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Komplexierung von 1,4-Dihydro-1,4-diborafulvenen mit Ni(cod)- und Pt(cod)-FragmentenHerrn Professor Hubert Schmidbaur zum 60. Geburtstag gewidmet. (1994)

Gangnus, Bernd ; Feßenbecker, Achim ; Pritzkow, Hans ; [et al.]

Weinheim : Wiley-Blackwell

Berichte der deutschen chemischen Gesellschaft 127 (1994), S. 2393-2396

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ISSN: 0009-2940

Keywords: 1,4-Diborafulvenes, 1,4-dihydro- ; Slipped triple-decker ; Nickel complexes ; platinum complexes ; Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Complexation of 1,4-Dihydro-1,4-diborafulvenes with Ni(cod) and Pt(cod) Fragments*Reactions of the 1,4-diborapentafulvene derivatives 1 and 2a, b with M(cod)2 (M = Ni, Pt) yield the complexes [(η5-1)Ni-(cod)] (8), [(μ,η2η5-2a){Ni(cod)}2] (9a), [(μ,η2,η5-2b){Ni(cod)}2] (9b), and [(μ,η2,η5-2a){Pt(cod)}2] (10). Compounds 9 and 10 are the first examples of complexes with 2a, b as a μ,η2,η5-ligand. The X-ray structure analyses of 9b and 10 are described.

Additional Material: 2 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/cber.19941271209

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Synthese, Reaktivität und Komplexeigenschaften von nido-2,3,5-TricarbahexaboranenHerrn Professor Hans Bock zum 65. Geburtstag gewidmet. (1993)

Feßenbecker, Achim ; Hergel, Achim ; Hettrich, Ralph ; [et al.]

Weinheim : Wiley-Blackwell

Berichte der deutschen chemischen Gesellschaft 126 (1993), S. 2205-2210

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ISSN: 0009-2940

Keywords: 1,3-Dihydro-1,3-diborafulvenes ; 4,5-Dimethylidene-1,3-diborolanes ; Hydroboration ; nido-2,3,5-Tricarbahexaboranes ; Metal complexes ; Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Syntheses, Reactivity and Complexation Properties of nido-2,3,5-TricarbahexaboranesBy double hydroboration of 1,3-dihydro-1,3-diborafulvenes 2 or 4,5-diisopropylidene-1,3-diborolanes 3 with (Et2BH)2 and subsequent loss of triethylborane derivatives 1 of 2,3,5-tricarbahexaborane are formed under mild conditions. The stability of the nido-carboranes 1 depends on the substituents in the basal positions. After deprotonation, the tricarbahexaboranate ion (1 - H) - functions as a cyclopentadienyl analogue (C5H5) - , and its reaction with allylnickel bromide dimer gives the allylnickel complexes 8a, b. Reaction of octacarbonyl dicobalt with 1b yields the dicarbonylcobalt complex 10b. Treatment of 1e with [(C5H5)Ni(CO)]2 results in the formation of the di-nuclear carbonyl-bridged complex 12e.

Additional Material: 2 Tab.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/cber.19931261007

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