申请人:——
公开号:US20030158245A1
公开(公告)日:2003-08-21
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。