Caprolactam → HCID 20196942, compound

Participants

Reaction Conditions

Reaction Steps

To the flask were added 0.01 g of dibutyltin dilaurate and then 17.0 g of hexamethylene diisocyanate to effect reaction with the polyoxytetramethylene di-ol. After stirring for 2 hours, 12.0 g of dry ε-caprolactam was added to the reaction mixture, and the inner temperature was raised up to 80° C., at which the reaction was continued for an additional 2 hours. There was obtained 129 g of carbamoyl caprolactam-terminated polyoxytetramethylene.

Provenance & Evidence