Organic compounds -- part of the class 532-570 series – Organic compounds – Carbonate esters
Patent
1989-08-25
1993-02-02
Prescott, Arthur C.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carbonate esters
C07C 6900
Patent
active
051839180
ABSTRACT:
The invention relates to a process of producing carbonate esters wherein an alkyl chloroformate is reacted with a phenolsulfonate in an alkaline medium and discloses the improvement whereby dialkylcarbonate formation is reduced by adding an acidifying agent to the reaction mixture after the reaction and before precipitation of the alkylsulfophenyl carbonate.
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patent: 3240796 (1966-03-01), Thoma et al.
patent: 3256198 (1966-06-01), Matzner
patent: 3272750 (1966-09-01), Chase
patent: 3275674 (1966-09-01), Bottenbruch et al.
patent: 4681592 (1987-07-01), Hardy et al.
Jakse Frank P.
Morris Donald E.
Vanderlinde William
Garner Y.
Monsanto Company
Prescott Arthur C.
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