Isolation of tetrahydrofuran from mixtures which contain...

C - Chemistry – Metallurgy – 07 – D

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260/373.5

C07D 307/08 (2006.01)

Patent

CA 2036627

A process is described for isolating tetrahydrofuran from mixtures containing tetrahydrofuran, 1,4-butanediol, ~-butyrolactone and succinic acid esters, in which the mixtures are heated to from 150 to 250°C in the presence of phyllosilicates, the resultant tetrahydrofuran and water of reaction are removed from the reaction mixture by distillation, and the tetrahydrofuran is separated from the distillate.

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