Preparation of tetrahydrofuran

Details Preparation of tetrahydrofuran Preparation of tetrahydrofuran

1975-05-28

1978-11-07

Jiles, Henry R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D30708

Patent

active

041246004

ABSTRACT:
Tetrahydrofuran is prepared by the vapor phase reaction of a compound selected from 1,4-butanediol, monoesters of 1,4-butanediol, diesters of 1,4-butanediol and mixtures thereof in the presence of water and an acid catalyst wherein the catalyst is selected from phosphoric acid on a suitable support and eta alumina at a temperature of from about 200.degree. to about 325.degree. C followed by the recovery of the tetrahydrofuran by distillation.

REFERENCES:
patent: 2251835 (1941-08-01), Reppe et al.
patent: 2251895 (1941-08-01), Reppe et al.
patent: 3165536 (1965-01-01), Strohmeyer
patent: 3346336 (1967-10-01), Hayes
patent: 4010171 (1977-03-01), Smith
patent: 4011244 (1977-03-01), Smith
Zhdanov et al., Chem. Abstr. vol. 45 (1951) 8863i.

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