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Synthesis and Structure of a Silyl-aminoalane Ring (1993)

Janik, Jurik F. ; Duesler, Eileen N. ; Paine, Robert T.

Weinheim : Wiley-Blackwell

Berichte der deutschen chemischen Gesellschaft 126 (1993), S. 2649-2651

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ISSN: 0009-2940

Keywords: Alane, amino- ; Aluminium nitride ; Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: The reactions of hydrazine with tris(trimethylsilyl)aluminium-ether have been studied: Reactant ratios of 0.5:1 and 0.8:1 produce the cyclic aminoalane [(Me3Si)2AlN(H)(SiMe3)]2 (1), which is formed by N-N bond cleavage and silyl group migration from aluminium to nitrogen. Pyrolysis under NH3 of a polymeric product formed from a 1:1 reaction produces an AlN/Si3N4 composite.

Additional Material: 1 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/cber.19931261213

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1,3,5-Triphenyl-2,4,6-trimesityl-1,3,5,2,4,6-triphosphatriborinane: A 6π-Electron Heteroaromatic LigandDedicated to Professor Dr. Dr. h. c. mult. E. 0. Fischer on the occasion of his 75th birthday. (1994)

Kaufmann, Bernhard ; Metzler, Nils ; Nöth, Heinrich ; [et al.]

Weinheim : Wiley-Blackwell

Berichte der deutschen chemischen Gesellschaft 127 (1994), S. 825-827

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ISSN: 0009-2940

Keywords: Chromium tricarbonyl(η6-1,3,5-triphenyl-2,4,6-trimesityl-1,3,5,2,4,6-triphosphatrnane)- ; 1,3,5,2,4,6-Triphosphatriborinane ; Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: The preparation of tricarbonyl(η6-1,3,5-triphenyl-2,4,6-trimesityl-1,3,5,2,4,6-triphosphatriane)chromium (4) is reported. Its X-ray structure reveals an orientation of the Cr(CO)3 moiety with respect to the almost planar B3P3 ring typical of an arene metal tricarbonyl complex.

Additional Material: 2 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/cber.19941270506

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Reactions of Monomeric Phosphanylboranes with Acyl Chlorides: 1-Oxa-3-oxonia-5-phospha-2-borata-3,5-cyclohexadienes (1994)

Nöth, Heinrich ; Staude, Siegfried ; Thomann, Martina ; [et al.]

Weinheim : Wiley-Blackwell

Berichte der deutschen chemischen Gesellschaft 127 (1994), S. 1923-1926

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ISSN: 0009-2940

Keywords: 1-Oxa-3-oxonia-5λD3-phospha-2-boratacyclohexadiene derivatives ; Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Monomeric B-[bis(trimethylsilyl)phosphanyl]-9-borabicyclo-[3.3.1]nonane (1) reacts with acyl chlorides 2 in a 1:2 ratio to afford deep red derivatives of six-membered oxaoxonia-s̰2,λD3-phosphaboratacyclohexadienes 3. In contrast, the (di-tert-butylboryloxy)phosphaethene 5 is obtained from tBu2BP-(SiMe3)2 (4) and PhC(O)Cl. It is assumed that both reactions proceed via a common intermediate, an (acylphosphanyl)bo-rane 6. The color of compounds 3, which feature a flat boat conformation, is due to a π-π* transition.

Additional Material: 3 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/cber.19941271016

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