1-Hydroxy-omega-(alkyl- or arylphosphinico)alkane-1,1-diphosphonic acids, salts thereof, and processes for the preparation of these compounds

The present invention relates to 1-hydroxy- omega -(alkyl- or arylphosphinico)alkane-1,1-diphosphonic acids of the general formula I I and to the salts of these acids of the general formula II where, in these formulae, R1 denotes an alkyl radical having 1 to 6 carbon atoms, a cycloalkyl radical havi...

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Bibliographische Detailangaben
Hauptverfasser:	KLOSE, WERNER, KLEMP, HELMUT
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM ADHESIVES CHEMISTRY DYES HUMAN NECESSITIES HYGIENE MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE MEDICAL OR VETERINARY SCIENCE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC CHEMISTRY PAINTS POLISHES PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS
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Beschreibung
Zusammenfassung:	The present invention relates to 1-hydroxy- omega -(alkyl- or arylphosphinico)alkane-1,1-diphosphonic acids of the general formula I I and to the salts of these acids of the general formula II where, in these formulae, R1 denotes an alkyl radical having 1 to 6 carbon atoms, a cycloalkyl radical having 5 to 7 carbon atoms or an aryl radical having 6 to 10 carbon atoms, R2 denotes a straight-chain or branched alkylene radical having 1 to 6 carbon atoms and A denotes a monovalent equivalent of a cation of an inorganic or organic base. In addition, processes are described for the preparation of these novel compounds.