Process for making alkylene carbonates

Details Process for making alkylene carbonates Process for making alkylene carbonates

1981-02-02

1982-08-17

Milestone, Norma S.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549230, C07D31738, C07D31736

Patent

active

043448810

ABSTRACT:
A lower alkyl trichloroacetate and a vicinal alkylene diol react when heated together in the presence of a weak base to produce chloroform, a lower alkanol, and the cyclic alkylene carbonate. The chloroform and lower alkanol distill from the reaction mixture substantially as formed and the alkylene carbonate is readily separable from the residual mixture.

REFERENCES:
patent: 4061664 (1977-12-01), Wood
Carl R. Noller, Chemistry of Organic Compounds, 2nd ed. (1957), pp. 310 and 741.
Kadaba et al., J. Org. Chem., 25, 1431-1433 (1960).

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