Synthesis, structure, and haptotropic rearrangement of benzocyclo-octatetraenetricarbonylchromium (0) complexes
- 1 January 1987
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 2
- No. 7,p. 935-941
- https://doi.org/10.1039/p29870000935
Abstract
The two tricarbonylchromium isomers of benzocyclo-octateraene complexed at the benzo ring (1) and at the eight-membered ring (2) have been synthesized. Their structure in solution was determined from a 1H and 13C n.m.r. study. In addition, crystal structures of (1) and (2) have been determined by X-ray analysis. Rate constants and activation parameters have been measued for the migration of tricarbonylchromium from the eight-to the six-membered ring of benzocyclo-octatetraene in decalin and di-n-butly ether.Keywords
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