Process for the preparation of organic carbonates having at leas

Details Process for the preparation of organic carbonates having at leas Process for the preparation of organic carbonates having at leas

1993-05-25

1994-11-08

Dees, Jose G.

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

Organic compounds

Carbonate esters

558271, C07C 6996

Patent

active

053629019

ABSTRACT:
The title compounds are prepared from organic carbonates having at least one aliphatic ester group and phenolic compounds by transesterification in the presence of a transesterification catalyst known per se at 60.degree.-320.degree. C. in a column-type reactor with multiple recycling of the reaction products into this reactor with intermediate storage of the product streams.

REFERENCES:
patent: 4410464 (1993-10-01), Hallgren
patent: 5008046 (1991-04-01), Bremus et al.
patent: 5210268 (1993-05-01), Fukuoka et al.

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