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Stabilization of 1,2,4,5‐Tetradehydrobenzene by Complexation at Two Nickel(0) Centers
Author(s) -
Bennett Martin A.,
Drage James S.,
Griffiths K. David,
Roherts Nicholas K.,
Robertson Glen B.,
Wickramainghe Wasantha A.
Publication year - 1988
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.198809411
Subject(s) - fluorobenzene , moiety , nickel , ring (chemistry) , chemistry , planar , stereochemistry , crystallography , organic chemistry , computer science , computer graphics (images) , benzene
The gold‐yellow Ni 2 0complex 1 of the unsubstituted 1,2,4,5‐tetradehydrobenzene C 6 H 2 is surprisingly easily accessible. 1 can be synthesized from [NiCl 2 (PPh 3 ) 2 ] and 1,2‐dichloro‐4‐fluorobenzene in only four steps. The C 6 H 2 Ni 2 moiety is planar, and the angles in the C 6 H 2 ring are partly deformed (Cy = cyclohexyl).