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Oligomers and Cyclooligomers of Rigid Phenylene–Ethynylene–Butadiynylenes: Synthesis and Self‐Assembled Monolayers
Author(s) -
Jester StefanS.,
Shabelitalia,
Le Blanc Stephan M.,
Höger Sigurd
Publication year - 2010
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201001625
Subject(s) - monolayer , chemistry , phenylene , combinatorial chemistry , palladium , adsorption , polymer chemistry , catalysis , computer science , materials science , nanotechnology , organic chemistry , polymer
Starting from the same bisacetylene , different reaction conditions (palladium or copper catalysis) selectively yielded cyclic or acyclic oligomers with n =2–6 (see picture for n =3) linked by freely rotating corner units. STM images of self‐assembled monolayers revealed the difference in the adsorption behavior of the acyclic and cyclic oligomers.