Method for preparing prenol by isomerizing 3-methyl-3-butene-1-ethanol
A technology of prenol and isomerization, which is applied in the field of preparing prenol, can solve the problems of expensive catalyst operation, equipment requirements and high risk, and achieve the effect of simple and stable composition, high safety and low energy consumption
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[0021] Example 1 Take 100 g of 3-methyl-3-buten-1-ol (purity 98%) and 20 g of sodium hydroxide aqueous solution (concentration 30%), add a 250 mL reaction flask and heat to 80° C. and stir for 3 hours. Then take the reaction liquid, carry out rectification and separation, recover the reaction raw materials and remove part of the by-products. The purity of isopentenol is 98.25% and the yield: 30%. The recovered raw materials can continue the reaction.
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[0022] Example 2 has the same conditions as Example 1, but the catalyst is an aqueous sodium carbonate solution (concentration 30%). The purity of prenol is 98.15%, and the yield is 27%.
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[0023] Example 3 has the same conditions as Example 1, but the catalyst is 20 g of potassium carbonate solid, the purity of prenol is 98.32%, and the yield is 35%.
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