Synthesis and characterisation of strontium carboxylates formed at room temperature and under hydrothermal conditions
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Publication Details
Author list: Christgau S, Stahl K, Andersen JET
Publisher: Taylor and Francis Group
Place: ABINGDON
Publication year: 2006
Journal: Journal of Coordination Chemistry (0095-8972)
Journal acronym: J COORD CHEM
Volume number: 59
Issue number: 18
Start page: 2023
End page: 2030
Number of pages: 8
ISSN: 0095-8972
eISSN: 1029-0389
Languages: English-Great Britain (EN-GB)
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Abstract
A novel method was developed for the synthesis of highly pure strontium complexes in high yield. Syntheses proceeded along three pathways with optimum conditions being at T = 120-140 degrees C, a base : acid ratio of 1.2 and 15 min reaction-time in an autoclave vessel. Large crystals were readily obtained within hours. The crystal structures of strontium R-glutamate hexahydrate ( I) and strontium di( hydrogen S-glutamate) pentahydrate ( II) were determined by X- ray powder diffraction methods at 295K with Rietveld refinement ( I: Space group P2(1)2(1)2(1), Z = 4, a = 7.3519( 2), b = 8.7616(2), c = 20.2627( 5) angstrom; II: Space group P2(1), Z = 2, a = 8.7243( 1), b = 7.2635( 1), c = 14.6840( 2)angstrom, beta = 100.5414(7)degrees). Synthesis at room temperature provided four additional new strontium compounds that may be applicable as constituents of pharmaceutical products for the treatment of bone conditions.
Keywords
amino acids, anions, caboxylates, Strontium, X-ray diffraction
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