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The Diradical 2,3,5,6‐Tetramethylene‐1,4‐cyclohexanediyl (“1,2,4,5‐Tetramethylenebenzene”)
Author(s) -
Roth Wolfgang R.,
Longer Reinhard,
Bartmann Martin,
Stevermann Birgitt,
Maier Günther,
Reisenauer Hans Peter,
Sustmann Rainer,
Müller Wolfgang
Publication year - 1987
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.198702561
Subject(s) - diradical , chemistry , ground state , triplet state , computational chemistry , photochemistry , state (computer science) , organic chemistry , atomic physics , physics , singlet state , mathematics , molecule , excited state , algorithm
Contrary to theoretical predictions the title compound 1 has a triplet ground state , as is conformed by its ESR and UV/VIS spectra. 1 can be formed in two ways, as outlined below.