Process for the manufacture of 2,5-dihydrofurans from .gamma., .

Details Process for the manufacture of 2,5-dihydrofurans from .gamma., . Process for the manufacture of 2,5-dihydrofurans from .gamma., .

1995-02-13

1995-11-14

Ivy, C. Warren

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549507, C07D30728, C07D49300

Patent

active

054668328

ABSTRACT:
Disclosed is a process for the preparation of 2,5-dihydrofurans by the homogeneous, liquid phase isomerization of .gamma.,.delta.-epoxyalkene compounds wherein a .gamma.,.delta.-epoxyalkene compound is isomerized in an inert, organic solvent containing a catalytic amount of a soluble copper salt. The process is particularly useful for the conversion of 3,4-epoxy-1-butene to 2,5-dihydrofuran.

REFERENCES:
patent: 5081096 (1992-01-01), Monnier et al.
patent: 5082956 (1992-01-01), Monnier et al.
patent: 5238889 (1993-08-01), Falling et al.
patent: 5315019 (1994-05-01), Phillips et al.

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