Synthesis and uses of serial ion liquid as candidate drug with anticancer activity
An anti-cancer activity, ionic liquid technology, applied in the direction of organic active ingredients, drug combinations, medical preparations containing active ingredients, etc.
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Embodiment 1
[0124] Example 1: Synthesis of 1,2,3,4-tetramethyl-5,6-dihexylguanidine bromide ionic liquid: (compound 1) tetramethylguanidine 10mmol, potassium carbonate 20-30mmol, n-bromohexyl Dissolve 20-30mmol of alkane in 20-100mL of acetonitrile and reflux for 10-30h. The reaction mixture was cooled, 50-100 mL of water, 50-100 mL of 25-35% (Wt%) NaOH solution were added, and petroleum ether (15-30 mL×3) was added to extract unreacted alkyl halides. The petroleum ether was back-extracted with water, the aqueous solutions were combined, and 10-30 mL of a saturated aqueous solution of sodium bromide was added. use CH 2 Cl 2 (25mL×3) extract the above aqueous solution, combine the organic phases, and use anhydrous Na 2 SO 4 dry. The solvent was removed by rotary evaporation to obtain the crude product. The crude product was recrystallized from ethyl acetate / acetonitrile to obtain the target product.
Embodiment 2
[0125] Example 2: Synthesis of 1,2,3,4-tetramethyl-5,6-diheptylguanidine bromide ionic liquid: (compound 2)
[0126] Adopt the synthetic method of example 1 to carry out, and starting material adopts n-bromoheptane to replace n-bromohexane.
Embodiment 3
[0127] Example 3: Synthesis of 1,2,3,4-tetramethyl-5,6-dioctylguanidine bromide ionic liquid: (compound 3)
[0128] Adopt the synthetic method of example 1 to carry out, and starting material adopts n-bromooctane to replace n-bromohexane.
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