Ethylene carbonate → Ethylene carbonate

HRID 247708Notes

Reaction equation

HRID 247708 reaction equation
[C:1]1(=[O:6])[O:5][CH2:4][CH2:3][O:2]1>C(O)CO>[C:1]1(=[O:6])[O:5][CH2:4][CH2:3][O:2]1.[C:1](=[O:5])=[O:2]

Participants

4

Reactant 1

HCID 7303Ethylene carbonate

Product 2

HCID 280Carbon DioxideYield 26.9%HCID 7303Ethylene carbonateYield 92.5%

Reagents, catalysts & solvents 1

HCID 174Ethylene GlycolSolvent

Conditions

Temperature
135 °C

Procedure

A 100:1 mole ratio of ethylene carbonate:monoethylene glycol is heated with stirring under a nitrogen atmosphere for 121 hours at 135° C. using 0.1 percent Na2SnO3.3H2O as catalyst to give 92.5 percent ethylene carbonate conversion to a poly(alkylene carbonate) polyol with 26.9 percent carbon dioxide.

Sources & evidence

ORD record
ord-9818f2d440c94e66beb956e8c8d5c486
Source dataset
uspto-grants-1987_11
Patent number
US04709069

Reaction notes

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