RADICAL POLYMERIZATION AND COPOLYMERIZATION OF 1-ALLENYLPYRROLE

1-Allenylpyrrole undergoes polymerization in the presence of AIBN as w ell as thermal (60 degrees C) and spontaneous (at room temperature) po lymerizations both at the 1,2- and 2,3-positions of alkenyl groups. Pr otopropic isomerization of olefinic fragments leads to polyconjugated (polyacetylenic) blocks. The ratio between the blocks of various struc tures was derived from the IR and NMR spectra of the polymers. The cop olymerization of 1-allenylpyrrole with 1-vinylpyrrolidone was studied, the reactivity ratios of the monomers were calculated, and the struct ure of the macromolecules was calculated.