Succinic acid trelagliptin raw medicine and HPLC analysis method of preparation enantiomer thereof
A technology of troxagliptin succinate and enantiomers, which is applied in the field of HPLC analysis of the enantiomers of troxagliptin succinate raw materials and its preparations, can solve problems such as no clear reference significance, and achieve Good separation, high sensitivity, accurate and reliable results
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Embodiment 1
[0053] 1. Instruments and conditions
[0054] Instrument: Agilent1260 DAD detector, electronic analytical balance
[0055] Chromatographic column: AD-H chiral chromatographic column 4.6×250mm, 5μm
[0056] Column temperature: 30°C
[0057] Mobile phase 1: ethanol-diethylamine (100:0.1), solvent: methanol
[0058] Flow rate: 0.4ml / min
[0059] 2. Experimental steps
[0060] Accurately weigh about 2.5 mg of S-Trexagliptin reference substance (batch number: 140527-4 source: Jiangsu Kefeiping Pharmaceutical Co., Ltd.) into a 5ml measuring bottle, add methanol to dissolve and dilute to the mark, shake well, and use as impurity 4 stock solution. Accurately weigh about 25mg of the reference substance of troxagliptin succinate (batch number: 140802, source: Jiangsu Kefeiping Pharmaceutical Co., Ltd.), weigh it accurately, put it in a 25ml measuring bottle, and precisely add the above S-trexagliptin stock solution 1ml, add methanol to dilute to the mark, shake well, as a system s...
Embodiment 2
[0063] 1. Instruments and conditions
[0064] Instruments: DIONEX Ultimate 3000, Chromeleon 6.8 workstation, electronic analytical balance
[0065] Chromatographic column: AD-H chiral chromatographic column 4.6×250mm, 5μm
[0066] UV detection wavelength: 278nm
[0067] Column temperature: 30°C
[0068] Flow rate: 0.4ml / min
[0069] Mobile phase 2: ethanol-n-propylamine (100:0.1), solvent: methanol
[0070] Mobile phase 3: ethanol-methanol-n-propylamine (95:5:0.1), solvent: methanol
[0071] Mobile phase 4: ethanol-ethanolamine (100:0.1), solvent: methanol
[0072] Mobile phase 5: ethanol-methanol-ethanolamine (95:5:0.1), solvent: methanol
[0073] 2. Experimental steps
[0074] For the system suitability solution, see the experimental procedure of Example 1 above, and for the chromatogram, see Figure 2-Figure 5 .
Embodiment 3
[0076] Determination of Enantiomers of Trexagliptin Succinate
[0077] 1. Instruments and conditions
[0078] Instruments: DIONEX Ultimate 3000, Chromeleon 6.8 workstation, electronic analytical balance
[0079] Chromatographic column: AD-H chiral chromatographic column 4.6×250mm, 5μm
[0080] UV detection wavelength: 278nm
[0081] Mobile phase: ethanol-ethanolamine (100:0.1), solvent: methanol
[0082] Column temperature: 30°C
[0083] 2. Experimental steps
[0084] Take about 10mg of troxagliptin succinate, put it in a 10ml measuring bottle, add methanol and dilute to the mark, shake well, as the test solution, accurately measure 1ml of the test solution, put it in a 200ml measuring bottle, add methanol to dilute to the mark as a control solution. Precisely measure 10 μl of the control solution and inject it into the liquid chromatograph, adjust the sensitivity of the detector so that the peak height of the main component chromatographic peak is 10% to 20% of the full...
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