DIVERGENT SYNTHESIS OF LOOPED POLY(ESTER)-AND POLY(ETHER)-SUBSTITUTED DENDRONS AND DENDRIMERS
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United States of America Patent
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Issued Date -
Apr 8, 2010
app pub date -
Dec 28, 2007
filing date -
Dec 29, 2006
priority date (Note) -
Abandoned
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Abstract
The present invention describes a process for preparing new looped dendrimer and dendron compounds by controlling the molar amount of branch cell reagent monomer that is combined with various cores bearing core-XR functionalities (e.g., primary, or secondary amines, thiol, or epoxy functionalities). These looped, macrocyclic structures are more robust to various conditions, with greater resistance to acid/base hydrolysis. Alternatively, the looped, macrocyclic structure may offer new orientations that would qualify it as a better chelation ligand for metals, and other similar uses.
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