Publication number: 20040087554
Abstract: The invention relates to a method of producing the 1-hydroxy-1,1-diphosphonic acid compounds of general formula (I), and/or the pharmacologically acceptable salts thereof, in which formula R1 represents hydrogen, OH, NO2, Cl, F, Br, C1-C6 alkyl that may be substituted with halogen, amine and/or aminoalkyl, C1-6 alkoxy, aryl, heteroaryl, a group NR3R4, wherein R3 and R4 may be the same or different and represent hydrogen, C1-C6 alkyl, halogen-substituted alkyl, hydroxy-C1-alkyl; R2 represents hydrogen, halogen, amine that may be substituted, C1-C6 alkyl that may be substituted with halogen, amine and/or aminoalkyl, C1-C6 alkoxy, aryl, heteroaryl; Y represents O, S or NH; Z represents C1-C5 alkylene that may be substituted with amine groups, and m and n are 0 or 1, with the proviso that if n=1, m=1.
Type:
Application
Filed:
September 15, 2003
Publication date:
May 6, 2004
Inventors:
Helmut Blum, Wolfgang Greb, Yurii Pustovit, Gerd-Volker Roschenthaler
Publication number: 20040014726
Abstract: The present invention is directed to a method for the preparation of a pharmaceutical composition having osteoclast formation inhibiting or suppressing activity, characterized in that, as the active agent, a compound of the formula (I) is used, in which formula Q1 is hydrogen, hydroxyl, halogen, amino —NH2, or —OR′, wherein R′ is C1-C4-alkyl or acyl, Q2 is straight or branched alkyl, hydroxyalkyl or aminoalkyl, or a corresponding unsaturated group optionally substituted at the hydroxy or amino group, or a unsubstituted or substituted, saturated or unsaturated cycloalkyl, which can be bound to the methylene carbon over a straight or branched alkylene group, or is the group (a) wherein Y is a saturated or unsaturated heterocyclic group, or a carbocyclic aromatic group, X is a bond, O, S or NR3, wherein R3 is hydrogen or a protecting group, especially lower alkyl, acyl, aryl or arylalkyl, and n is an integer 0 to 6, R1 and R2 are independently hydrogen or C1-C4-alkyl, or it is halogen, an
Type:
Application
Filed:
April 25, 2003
Publication date:
January 22, 2004
Inventors:
Thua Osterman, Ritva Hannuniemi, Teuvo Hentunen, Sirpa Liukko-Sipi, Hannu Nikander, Katri Selander, Raija Sellman, Kalervo Vaananen