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    • 9. 发明申请
    • 23-YNE-VITAMIN D3 DERIVATIVE
    • 23-YNE-VITAMIN D3衍生物
    • US20150148552A1
    • 2015-05-28
    • US14612781
    • 2015-02-03
    • TEIJIN PHARMA LIMITED
    • Hiroshi SAITO
    • C07C401/00
    • C07C401/00C07C2601/02C07C2601/08C07C2601/14C07C2602/24C07F7/1804C07F7/1852Y02P20/55
    • To provide a novel vitamin D3 derivative useful as a therapeutic agent for osteoporosis.Provided is a vitamin D3 derivative represented by the following formula (1) or a medicinally acceptable solvate thereof: wherein R1 represents a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, an alkylcarbonyloxyalkyl group with each alkyl having 1 to 6 carbon atoms, or an arylcarbonyloxyalkyl group with the aryl having 6 to 10 carbon atoms and the alkyl having 1 to 6 carbon atoms; R2 represents a hydrogen atom or an alkyl group having 1 to 6 carbon atoms or, together with the other R2 and the carbon atom to which they are bound to, may form a cyclic alkyl group having 3 to 6 carbon atoms; R3 represents an alkyl group having 1 to 6 carbon atoms or, together with the other R3 and the carbon atom to which they are bound to, may form a cyclic alkyl group having 3 to 6 carbon atoms; X represents an oxygen atom or a methylene group; and n represents an integer of 1 or 2.
    • 提供可用作骨质疏松症治疗剂的新型维生素D3衍生物。 本发明提供由下式(1)表示的维生素D3衍生物或其药学上可接受的溶剂化物:其中,R1表示氢原子,碳原子数1〜6的烷基,碳原子数为1〜6的烷基的烷基羰氧基烷基 或芳基具有6至10个碳原子的芳基羰氧基烷基和具有1至6个碳原子的烷基; R 2表示氢原子或碳原子数1〜6的烷基,或者与其它的R 2和与它们相连的碳原子一起形成可以形成碳原子数为3〜6的环状烷基。 R 3表示碳原子数为1〜6的烷基,或者与另外的R 3及与它们相连的碳原子一起形成碳原子数为3〜6的环状烷基。 X表示氧原子或亚甲基; n表示1或2的整数。