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Azulenophenanthrenes from 2,2′‐Di(arylethynyl)biphenyls through CC Bond Cleavage of a Benzene Ring
Author(s) -
Matsuda Takanori,
Goya Tsuyoshi,
Liu Lantao,
Sakurai Yusuke,
Watanuki Shoichi,
Ishida Naoki,
Murakami Masahiro
Publication year - 2013
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.201300570
Subject(s) - azulene , benzene , cleavage (geology) , ring (chemistry) , chemistry , bond cleavage , medicinal chemistry , catalysis , platinum , stereochemistry , photochemistry , organic chemistry , materials science , fracture (geology) , composite material
From six to seven : 2,2′‐Di(arylethynyl)biphenyls undergo a skeletal rearrangement in the presence of a platinum(II) catalyst to afford polycyclic aromatic compounds containing an azulene unit. The reaction involves CC bond cleavage of a benzene ring, which expands into a seven‐membered ring.