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Some O-fluoro alkyl N,N'-dialkyl isoureas are prepared by reacting fluorinated alcohols R F CH 2 CH 2 OH with dicyclohexyl- and diisopropyl-carbodiimides. N,N'-diisopropyl isoureas are checked as alkylation agents for amino acids and amines. They do not work at temperatures lower than 50 o C and decompose into urea and fluorinated olefin at higher temperatures. N,N'-diisopropylisoureas...
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