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Dicyclopenta[ a , d ]cyclooctene: A [14]Annulene Containing Two Zero‐Atom Cross‐Links
Author(s) -
Oda Mitsunori,
Sakamoto Yukinari,
Kajioka Takanori,
Uchiyama Takuya,
Miyatake Ryuta,
Kuroda Shigeyasu
Publication year - 2001
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 - 10.1002/1521-3773(20010716)40:14<2660::aid-anie2660>3.0.co;2-6
Subject(s) - cyclooctene , annulene , character (mathematics) , wavelength , hydrocarbon , zero (linguistics) , atom (system on chip) , chemistry , physics , quantum mechanics , mathematics , computational chemistry , geometry , organic chemistry , philosophy , engineering , embedded system , catalysis , linguistics
14π‐Electrocyclization across the two pentafulvenoid moieties of pentafulvene 1 occurs upon heating to provide dicyclopenta[ a , d ]cyclooctene 2 [Eq. (1)]. The nonalternant hydrocarbon 2 shows diatropic character and a distinctive absorption spectrum with the longest wavelength maximum at 767 nm.