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. Abstnu, The present work describes the one-pot symhesis of an heptakis-{bipyridinyl-ureido)-p-cyclodextrin in a high coupling average (82%) by the "phosphinimine" approach. The subsequent complexation of J with EuCI] or TbCl] gives stable complexes 4. Preliminary results on complexation and fluorescence properties are reported, 1999.

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*. Corresponding, Fax: 33 (03); e-mail: marsura@srsmc.u-nancy.fr t Present address, PO Box, vol.1799, pp.40-4039

L. Jicsinszky, Catalytic transfer hydrogenation of cyclodextrin azides and benzylated glucose derivatives, Journal of Inclusion Phenomena and Molecular Recognition in Chemistry, vol.34, issue.3, pp.247-254, 1994.
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1. Nmr, Cla, C)b), 25°C), pp.172-171

O. Analn-h, Bis- [cyclomaltoheptaosyl-6-thioureido)-1,6-hexamethylenediamine White powder (0.182 g, 93%) TLC (dioxane:NH3 25% 25°C) 8 (ppm): 5.40-5 H h 5», C=S); IH NMR (CDCl)CH2 C),C 4 alkyl); FABMS (thioglycerol): 1379 [M-[NH-CHz-Cd)+2NaTCd-CHz-NH-Cs]+Na+j+, 1176 [Cd-CH 2 -NH-CS]+, pp.1-45