Anticancer analgesic selenium-containing compound and preparation method and application thereof
A technology of selenium compounds and mixtures, applied in the field of medicine, can solve the problems of poor cancer pain effect and low analgesic intensity, etc.
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Embodiment 1
[0057] The preparation of embodiment 1 rotundine selenite
[0058] Weigh 22.2 grams of selenium dioxide, add 500 milliliters of deionized water to dissolve, add 71.1 grams of garotondine, stir and dissolve at room temperature. The solvent was removed by freeze-drying to obtain rotundine selenite.
[0059] Heavy water (D 2 O) in 1 HNMR: δ(ppm) 7.1580~7.1029(2H,d), 6.9560(1H,S), 6.8987(1H,S), 4.5006~4.3766(2H,dd), 4.1430~4.0978(1H,d), 3.9491~3.9104 (1H,p),3.8973(3H,s),3.8926(3H,s),3.8604(3H,s),3.8390(3H,s),3.7489~3.6513(1H,p),3.5014~3.4354(1H,p ), 3.3118~3.2563 (1H, p), 3.1589~2.9861 (2H, p).
[0060] Heavy water (D 2 O) in 77 SeNMR: δ (ppm) 32.27.
[0061] Element content: C, 52.01; H, 5.57; N, 2.91; O, 23.16; Se, 16.37; theoretical value: C, 52.07; H, 5.62; N, 2.89; O, 23.12;
Embodiment 2
[0062] The preparation of embodiment 2 dirotundine selenite
[0063] Weigh 22.2 grams of selenium dioxide, add 1000 milliliters of deionized water to dissolve, add 142.2 grams of garotondine, stir and dissolve at room temperature. The solvent was removed by freeze-drying to obtain dirotundine selenite.
[0064] Element content: C, 60.13; H, 6.20; N, 3.38; O, 21.02; Se, 9.45; theoretical value: C, 60.07; H, 6.24; N, 3.34; O, 20.96;
Embodiment 3
[0065] The preparation of embodiment 3 selenic acid
[0066] Dissolve 15 grams of selenium dioxide in 10 milliliters of water, add 500 grams of hydrogen peroxide with a content greater than 30%, reflux for 12 hours, then distill under reduced pressure at a pressure of 133.3 to 233.6 Pa to 433K for dehydration, and cool the obtained concentrated solution to 283 to 288K to add Solid selenic acid crystal, the product is dried below 666.6Pa.
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