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End‐capped oligothiophenes—new model compounds for polythiophenes
Author(s) -
Bäuerle Peter
Publication year - 1992
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.19920040209
Subject(s) - polythiophene , thiophene , materials science , extrapolation , nickel , electrochemistry , coupling (piping) , ideal (ethics) , polymer chemistry , combinatorial chemistry , nanotechnology , electrode , organic chemistry , conductive polymer , polymer , chemistry , composite material , mathematical analysis , mathematics , metallurgy , philosophy , epistemology
New end‐capped oligothiophenes (see figure) have been synthesized via nickel‐catalyzed Grignard cross‐coupling reaction. Dueto the reactive positions in the terminal thiophene units being blocked it is possible to accurately characterize the spectroscopic and electrochemical properties of the materials. Estimation of the properties of an 'ideal' polythiophene consisting of 'infinite' chains can be made via extrapolation.