Facile synthesis of urea derivatives und
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Takumi Mizuno; Manabu Matsumoto; Ikuzo Nishiguchi; Tsuneaki Hirashima
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Article
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1993
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John Wiley and Sons
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English
β 287 KB
## Abstract Urea derivatives were readily synthesized in good yields under quite mild conditions, i.e., at ambient pressure and room temperature by sulfurβassisted carbonylation of primary amines with carbon monoxide followed by oxidation of the resulting ammonium thiocarbamates with molecular oxyg