Halosilyl carbamates

Details Halosilyl carbamates Halosilyl carbamates

1976-05-17

1977-12-20

Torrence, Dolph H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260453P, 260295R, 260307R, 260302E, 26032622, 260329ME, 2603458R, 2603474, C07C11800, C07F 710

Patent

active

040641511

ABSTRACT:
Isocyanates are prepared directly from amines in a facile process which involves the reaction with halosilyl compounds to form novel halosilyl carbamates. The isocyanate may then be derived from the carbamate 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.

REFERENCES:
mironov et al.: Russian Journal of General Chemistry, vol. 43, p. 2077 (1973).

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