Crystal structures of the configurationally isomeric dimers of 4(e)-bromo-8-oxa-6-azabicyclo[3.2.1]octan-7-one.
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概要
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The crystal structures of the major(Major) and minor(Minor) components of the dimer obtained from the anionic reaction of the racemates of 4(<I>e</I>)-bromo-8-oxa-6-azabicyclo[3.2.1]octan-7-one (Br-BOL) have been determined by X-ray method. Crystal data are: (Major) P2<SUB>1</SUB>/<I>c</I>, <I>a</I>=10.852(3), <I>b</I>=5.207(3), <I>c</I>=22.146(5) Å, β=92.75(2)°, <I>Z</I>=4, <I>R</I>=0.083 for 1744 reflections; (Minor) P2<SUB>1</SUB>/<I>c</I>, <I>a</I>=16.825(5), <I>b</I>=7.844(3), <I>c</I>=11.483(3) Å, β=121.40(2)°, <I>Z</I>=4, <I>R</I>=0.038 for 2026 reflections. The structure of each dimer is constructed of an original Br-BOL skeleton at a terminus and an rearranged bicyclic skeleton at another terminus. The configuration of the chiral C atom contained in the rearranged skeleton of Major is different from that of Minor, when the chirarity of a terminal Br-BOL skeleton in Major is coincided with that in Minor.
- 公益社団法人 日本化学会の論文
著者
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Ashida Tamaichi
Department Of Biotechnology School Of Engineering Nagoya University
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Hashimoto Kazuhiko
Faculty Of Engineering Kougakuin University
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Yamane Takashi
Department of Applied Chemistry and Department of Synthetic Chemistry, Faculty of Engineering, Nagoya University
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Yamane Takashi
Department of Applied Chemisty, Faculty of Engineering, Nagoya University
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Honda Mitsuharu
Department of Applied Chemisty, Faculty of Engineering, Nagoya University
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Sumitomo Hiroshi
Department of Applied Chemisty, Faculty of Engineering, Nagoya University
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Hashimoto Kazuhiko
Faculty of Agriculture, Nagoya University
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Ashida Tamaichi
Department of Applied Chemisty, Faculty of Engineering, Nagoya University
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Ashida Tamaichi
Department of Applied Chemistry and Department of Synthetic Chemistry, Faculty of Engineering, Nagoya University
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