Process for producing a cyclic ether from an acetic ester of...

Details Process for producing a cyclic ether from an acetic ester of... Process for producing a cyclic ether from an acetic ester of...

Category

C - Chemistry, Metallurgy

Subcategory

07

Subsubcategory

D

CPC

202/57, 260/367.

IPC codes

C07D 307/08 (2006.01)

Type

Patent

Patent number

CA 1088084

Description

ABSTRACT OF THE DISCLOSURE A process for producing tetrahydrofuran or dihydrofuran from an acetic ester of 1,4-butanediol or 1,4-dihydroxytutene-2 is disclosed in which the raw material liquid acetic ester and steam are reacted in the presence of an acid catalyst in a plurality of reaction zones in liquid-gas countercurrent contact, a gaseous fraction containing the product cyclio ether is recycled to the preceding reaction zone while a liquid fraction con- taining unreacted raw material is transferred into the succeeding zone and the product cyclic ether is recovered from the gaseous fraction discharged from the first zone by distillation whereby the conversion of the acetic ester into the cyclic ether is improved. - 1 -

Application Number

271100

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