Functionalized oxazoles from rhodiumi-catalyzed reaction of dimethyl diazomalonate with nitriles |
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| Affiliation: | Department of Chemistry, University of Notre Dame Notre Dame, Indiana 46556 U.S.A.;Royal Institute of Technology, Department of Organic Chemistry S-100 44 Stockholm, Sweden |
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| Abstract: | Rhodium(II) acetate catalyzes the reaction of dimethyl diazomalonate with nitriles to give 4-carbomethoxy-5-methoxy-1,3-oxazo1es. Oxazole formation exceeds cyclopropane formation even in cases of conjugated and non-conjugated unsaturated nitriles. |
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