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COMPLEXES OF 1,2,4,5-TETRAKIS(DIPHENYLPHOSPHINO)BENZENE - SYNTHESIS AND X-RAY CRYSTAL-STRUCTURE OF [((CO)3FE)2(MU-ETA-2-ETA-2-(PH2P)2C6H2(PPH2)2)]

HOGARTH, G; (1991) COMPLEXES OF 1,2,4,5-TETRAKIS(DIPHENYLPHOSPHINO)BENZENE - SYNTHESIS AND X-RAY CRYSTAL-STRUCTURE OF [((CO)3FE)2(MU-ETA-2-ETA-2-(PH2P)2C6H2(PPH2)2)]. J ORGANOMET CHEM , 406 (3) 391 - 398.

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Abstract

Reaction of 1,2,4,5-tetrakis(diphenylphosphino)benzene (1) with excess iron nonacarbonyl yields the dimeric complex [{(CO)3Fe}2{mu-eta-2-eta-2-(PH2P)2C6H2(PPh2)2}] (2) in 61% yield, the X-ray crystal structure of which, as its bis-tetrahydrofuran solvate, has been determined. The radical catalysed reaction of 1 with ruthenium dodecacarbonyl gives initially the trinuclear complex [(CO)10Ru3{eta-2-(Ph2P)2C6H2-(PPh2)2}] (3), identified by IR spectroscopy. Work up, however, leads to cluster fragmentation and the formation of [{(CO)3Ru}2{mu-eta-2-eta-2-(Ph2P)2C6H2(PPh2)2}] (4).

Type: Article
Title: COMPLEXES OF 1,2,4,5-TETRAKIS(DIPHENYLPHOSPHINO)BENZENE - SYNTHESIS AND X-RAY CRYSTAL-STRUCTURE OF [((CO)3FE)2(MU-ETA-2-ETA-2-(PH2P)2C6H2(PPH2)2)]
Keywords: CLUSTER CHEMISTRY, DERIVATIVES
UCL classification: UCL > School of BEAMS > Faculty of Maths and Physical Sciences > Chemistry
URI: http://discovery.ucl.ac.uk/id/eprint/60533
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