SPIRO COMPOUNDS, MEDICINAL COMPOSITIONS CONTAINING THE SAME AND INTERMEDIATES OF THE COMPOUNDS
申请人:Dainippon Pharmaceutical Co., Ltd.
公开号:EP1559707A1
公开(公告)日:2005-08-03
A spiro compound represented by the following formula (I)
wherein R1 and R2 are the same or different and each is a hydrogen atom, a chlorine atom and the like, n is 1, 2 or 3, a bond containing a broken line is a single bond or a double bond, A is -X-(CH2)q-N(R3)(R4); a group represented by the following formula (a)
and the like, wherein X is an oxygen atom or a sulfur atom, q is 2 or 3, R3 and R4 are the same or different and each is a C1-6 alkyl group and the like, or R3 and R4 optionally form, together with the adjacent nitrogen atom, a piperidine ring and the like optionally substituted by one or two C1-6 alkyl and the like, R5 is a C1-6 alkyl group and the like, R6 is a hydrogen atom and the like, and r and t are each independently one or two, or a pharmaceutically acceptable acid addition salt thereof. The compound is useful as a selective estrogen receptor modulator having a climacteric syndrome-ameliorating effect, and can be expected to be a drug for the prophylaxis and/or treatment of osteoporosis, climacteric syndrome and breast cancer.
下式(I)代表的螺环化合物
其中 R1 和 R2 相同或不同,各自为氢原子、氯原子等,n 为 1、2 或 3,含有断线的键为单键或双键,A 为 -X-(CH2)q-N(R3)(R4);下式(a)代表的基团
及类似物,其中 X 是氧原子或硫原子,q 是 2 或 3,R3 和 R4 相同或不同且各自是 C1-6 烷基及类似物,或 R3 和 R4 与相邻的氮原子一起可选地形成可选地被一个或两个 C1-6 烷基及类似物取代的哌啶环及类似物,R5 是 C1-6 烷基及类似物,R6 是氢原子及类似物,r 和 t 独立地各自是一个或两个,或其药学上可接受的酸加成盐。该化合物可用作选择性雌激素受体调节剂,具有改善更年期综合征的作用,可望成为预防和/或治疗骨质疏松症、更年期综合征和乳腺癌的药物。