Synthesis and structure characterization of unsymmetrical oxacalix[2]benzene[2]pyrazines |
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| Authors: | Mei Li |
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| Institution: | Division of Supramolecular Chemistry and Medicinal Chemistry, Key Laboratory of Brain Functional Genomics, MOE & STCSM, Shanghai Institute of Brain Functional Genomics, East China Normal University, Shanghai 200062, China |
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| Abstract: | The synthesis of two unsymmetrically linked oxacalix2]benzene2]pyrazines (1 and 2) is described. X-ray single crystal structure analysis revealed a highly distorted 1,3-alternate conformation of compound 1 (containing ortho- and meta-diphenol components) and a distorted boat conformation of compound 2 (containing meta- and para-diphenol components). Oxacalix2]benzene2]pyrazine containing both ortho- and para-diphenol components was not obtained via similar synthetic strategy. |
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