17796-33-7Relevant academic research and scientific papers
Novel pyrimidopyrimidine derivative, process for producing it and pharmaceutical composition
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, (2008/06/13)
Pyrimidopyrimidine derivatives having the general formula STR1 wherein R1 is an alkyl group; R2 is an alkyl or phenyl group; R3 is a hydrogen atom, an alkyl or lower alkylamino group; and R4 is a hydrogen atom, an alkyl, halogenated lower alkyl, phenyl, amino or lower alkylamino group; and pharmaceutically acceptable salts thereof. These compounds are useful as anti-allergic agents, for example, for the treatment of bronchial asthma, urticaria, allergic rhinitis, allergic dermatoses or allergic conjunctivitis.
