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Darstellung und Reaktionen des Tetrahedran-Moleküls Fe2(CO) 6 (P-tert-C 4 H 9 ) 2 / Preparation and Reactions of the Tetrahedrane Molecule Fe 2 (CO) 6 (P-tert-C 4 H 9 ) 2

1986; De Gruyter; Volume: 41; Issue: 3 Linguagem: Inglês

10.1515/znb-1986-0303

1865-7117

Rajib Lai De, Doris Wolters, Heinrich Vahrenkamp,

Synthesis and characterization of novel inorganic/organometallic compounds

The Fe 2 P 2 tetrahedrane compound Fe 2 (CO) 6 (P -tBu) 2 has been obtained by oxidation of Fe 2 (CO) 6 (μ-PFtBu) 2 . Due to its short (206 pm) P-P bond it can be called a diphosphene com­plex. In contrast to this the P-P bond is its principal centre of reactivity: CO, C 2 H 4, and C 2 H 2 (with concomitant hydrogenation) are inserted. H 2 and HCl are added with P-P cleavage, and reductive cleavage occurs with LiBHEt 3 . The crystal structures of the title compound and of its CO and C 2 H 4 insertion products have been determined.