BRAIN DISEASES COMPRISING THE SAME

A novel pyrazole compound is provided to show excellent inhibitory activity on PDE-4 enzyme, thereby being used in order to prevent and treat asthma, chronic obstructive pulmonary disease, arthritis, atopic dermatitis, tumor and degenerative brain diseases. A 1-(3,4-dialkoxybenzyl)-1H-pyrazole compound is represented by the formula(1), wherein each R1 and R2 is independently H, linear or branched C1-7 alkyl, linear or branched C1-7 C1-7 alkyl including halogen, C3-7 cycloalkyl, (C3-7)cycloalkyl(C1-7)alkyl, 3- to 7-membered heterocycloalkyl including O, N or S in a hetero-cycle, 3- to 7-membered heterocycloalkyl(C1-7)alkyl including O, N or S in a hetero-cycle, phenyl, benzyl or allyl, or R1 and R2 may be linked to each other with C1-3 alkylene or C1-3 alkylene including halogen; R3 is H, formyl, halogen, linear or branched C1-10 alkyl, C1-10 alkoxy, C3-7 cycloalkyl, (C1-7)alkoxy(C1-7)alkyl, C1-7 alkyl ketone, (C3-7)cycloalkyl(C1-7)alkyl, (C3-7)cycloalkyl(C1-7)alkoxy, (C1-10)alkylcarboxylic acid, carboxyl(C1-10)alkylester, carboxyl(C1-10)alkylamide, amino, mono or di(C1-7)alkylamino, mono or di(C1-7)alkylaminocarbonyl; (C3-7)cycloalkylamino, morpholine, morpholine oxide, piperidine, piperazine, piperazine oxide, cyano, nitro, carboxylic acid guanidine, urea, phenoxy, benzyloxy, or an Aryl represented by the group(I); each R4 and R5 is independently H, halogen, formyl, linear or branched C1-10 alkyl, C1-10 alkoxy, (C1-10)alkoxy(C1-10)alkyl, C1-7 alkylketone, hydroxy(C1-10)alkyl, C3-7 cycloalkyl, (C3-7)cycloalkyl(C1-7)alkyl, (C3-7)cycloalkyl(C1-7)alkoxy, carboxylic acid, carboxyl(C1-10)alkylester, carboxyl(C1-10)alkylamide, amino, mono or di(C1-7)alkylamino, mono or di(C1-7)alkylaminocarbonyl, phenyl, phenoxy, benzyl, benzyloxy, 3- to 7-membered heterocycloalkyl including O, N or S in a hetero-cycle, 3- to 7-membered heterocycloalkyl(C1-7)alkyl including O, N or S in a hetero-cycle, 3- to 7-membered heterocycloalkyl(C1-7)alkoxy including O, N or S in a hetero-cycle, cyano, nitro, (C3-7)cycloalkylamino, guanidine, or urea. A method for preparing the compound of the formula(1) comprises a step of reacting a halobenzyl compound represented by the formula(3) with a pyrazole compound represented by the formula(4), each R1, R2, R3, R4, and R5 are same as defined above, and X is halogen. A pharmaceutical composition for preventing and treating inflammation related diseases such as asthma and chronic obstructive pulmonary diseases comprises the compound of the formul