Molecular structure of the exo-Diels-Alder-adduct of 5-methoxy-2-methyl-4-(p-nitrophenyl)oxazole with N-methylmaleimide.

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概要

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• The molecular structure of the exo-Diels–Alder adduct of 5-methoxy-2-methyl-4-(<I>p</I>-nitrophenyl)oxazole with <I>N</I>-methylmaleimide was determined by X-ray analysis. The crystals are triclinic, space group <I>P</I>\bar1, with <I>a</I>=9.160(2), <I>b</I>=11.182(2), <I>c</I>=8.816(1) Å, α=92.39(1), β=116.47(1), γ=100.60(1)°, <I>Z</I>=2, <I>D</I><SUB>x</SUB>=1.455 Mg m<SUP>−3</SUP>, <I>D</I><SUB>m</SUB>=1.458 Mg m<SUP>−3</SUP>, μ(Cu <I>K</I>α)=9.76 cm<SUP>−1</SUP>. The configuration of the exo-adduct is consistent with that predicted on the basis of the NMR data.

• 公益社団法人 日本化学会の論文

著者

• TOYODA Jiro

  Institute for Molecular Science

• Ibata Toshikazu

  Institute Of Chemistry College Of General Education Osaka University

• TAMURA Hatsue

  Institute of Chemistry, College of General Education, Osaka University

• Ogawa Kazuhide

  Institute of Chemistry, College of General Education, Osaka University

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