Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Madhat Matar"'
Autor:
Sima Haddadpour, Mathias Nowotny, Werner Uhl, Christoph Elschenbroich, Andreas Vogelpohl, Stefan Grimme, Madhat Matar
Publikováno v:
Zeitschrift für anorganische und allgemeine Chemie. 635:2027-2033
Treatment of [5]trovacenylethyne, (η7-C7H7)V(η5-C5H4–C≡C–H) (1) with dialkylelement hydrides R2E–H (2: E = Al, R = tBu; 3: E = Ga, R = Et; 4: E = Ga, R = tBu) afforded the corresponding alkynyl-dialkylelement compounds by the release of dih
Publikováno v:
European Journal of Inorganic Chemistry. 2007:4133-4137
The reaction of 1,3,5-tris(3,3-dimethyl-1-butinyl)benzene C6H3(C≡C–CMe3)3 with the dialkylaluminum hydrides HAl(CMe3)2 and HAl(CH2CMe3)2 gave the addition of one Al–H bond to each C–C triple bond (hydroalumination). Spontaneous condensation b
Publikováno v:
European Journal of Inorganic Chemistry. 2007:2472-2476
Dehydrosilylation reactions between tBu2AlH and E(SiMe3)3 yielded the four-membered heterocycles [tBu2AlE(SiMe3)2]2 (E = Sb, 1; Bi, 2), whereas no reaction was observed with P(SiMe3)3. In contrast, the reaction of tBu2AlH with HP(SiMe3)2 also proceed
Publikováno v:
Zeitschrift für anorganische und allgemeine Chemie. 633:162-165
Investigations on the Reactivity of [Me2AlP(SiMe3)2]2 with Base-stabilized Organogalliumhalides and -hydrides [Me2AlP(SiMe3)2]2 (1) reacts with dmap−Ga(Cl)Me2, dmap−Ga(Me)Cl2, dmap−GaCl3 and dmap−Ga(H)Me2 with Al-P bond cleavage and subsequen
Publikováno v:
Angewandte Chemie. 118:4465-4468
Die Addition von Al-Hoder Ga-H-Bindungen an unges ttigte organische Verbindungen (Hydroaluminierung, Hydrogallierung) wurde vielfach in der Literatur beschrieben und ist l ngst Inhalt von Lehrb"chern. F"r die Reaktionen der Alkine fanden wir aber in
Publikováno v:
Zeitschrift für anorganische und allgemeine Chemie. 632:1011-1017
Synthesis of a Functional Aluminium Alkynide, Me3C-C≡C-AlBr2, and its Reactions with the Bulky Lithium Compound LiCH(SiMe3)2 Treatment of aluminium tribromide with the lithium alkynide (Li)C≡C-CMe3 afforded the aluminium alkynide Me3C-C≡C-AlBr2
Autor:
Madhat Matar, Werner Uhl
Publikováno v:
Zeitschrift f�r anorganische und allgemeine Chemie. 631:1177-1180
Hydroalumination Reactions Employing the Bulky Dialkylaluminum Hydride [(Me3Si)2HC]2Al-H - Prevention of Secondary Reactions Usually, the hydroalumination of alkynes results in secondary reactions under release of the corresponding trialkylaluminum c
Autor:
Werner Uhl, Madhat Matar
Publikováno v:
Zeitschrift für Naturforschung B. 59:1214-1222
Hydroalumination of H5C6-C≡N with di(tert-butyl)aluminum hydride 1or the corresponding diethyl compound 2yielded the products tBu2Al-N=C(C6H5)H 3and Et2Al-N=C(C6H5)H 4, respectively, both of which form dimers possessing Al2N2 heterocycles with two
Publikováno v:
Zeitschrift f�r anorganische und allgemeine Chemie. 630:1839-1845
The dialkylaluminum and dialkylgallium alkynides [R2E-C≡C-R′]2 (R = Me, CMe3; E = Al, Ga; R′ = Ph) containing C≡C triple bonds attached to their central aluminum or gallium atoms are easily obtained by the reactions of dialkylelement chloride
Autor:
Madhat Matar, Werner Uhl
Publikováno v:
Journal of Organometallic Chemistry. 664:110-115
Hydroalumination of CC triple bonds was achieved by treatment of the tetraalkynylbenzene derivative 1,2,4,5-(Me 3 SiCC) 4 C 6 H 2 with di( tert -butyl)aluminium hydride. Depending on the stoichiometric ratio of the starting compounds multifu