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Dibenzohomopyracylene, a Segment of Methanofullerene C 61 H 2 , Its Radical Ions and Dianion
Author(s) -
Gerson Fabian,
Merstetter Pascal,
Barbosa Frédérique,
Vogel Emanuel,
König Christoph,
Lex Johann,
Müllen Klaus,
Wagner Manfred
Publication year - 1999
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/(sici)1521-3765(19990903)5:9<2757::aid-chem2757>3.0.co;2-o
Subject(s) - annulene , chemistry , ion , radical ion , crystallography , redox , sequence (biology) , photochemistry , stereochemistry , medicinal chemistry , polymer chemistry , inorganic chemistry , organic chemistry , biochemistry
In the redox sequence 2cl .+ , 2cl, 2int .+ , and 2op 2− of dibenzohomopyracylene ( 2 ), the transition from the “closed” norcaradiene‐like form ( cl ) of the radical cation and the neutral compound to the “open” annulene‐like form ( op ) of the dianion occurs at the radical anion stage which has a structure “intermediate” ( int ) between the two forms. The “6‐6‐closed” methanofullerene, of which 2cl is a segment, may undergo corresponding structural changes in its radical ions and dianion.