N,N'-二置換チオ尿素類のジメチルスルホキシドによる酸化(ノート)
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概要
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The reaction of N, N'-dicyclohexylthiourea with excess dimethyl sulfoxide (DMSO) in the presence of hydrochloric acid gave 90% of N, N'-dicyclohexylurea together with dimethyl sulfide and sulfur. Similarly N-cyclohexyl-N'-isopropylurea, N-cyclohexyl-N'-<I>t</I>-butylurea, N, N'-di-<I>t</I>-butylurea, N, N'-di-<I>sec</I>-butylurea, N-<I>sec</I>-butyl-N'-isopropylurea and N-<I>sec</I>-butyl-N'-<I>t</I>-butylurea were obtained from the corresponding thioureas.
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