Journal of Organometallic Chemistry p. 161 - 172 (1986)
Update date:2022-08-11
Topics:
Berno, Piero
Ceccon, Alberto
Dapra, Francesca
Gambaro, Alessandro
Venzo, Alfonso
et al.
Benzo(8,9)bicyclo(5.2.0)nona-2,4,8-triene (I) isomerizes to benzo(7,8)bicyclo(4.2.1)nona-2,4,7-triene (II) in the presence of L3M(CO)3 complexes (L=CO, NH3, CH3CN; M=Cr, MO, W).In THF at 40 deg C with (CH3CN)3CrCO3 the uncomplexed II is formed together with smaller amounts of the corresponding η6-tricarbonylchromium complex, TCC-II.In n-butyl ethwer at 120 deg C with (NH3)3Cr(CO)3 the main product is the latter complex.The structure of TCC-II has been determined by NMR and X-ray analysis.
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