7-(3,4-DIALKOXYPHENYL)-PYRAZOLO1,5-APYRIMIDINE 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

摘要

The present invention relates to 7- (3,4- dialkoxyphenyl) -pyrazolo [1, 5 -a] pyrimidine compounds, pharmaceutically acceptable salts thereof, preparation thereof and pharmaceutical compositions comprising the same as an active ingredient for treating or preventing inflammatory diseases including asthma and chronic obstructive pulmonary disease, arthritis, atopic dermatitis, cancers including leukemia, and degenerative brain diseases such as Alzheimer disease, depression or failure of memory.