Bicyclic amide acetals are prepared from organic nitriles...

Details Bicyclic amide acetals are prepared from organic nitriles... Bicyclic amide acetals are prepared from organic nitriles...

C - Chemistry, Metallurgy

07

D

260/299

C07D 498/04 (2006.01)

Patent

CA 1283415

A B S T R A C T An improved process as described for preparing bicyclic amide acetals from an organic nitrile and a dialkanol amine, wherein the reaction temperature is maintained in the range of from room temperature to 140°C. The resulting bicyclic amide acetal product is removed from the reaction mixture by extraction into a hydrocarbon or organic nitrile solvent prior to its purification. These acetals were found to be particularly suitable as chemical intermediates in the preparation of polyurethanes, epoxy resins and the like.

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