Metal-free photoinduced decarboxylative
radical polymerization
of aliphatic carboxylic acids with a variety of monomers was found
to proceed smoothly to give the corresponding polymers under mild
conditions. Complex carboxylic acids such as those of sugars, steroids,
and peptides can function as benign radical initiators via decarboxylation
and can be incorporated at the polymer chain ends. This synthetic
methodology represents a facile introduction of molecules and functionalities
to polymers by using commercially available carboxylic acids.
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