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1,3-dipolar cycloaddition between racetyl-heptakis-6-azido-6-deoxy-bet
a-cyclodextrin and the dimethylester of 2-butyne dicarboxylic acid is
a highly efficient route for the introduction of seven 1,2,3-triazole
heterocycles and fourteen carboxyl groups on the small rim of the macr
ocycle. (C) 1997 Published by Elsevier Science Ltd.