Design and synthesis of spiro bis(1,2,3-triazolium) salts as chiral ionic liquids |
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Authors: | Yasushi Yoshida Shinobu Takizawa Hiroaki Sasai |
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Affiliation: | The Institute of Scientific and Industrial Research (ISIR), Osaka University, Mihogaoka, Ibaraki-shi, Osaka 567-0047, Japan |
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Abstract: | Room temperature chiral spiro ionic liquids 1 and 2 based on 1,2,3-triazolium salts, were synthesized via an intramolecular double Huisgen reaction. The preparation of the enantiomerically pure spiro triazolium salts was achieved by resolution by HPLC using a chiral stationary phase column and subsequent N-dialkylations of spiro triazoles 6 and 10. |
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