Process for the preparation of trimethylene carbonate
AssigneeBoehringer Ingelheim GmbH
InventorsKlaus R. Muller, Berthold Buchholz, Joachim Hess
Life of this patent
Estimating the term…
Abstract
A process for producing trimethylene carbonate wherein 1,3-propanediol is reacted with diethylcarbonate in the presence of zinc powder, zinc oxide, tin powder, tin halide or an organo-tin compound, at an elevated temperature.
Claims10
A process for producing trimethylene carbonate wherein 1,3-propanediol is reacted with diethylcarbonate in the presence of zinc powder, zinc oxide, tin powder, tin halide or an organo-tin compound, at an elevated temperature.
A process for producing trimethylene carbonate wherein 1,3-propanediol is reated with diethylcarbonate in the presence of zinc powder, at a temperature between about 120.degree. and 180.degree. C.
Dependencies are inferred from the claim text.