abstract |
Covers compounds of the formula <IMAGE> where R'' is lower alkyl, R is hydrogen or lower alkyl and Y is selected from the group consisting of CN, CONH2, CO2R', CONR'2 and COR' where R' independently is hydrogen, lower alkyl or aryl. Also covers a method of producing a polyurethane by utilizing said above compounds as catalysts in reacting an organic polyisocyanate with an organic polyester polyol or polyether polyol in the presence of said catalyst. |