A kind of directional synthesis compound clcn and its application in anti-hepatocellular carcinoma drugs
A technology for directional synthesis and compound application in anti-tumor drugs, drug combinations, sugar derivatives, etc., can solve the problems of insignificant early symptoms of liver cancer, unsatisfactory effects, and unsuitable patients, and is conducive to industrial production and cost. Low, simple synthesis process effect
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Embodiment 1
[0034]Weigh 5 mg of liquiritigenin and dissolve it in 5 mL of dichloromethane solution, add 2 mL of carbon tetrabromide, then slowly add 2 mL of triphenylphosphine in dichloromethane solution dropwise in an ice bath, filter the reaction solution after the reaction is complete, and concentrate the filtrate Afterwards, reactant A was obtained by concentration and crystallization through silica gel column chromatography (petroleum ether: chloroform-2:3), with a yield of 87.8%. Weigh 2 mg of reactant A and 9 mg of KOH, place them in a dry round bottom flask, add 10 mL of tetrahydrofuran, reflux at 90 ° C for 8 h, cool to room temperature after the reaction, add p-20 mL of toluenesulfonyl chloride for 6 h, Collect the reaction liquid, remove the reaction solvent tetrahydrofuran by rotary evaporation, add water to dissolve, collect the filter residue by filtration, dry and crystallize, and obtain reactant B. The yield was 88.7%. Weigh 10mg of reactant B and 18mg of cordycepin, put ...
Embodiment 2
[0036] Weigh 4 mg of liquiritigenin and dissolve it in 4 mL of dichloromethane solution, add 1 mL of carbon tetrabromide, then slowly add 1 mL of triphenylphosphine in dichloromethane solution dropwise in an ice bath, filter the reaction solution after the reaction is complete, and concentrate the filtrate Afterwards, reactant A was obtained by concentrated crystallization through silica gel column chromatography (petroleum ether: chloroform-2:3), and the yield was 86.8%. Weigh 2mg of reactant A and 8mg of KOH, put them in a dry round bottom flask, add 5mL of tetrahydrofuran, reflux at 70°C for 5h, cool to room temperature after the reaction, add p-20mL of toluenesulfonyl chloride for 6h, Collect the reaction liquid, remove the reaction solvent tetrahydrofuran by rotary evaporation, add water to dissolve, collect the filter residue by filtration, dry and crystallize, and obtain reactant B. The yield was 88.5%. Weigh 10mg of reactant B and 18mg of cordycepin, put them in a dry...
Embodiment 3
[0038] Weigh 5 mg of liquiritigenin and dissolve it in 6 mL of dichloromethane solution, add 2 mL of carbon tetrabromide, then slowly add 2 mL of triphenylphosphine in dichloromethane solution dropwise in an ice bath, filter the reaction solution after the reaction is complete, and concentrate the filtrate Afterwards, reactant A was obtained by concentrated crystallization through silica gel column chromatography (petroleum ether: chloroform-2:3), and the yield was 88.1%. Weigh 2 mg of reactant A and 8 mg of KOH, place them in a dry round-bottomed flask, add 8 mL of tetrahydrofuran, reflux at 90 ° C for 4 h, cool to room temperature after the reaction, add p-20 mL of toluenesulfonyl chloride for 6 h, Collect the reaction liquid, remove the reaction solvent tetrahydrofuran by rotary evaporation, add water to dissolve, collect the filter residue by filtration, dry and crystallize, and obtain reactant B. The yield was 88.9%. Weigh 10mg of reactant B and 18mg of cordycepin, put t...
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