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Amyl acetate (pentyl acetate) is an organic compound and an ester with the chemical formula CH 3 COO[CH 2] 4 CH 3 and the molecular weight 130.19 g/mol. It has a scent similar to pears and apples. The compound is the condensation product of acetic acid and 1-pentanol.
A process for the synthesis of 2,4,4-trimethyl-2-pentanol from diisobutene via esterification hydration
PendingCN122102841Ahigh selectivityImprove one-way conversion ratesOrganic compound preparationCarboxylic acid esters preparationHydration reactionPtru catalyst
The application provides a method for synthesizing 2,4,4-trimethyl-2-pentanol from diisobutene by esterification hydration, comprising the following steps: S1, esterification hydration reaction: diisobutene, organic acid and water are reacted in the presence of a catalyst; S2, separation and recovery: S3, hydrogenation reaction: 2,4,4-trimethyl-2-pentyl acetate recovered in step S2.5 is subjected to catalytic hydrogenation to generate a hydrogenation reaction liquid containing 2,4,4-trimethyl-2-pentanol and ethanol; S4, the hydrogenation reaction liquid obtained in step S3 is separated, and TMPOL is synthesized by using the above method with the organic acid as a medium, the single-pass conversion rate of diisobutene can reach 50%, and the selectivity reaches 99%. The process has the characteristics of high efficiency and high atom economy, and has great industrialization potential.
Owner:CHANGZHOU RUIHUA CHEMICAL ENGINEERING TECHNOLOGY CO LTD