Method for preparing halosilyl carbamates and isocyanates...

Details Method for preparing halosilyl carbamates and isocyanates... Method for preparing halosilyl carbamates and isocyanates...

C - Chemistry, Metallurgy

07

F

260/446

C07F 7/10 (2006.01) C07F 7/02 (2006.01) C07F 7/18 (2006.01)

Patent

CA 1096876

ABSTRACT OF THE DISCLOSURE Isocyanates are prepared directly from amines in a facile process which involves the reaction with halosilyl compounds to form novel halosilyl carbamates. The iso- cyanate may then be derived from the carbamates intermediate by gentle heating. In accordance with one aspect of the invention, isocyanates can be formed which contain a further reactive functional moiety, such as hydroxyl, amino, mercapto, nitro, sulfonamido, amido, carboxyl or the like.

278460

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