Zobrazeno 1 - 10
of 57
pro vyhledávání: '"Stephan D. Hoffmann"'
Autor:
Stephan D. Hoffmann, Guido D. Frey
Publikováno v:
Zeitschrift für Naturforschung B. 70:65-70
Ferrocenyl aryl ethers can be synthesized in good yields by Cu(I)/phosphine-catalyzed coupling reactions from iodoferrocene or 1,1′-dibromoferrocene and various phenols in toluene, using Cs2CO3 or K3PO4 as a base. For the first time a solid-state s
Publikováno v:
Chemistry - A European Journal. 15:5845-5853
Paddle wheels and pillars: Layered 3D metal–organic frameworks comprised of paddle-wheel coordination units are constructed under a variety of conditions to incorporate bridging ligands (as illustrated) that impart desired properties, such as guest
Publikováno v:
Zeitschrift für anorganische und allgemeine Chemie. 634:2917-2921
The reactions of the Zintl phase K2Cs2Sn9 with elemental tellurium and selenium in ethylenediamine have been investigated. From the reaction of K2Cs2Sn9 with elemental tellurium [K-(2,2,2-crypt)]4Te6Te4 (2) and [K-(2,2,2-crypt)]2Sn2Te3 (3) were obtai
Autor:
Eberhardt Herdtweck, Claudia S. Linninger, Fritz E. Kühn, Wolfgang A. Herrmann, Stephan D. Hoffmann
Publikováno v:
Journal of Molecular Structure. 890:192-197
trans -[PdBr 2 (NHC)Im] was prepared by reacting the corresponding imidazolium (Im) salt with palladium(II) acetate in dimethylsulfoxide in an in-situ reaction without generating a free carbene. Both the salt and the complex were characterized spectr
Publikováno v:
Organometallics. 27:3482-3495
The reaction of Ni(COD)2 with a ligand containing a biphenyl subunit (P(iPr)2-O-Ph-Ph-O-P(iPr)2, L1) resulted in a mixture of compounds, the main product being [L1]Ni(COD), which could be quantitatively transferred to product 2 using bis(p-toluyl)ace
Publikováno v:
Journal of Organometallic Chemistry. 693:2223-2230
Condensation of anilines and primary aliphatic amines with 3,4-diphenylcyclo-2-pentenone leads to the corresponding diphenylcyclopentene imines in good yields of 72–90%. Deprotonation of these aminocyclopentadiene tautomers and reaction with FeCl2
Autor:
Eberhardt Herdtweck, Wolfgang A. Herrmann, Stephan D. Hoffmann, Peter Härter, Agnes Bittermann
Publikováno v:
Journal of Organometallic Chemistry. 693:2079-2090
Rhodium(I) complexes of acceptor substituted N-heterocyclic carbenes were obtained either by transmetalation from the corresponding Ag(I) complexes or by thermal decomposition of corresponding pentafluorobenzene carbene adducts. All complexes were fu
Publikováno v:
European Journal of Inorganic Chemistry. 2007:4162-4167
The clathrate compound α-Cs8Sn44□2 has been synthesized from its elements under inert gas conditions and has been characterized by single-crystal and powder X-ray diffraction. At room temperature, it crystallizes with cubic symmetry [a = 24.256(3)
Autor:
Eberhardt Herdtweck, Christian Taubmann, Stephan D. Hoffmann, Wolfgang A. Herrmann, Karl Öfele
Publikováno v:
Journal of Organometallic Chemistry. 692:3846-3854
Several mixed palladium(II) complexes bearing 2,3-diarylcyclopropenylidene ligands (aryl = phenyl, mesityl, naphthyl) and triaryl- and trialkylphosphines have been prepared. Single crystal structure details of one of the dimeric chloro-bridged comple
Autor:
Mehmet Somer, Umut Aydemir, Stephan D. Hoffmann, W. Carrillo-Cabrera, Thomas F. Faessler, Aslihan Kircali
Publikováno v:
Zeitschrift für anorganische und allgemeine Chemie. 633:1575-1580
Red-orange prismatic crystals of Cs4Ge9·en (en = ethylenediamine) were obtained via metathesis reaction of an en solution of K4Ge9 with a large excess of CsI. The compound is very sensitive to air and moisture. Cs4Ge9·en is not isotypic to Rb4Ge9·