Method of zyme catalyzing cyclo-olefin oxidation
A technology for epoxidation and epoxy compounds, which is applied in the field of bromoperoxidase to catalyze the epoxidation of olefins, can solve the problems of no olefins, etc., and achieve the effects of avoiding potential pollution, saving resources, and reducing waste water discharge
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Embodiment 1
[0016] Add 10 mg of bromoperoxidase to 50 ml of PBS buffer solution with pH=4, add 2 mol of cyclohexene, and when the temperature is 25°C, add 1 mol of hydrogen peroxide to start the reaction, stir for 2 hours, let stand to take the organic phase, Perform chromatographic analysis. The yield of epoxycyclohexane to hydrogen peroxide is 100%, and the selectivity of epoxycyclohexane is 90%.
Embodiment 2
[0018] Add 100 mg of bromoperoxidase to 200 ml of citric acid buffer solution with pH=7, then add 5 mol of cyclohexene, at a temperature of 70° C., start the reaction by feeding 3 mol of oxygen at a rate of 20 ml / min, and stir for 9 hours. Stand still to take the organic phase for chromatographic analysis. The yield of epoxycyclohexane to hydrogen peroxide is greater than 50%, and the selectivity of epoxycyclohexane is 85%.
Embodiment 3
[0020] Reuse the enzyme and buffer system separated from the reaction product after the reaction in Example 2, add 2 mol cyclohexene at a temperature of 70°C, add 0.5 mol to start the reaction, stir for 9 hours, let stand to take the organic phase, and perform chromatography analyze. The yield of epoxycyclohexane to hydrogen peroxide is 50%, and the selectivity of epoxycyclohexane is 90%.
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