2012
DOI: 10.1016/j.jpba.2012.04.029
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Isolation and structure characterization of related impurities in Sodium Tanshinone IIA Sulfonate by LC/ESI-MSn and NMR

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Cited by 14 publications
(5 citation statements)
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“…1A), a water-soluble derivative of tanshinone IIA, is synthesized and widely used for treatment of cardiovascular diseases [16,20]. However, various impurities are formatted in the process of storage or synthesis of STS [22,23]. In our present study, an array of compounds are derived from sodium 9-hydroxyltanshinone IIA sulfonate, which is one of major impurities of STS during storage [23].…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…1A), a water-soluble derivative of tanshinone IIA, is synthesized and widely used for treatment of cardiovascular diseases [16,20]. However, various impurities are formatted in the process of storage or synthesis of STS [22,23]. In our present study, an array of compounds are derived from sodium 9-hydroxyltanshinone IIA sulfonate, which is one of major impurities of STS during storage [23].…”
Section: Introductionmentioning
confidence: 99%
“…However, various impurities are formatted in the process of storage or synthesis of STS [22,23]. In our present study, an array of compounds are derived from sodium 9-hydroxyltanshinone IIA sulfonate, which is one of major impurities of STS during storage [23]. We conduct several biological evaluations of these compounds, and in the course of these evaluations, a novel derivative sodium 9-acetoxyltanshinone IIA sulfonate (ZY-1A4, Fig.…”
Section: Introductionmentioning
confidence: 99%
“…As an injection, STS is widely and successfully used in China for treating cardiovascular diseases. In the analysis of STS bulk drug, eight related impurities were observed and isolated by column chromatography, which structure was established employing a combined NMR and LC-ESI/MS approach [92]. NMR experiments ( 1 H, 13 C, HMBC, HSQC, COSY) were crucial for unequivocally establishing structural features, where MS was not useful, allowing to propose a possible mechanism for the formation of the impurities.…”
Section: Impurities Resulting From Isolation In Naturally Occurring Apismentioning
confidence: 99%
“…Because terpenoids generally have low polarity, they are often extracted with chloroform, ethyl acetate or petroleum ether. For some slightly more polar compounds, the plant roots are usually first degreased and then extracted with a polar solvent such as acetone (Wang et al, 2012) and n-butanol (Pang et al, 2016). Although the alcohol extraction method is a relatively traditional extraction process, it is still widely used in the market for its simple and easy operation, and modern ideas have been incorporated to optimize the method.…”
Section: Extraction and Separation Methods Of Tanshinonesmentioning
confidence: 99%