There is disclosed novel fused thiophene derivatives as prophylactic and therapeutic drugs for bone or articular diseases, industrially advantageous processes for production thereof, and novel production intermediates. Said fused thiophene derivatives are represented by the general formula (I):
1
wherein R
1
is an optionally substituted hydrocarbon, heterocyclic, sulfinyl, sulfonyl, hydroxyl, thiol or amino group,; R
2
is cyano, formyl, thioformyl, etc.; ring A is any of
2
(wherein R
3
is hydrogen or an optionally substituted hydrocarbon, heterocyclic, hydroxyl, amino, sulfonyl or acyl; R
14
is hydrogen, halogen, optionally subsituted hydrocarbon group, optionally subsituted heterocyclic group etc.; and ring B represents an optionally substituted 5- to 7-membered hydrocarbon ring.
披露了一种新型的融合
噻吩衍
生物,作为用于骨骼或关节疾病的预防和治疗药物,以及用于其生产的工业优势工艺和新型生产
中间体。所述融合
噻吩衍
生物由通式(I)表示:其中R1是可选择地取代的
碳氢化合物、杂环、砜基、磺酰基、羟基、
硫醇或
氨基;R2是
氰基、甲酰基、
硫代甲酰基等;环A是其中R3是
氢或可选择地取代的
碳氢化合物、杂环、羟基、
氨基、磺酰基或酰基;R14是
氢、卤素、可选择地取代的
碳氢基团、可选择地取代的杂环基团等;环B代表可选择地取代的5至7成员
碳氢环。