Biphosphonic acid derivatives, their production and use
申请人:Takeda Chemical Industries, Ltd.
公开号:EP0464509A1
公开(公告)日:1992-01-08
A bisphosphonic acid derivative of the general formula (I):
wherein A is an optionally substituted cyclic group; R1 is hydrogen atom or a lower alkanoyl group; R2, R3, R4 and R5 are the same or different and are hydrogen atom or a lower alkyl group; m is 0, 1 or 2; and n is an integer from 2 to 10, or a salt thereof is disclosed. A process for its production and a bone resorption inhibitor containing the compound of the general formula (I) or a salt thereof are also disclosed.
bisphosphonic acid derivatives, and useful as a bone resorption inhibitor
申请人:Takeda Chemical Industries, Ltd.
公开号:US05376647A1
公开(公告)日:1994-12-27
A bisphosphonic acid derivative of the general formula (I): ##STR1## wherein A is an optionally substituted cyclic group; R.sup.1 is hydrogen atom or a lower alkanoyl group; R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are the same or different and are hydrogen atom or a lower alkyl group; m is 0, 1 or 2; and n is an integer from 2 to 10, or a salt thereof is disclosed. A process for its production and a bone resorption inhibitor containing the compound of the general formula (I) or a salt thereof are also disclosed.