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A method for producing isocyanates and / or isothiocyanates and new halogen silyl carbamates
A method for producing isocyanates and / or isothiocyanates and new halogen silyl carbamates
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机译:一种生产异氰酸酯和/或异硫氰酸酯和新型卤代甲硅烷基氨基甲酸酯的方法
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摘要
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.
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