Chelates of lead (II) and bismuth (III) based on trans-di-N-picolinate tetraazacycloalkanes
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United States of America Patent
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Feb 6, 2018
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Jun 5, 2014
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Jun 6, 2013
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Abstract
The invention relates to a chelate resulting from the complexing of a trans-di-N-picolinate tetraazacycloalkane ligand with a metal cation, said ligand corresponding to formula (A) wherein n is equal to 0 or to 1, R is H or a C1-C18 alkyl radical, and R′ is H or a C1-C18 alkyl radical, said metal cation being a cation of a metal selected from the group consisting of lead (II) and bismuth (III). The invention is applicable in the field of lead trapping and alpha-radioimmunotherapy.
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