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    • 8. 发明授权
    • Time-release compositions for delivery of [Cr3O(carboxylate)6(H2O)3]+
    • 用于递送[Cr 3 O(羧酸酯)6(H 2 O)3] +的时间释放组合物
    • US07354953B2
    • 2008-04-08
    • US11392503
    • 2006-03-30
    • John B. Vincent
    • John B. Vincent
    • A61K31/28A61K33/24A61P3/10
    • A61K31/28A61K31/555A61K33/24Y10S514/866
    • A time release composition is provided containing: a chromium complex having formula 3 [Cr3O(carboxylate)6(ligand)3]+  (3) wherein carboxylate is a C2-C5 alkyl carboxylate and wherein ‘ligand’ is a ligand that (i) renders the chromium complex insoluble or only slightly soluble in water and (ii) is acid labile, being readily displaced under acidic conditions below pH=4 and replaced by water to make the resulting water soluble complex 2 [Cr3O(carboxylate)6(H2O)3]+,  (2) and the use of the time release composition for the time release delivery of complex 2.
    • 提供了一种时间释放组合物,其包含:具有式3的铬络合物<?in-line-formula description =“In-line formula”end =“lead”→[Cr 3 O(羧酸酯) (3)<?in-line-formula description =“In-line Formulas”end =“tail 其中羧酸酯是C 2 -C 5烷基羧酸酯,并且其中“配位体”是(i)使铬络合物不溶或仅微溶于水的配体,和(ii)酸不稳定,在酸性条件下易于置换 pH = 4并用水代替,得到的水溶性络合物2 <βin-line-formula description =“In-line Formulas”end =“lead”→[Cr 3 O(羧酸盐 )(2)&lt; 3&gt;(2)&lt;&lt; 3&gt;(2) =“在线公式”end =“tail”?>并且使用时间释放组合物来实现复制时间的传递2。