C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 69/14 (2006.01) C07C 67/04 (2006.01)
Patent
CA 2182558
This invention relates to a process for the production of lower aliphatic esters by reacting a lower olefin with a saturated lower aliphatic mono- carboxylic acid in the vapour phase in the presence of a heteropolyacid catalyst characterised in that an amount of water in the range from 1-10 mole % based on the total of the olefin, aliphatic mono-carboxylic acid and water is added to the reaction mixture during the reaction. The presence of water enhances the yield of the desired ester. The reaction mixture may optionally contain a di-ether to minimise the by- products. The process is particularly suitable for producing ethyl acetate from ethylene and acetic acid in the presence of water.
Atkins Martin Philip
Sharma Bhushan
Bp Chemicals Limited
Fetherstonhaugh & Co.
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