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Shape‐Persistent Phenylene‐Acetylene Macrocycles: Large Rings—Low Yield?
Author(s) -
Höger Sigurd
Publication year - 2005
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.200500681
Subject(s) - acetylene , yield (engineering) , phenylene , simple (philosophy) , chemistry , materials science , organic chemistry , composite material , polymer , philosophy , epistemology
Reversibility makes the difference : 30 years after Staab reported the synthesis of the phenylene‐acetylene macrocycle 1 in 4.6 % yield starting from a simple precursor (see scheme), these structures are now available in nearly 80 % yield, also from simple precursors.