Processes for the preparation of cyclic ethers

Details Processes for the preparation of cyclic ethers Processes for the preparation of cyclic ethers

1992-08-27

1993-09-21

Ivy, C. Warren

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D30514

Patent

active

052471039

ABSTRACT:
A process for preparing cyclic ethers which comprises contacting a carboxylated ether with a mixed metal oxide catalyst under conditions effective to produce the cyclic ether.

REFERENCES:
March, J., Advanced Organic Chemistry: Reactions, Mechanisms, and Structure, 1968, pp. 435-436, 477-480, 878-879 and 316.
Tamura, Y. et al., Synthesis, 1975, pp. 641-642.
Enichem Synthesis SpA, Dimethyl Carbonate Product Bulletin, p. 10. Prior to Jan. 1982.
Taylor, Roger, Tetrahedron Letters, No. 8, 1975, pp. 593-596.
Witt, H. et al., Agnew. Chem., 1970, 82, p. 79.
Tundo, Pietro et al., Ind. Eng. Chem. Res., 1988, 27, pp. 1565-1571.
Dow Chemical U.S.A., Experimental Ethylene Carbonate XAS-1666.00L Product Bulletin (1982), p. 12.
Texaco Chemical Company, TEXACAR.RTM. Ethylene and Propylene Carbonates Product Bulletin (1987), p. 24.
Carothers, W. H., et al., J. Am. Chem. Soc., 52, 1930, pp. 314-326.

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