Octafluorocyclooctatetraene transition metal compounds: displacement of fluoride by metal carbonyl anions
作者:Stephen J. Doig、Russell P. Hughes、Steven L. Patt、Deborah E. Samkoff、Wayne L. Smith
DOI:10.1016/0022-328x(83)85083-9
日期:1983.7
Octafluorocyclooctatetraene (OFCOT) reacts with some metalcarbonyl anions [MLn]− to give monosubstitution products (C8F7)MLn [MLn = Mn(CO)5, Re(CO)5, Fe(CO)2(η-C5H5)]. 19F and 13C 19F} NMR studies show that the cyclooctatetraene ring in these monosubstitution products does not undergo rapid ring-inversion or bond shifting on the NMR time scale. Reaction of OFCOT with [Co(CO)4]− affords the distributed
八氟环辛酸酯(OFCOT)与某些金属羰基阴离子[ML n ] -反应,生成单取代产物(C 8 F 7)ML n [ML n = Mn(CO)5,Re(CO)5,Fe(CO)2(η -C 5 H 5)]。19 F和13 C 19 F} NMR研究表明,这些单取代产物中的环辛酸酯环在NMR时标上不发生快速的环反转或键移位。OFCOT与[Co(CO)4 ] -的反应得到分布的衍生物[(C8 F 6)Co 2(CO)6 ]是唯一收率低的产品。
Perfluorobarrelene
作者:Philip Ralli、Yin Zhang、David M. Lemal
DOI:10.1016/j.tetlet.2008.10.017
日期:2008.12
The title fluorocarbon has been synthesized in three steps from cis-5,6-dichlorohexafluorocyclohexa-1,3-diene, a hexafluorobenzene synthon. Photolysis of perfluorobarrelene yields perfluorocyclooctatetraene. An extremely facile retro-Diels–Alder reaction is also described.
Unprecedented co-ordination of a cyclo-octatetraene ligand. Synthesis and crystal and molecular structure of (η-pentamethylcyclopentadienyl)(1,4-η-octafluorocyclooctatetraene)(trimethylphosphine)rhodium(<scp>III</scp>)
作者:Russell P. Hughes、Richard T. Carl、Richard C. Hemond、Deborah E. Samkoff、Arnold L. Rheingold
DOI:10.1039/c39860000306
日期:——
Photolysis of [Rh(η5-C5Me5)(1,2,5,6-η-C8F8)] in the presence of PMe3 leads to the crystallographically characterized title compound which contains a unique example of a 1,4-η-cyclo-octatetraene ligand; this compound is an intermediate en route to formation of perfluorobicyclo[3.3.0]octadienediyl complexes.