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An amphiphilic lutetium bisphthalocyanine: Lu[(PEO)4Pc] [(DodO)4Pc]

Abstract : The synthesis of an amphiphilic lutetium bisphthalocyanine is described. One phthalocyanine of the sandwich complex bears four hydrophobic chains (C12H25O = DodO), and the other bears four hydrophilic polyether groups (CH3(OCH2CH2)(n)O = PEO). The molecule has been characterized by 1H NMR and ESI mass spectrometry. The mean value for n, the number of polyethyleneoxy units in the starting PEOH, is 8 with a Gaussian distribution around that value; however, for the most abundant lutetium bisphthalocyanine, 4n = 26. On the spectrum, the peak corresponding to the adduct with two Na+ is higher than the one of the singly charged ion, a result of the affinity of polyethers for alkali ions.
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https://hal.univ-brest.fr/hal-01771404
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Submitted on : Thursday, April 19, 2018 - 2:49:51 PM
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C. Cadiou, A. Pondaven, M. l'Her, P. Jéhan, P. Guenot. An amphiphilic lutetium bisphthalocyanine: Lu[(PEO)4Pc] [(DodO)4Pc]. Journal of Organic Chemistry, 1999, 64, pp.9046--9050. ⟨10.1021/jo990793b⟩. ⟨hal-01771404⟩

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