Dinuclear zinc(II) double-helicates of homochirally substituted bis(dipyrromethene)s |
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| Authors: | Wood Tabitha E Ross Avena C Dalgleish Nathan D Power Erin D Thompson Alison Chen Xiaoming Okamoto Yoshio |
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| Institution: | Department of Chemistry, Dalhousie University, Halifax, Nova Scotia B3H 4J3, Canada. |
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| Abstract: | structure: see text] A series of bis(dipyrromethene)s substituted with aromatic amide and aliphatic ester homochiral auxiliaries have been prepared and complexed with zinc(II) ions to form double-helical dinuclear complexes. CD analysis of the crude complexes revealed that the helicates formed in a diastereoselective manner. The helicates have been resolved into their constituent M and P helices by HPLC, indicating that the helical sense of the complexes is stable to racemization. |
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