Living polymerization of 2-butyne using a well-characterized tantalum catalyst
The results demonstrate the feasibility of controlled polymerization of an acetylene using a relatively easily prepared, well-defined transition-metal catalyst and lend support to the metathesis mechanism for acetylene polymerization. Catalyst activity at 25°C is high, and an added bonus is the potential for endcapping poly(2-butyne) with interesting functionalities using the Wittig-like capping reaction. These results extend the list of living polymerizations by well-characterized transition-metal complexes.
Wallace,Liu,Davis,Schrock
p. 644 - 654
(2008/10/08)
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