| abstract |
The present invention relates to the use of 1, of formula I and / or II, at a temperature of 20 to 300 ° C. and a pressure of 1 to 300 bar in the presence of a catalyst or mixture of catalysts capable of hydrogenation and comprising components having an acidic or basic A method for producing tetrahydrofuran by reacting 4-butenediol diether with water and hydrogen. The present invention also relates to a novel process for preparing 1,4-butenediol diether of formula (I) by metathesis.n n n <Formula I>n n n n n n n n <Formula II>n n n n n n n n Wherein R can be the same or different and is a C 1 -C 15 -alkyl or cycloalkyl group, a C 6 -C 12 -aryl group or a C 7 -C 15 -aralkyl group. |