Although chienopirimijin and its medicine approved possible salt formula (i) have activity as the inhibiter of PI3K which possesses selectivity, concerning P110 sub type the disease or it is related to obstacle and the especially PI3 kinase the disease or the obstacle which it occurs from multiplication, function or behavior of the abnormal cell, for example the cancer, the immunity disease and the heart blood vessel disease, the virus infection symptom, the inflammation, remedy the metabolism/incretion disease and the nervous disease, it can use. Also synthesis process of the above-mentioned chemical compound is stated.式(I)のチエノピリミジン及びその医薬的に許容可能な塩は、P110サブタイプについて選択性を有するPI3Kの阻害剤として活性を有し、異常な細胞の増殖、機能または挙動から生じる疾患または障害、特にPI3キナーゼに関連する疾患または障害、例えば癌、免疫疾患、心臓血管疾患、ウイルス感染症、炎症、代謝/内分泌疾患及び神経疾患を治療するのに使用し得る。上記化合物の合成プロセスも記載される。
