2002•Macromolecular Rapid CommunicationsRequires access
Living Anionic Polymerization of 2-Methyl-4- phenyl-1-buten-3-yne
Bungo Ochiai, Ikuyoshi Tomita, Takeshi Endo
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Abstract
The anionic polymerization behavior of 2-methyl-4-phenyl-1-buten-3-yne (2) was investigated to get information on the effect of substituent at the 2-position. The polymerization of 2 did not proceed in tetrahydrofuran at –78°C by lithium initiators, while sodium initiators can conduct the polymerization smoothly to give polymers consisting of a specific 1,2-polymerized unit. The living nature of the polymerization of 2 by diphenylmethylsodium was supported by the post-polymerization experiment.