Process for producing carbonic ester

Details Process for producing carbonic ester Process for producing carbonic ester

2002-12-27

2008-10-14

Seaman, D. Margaret (Department: 1625)

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

Organic compounds

Carbonate esters

C558S270000

Reexamination Certificate

active

07435842

ABSTRACT:
A method for producing a carbonic ester, comprising (1) performing a reaction between an organometal compound having a metal-oxygen-carbon linkage and carbon dioxide to obtain a reaction mixture containing a carbonic ester formed by the reaction, (2) separating the carbonic ester from the reaction mixture to obtain a residual liquid, and (3) reacting the residual liquid with an alcohol to form an organometal compound having a metal-oxygen-carbon linkage and form water and removing the water from the organometal compound, wherein the organometal compound obtained in step (3) is recovered for recycle thereof to step (1).

REFERENCES:
patent: 54-3012 (1979-01-01), None
patent: 58-134053 (1983-08-01), None
patent: 6-262085 (1994-09-01), None
patent: 7-33715 (1995-02-01), None
patent: 2001-247519 (2001-09-01), None
patent: 6612421 (1967-03-01), None
Yamazaki et al. (Industrial & Engineering Chemistry Product Research and Development, 1979, 18(4), 249-252.
Kizlink ( Collect. Czech. Chem. Commun. 1993, 58, 1399-1402.
T. Sakakura et al., Polyhedron 19:573-576 (2000).
Yamazaki et al., Ind. Eng. Chem. Prod. Res. Dev., vol. 18, No. 4, pp. 249-252 (1979).
Kizlink et al., Collect. Czech. Chem. Commun., vol. 58, pp. 1399-1402 (1993).
Sakai et al., J. Org. Chem., vol. 36, No. 9, pp. 1176-1180 (1971).
Davies et al., J. of Organometallic Chemistry, vol. 256, pp. 251-260 (1983).
English language abstract of JP 54 063023 A (May 21, 1979).

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