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Photoreactive polyarylenevinylenes: Synthesis, characterization and photochemistry
Author(s) -
MauermannDüll Heike,
Böhm Arno,
Fiesser Gerold,
Müllen Klaus
Publication year - 1996
Publication title -
macromolecular chemistry and physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.57
H-Index - 112
eISSN - 1521-3935
pISSN - 1022-1352
DOI - 10.1002/macp.1996.021970201
Subject(s) - monomer , biphenyl , polymer chemistry , aryl , reactivity (psychology) , cycloaddition , heck reaction , photochemistry , chemistry , olefin fiber , solubility , phenylene , polymerization , materials science , catalysis , organic chemistry , polymer , alkyl , medicine , alternative medicine , pathology
The substitution of every second phenylene subunit in the well‐known poly( p ‐phenylenevinylene) (PPV) by o , o ′‐bridged biphenyl moieties leads to the novel poly(1,4‐phenylenevinylene‐2,2′‐biphenylylenevinylene) (PPVBV, 5) which can be prepared by palladium‐catalyzed aryl‐olefin coupling (Heck reaction). PPVBV possesses a high solubility in common organic solvents and good filmforming capabilities. It exhibits a thermochemical and photochemical reactivity comparable to that of the monomeric model compound 2,2′‐distyrylbiphenyl ( 3 ), which undergoes a [2+2]cycloaddition upon heating or irradiation.