Highly sensitive chiral shift reagent bearing two zinc porphyrins |
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| Authors: | Ema Tadashi Ouchi Nozomi Doi Tokuhiro Korenaga Toshinobu Sakai Takashi |
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| Affiliation: | Department of Applied Chemistry, Faculty of Engineering, Okayama University, Tsushima, Okayama 700-8530, Japan. ema@cc.okayama-u.ac.jp |
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| Abstract: | A new type of chiral receptor (R,R)- or (S,S)-1b with C(2) symmetry was synthesized. An induced-fit type of binding behavior of 1b for diamines was revealed by CD spectroscopy. NMR studies demonstrated that 1b can function as a highly sensitive chiral shift reagent for the determination of the enantiomeric purity of chiral diamines, aziridine, and isoxazoline at the microgram level. [structure: see text] |
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