Zobrazeno 1 - 10
of 151
pro vyhledávání: '"Secondo Martinengo"'
Autor:
Alessandro Fumagalli, Carlo Castellari, Vincenzo G. Albano, Giovanni Bernasconi, Secondo Martinengo, and Magda Monari, Luciana Noziglia
Publikováno v:
Organometallics. 19:5149-5154
The reaction of [Rh12C2(CO)24]2- (as K+ salt) with RhI derivatives yields an uncharacterized intermediate (1) from which, by reaction with halides, the new carbido-carbonyl cluster anions [Rh15C2(CO)24X2]3- (X = Cl, 2a; Br, 2b; I, 2c) have been obtai
Publikováno v:
Inorganic Chemistry. 37:6263-6268
The dimeric Co2(CO)6(AsPh3)2 molecule contains an unsupported Co−Co bond, axial arsines, and equatorial carbonyls. At room temperature, the molecule crystallizes in the R space group [a = 15.473(3)...
Publikováno v:
Journal of Molecular Catalysis A: Chemical. 115:265-271
The salt Na2[Rh12(CO)30] was used for the hydroformylation of 2,4,4-trimethyl-1-pentene in tetrahydrofuran under high pressures of CO H 2 (20–120 atm) in the temperature range 300–400 K. The reaction is highly chemioselective, approaching 100% se
Autor:
Piero Zanello, Secondo Martinengo, Francesco Demartin, Roberto Della Pergola, Luigi Garlaschelli, Mario Manassero, Norberto Masciocchi
Publikováno v:
Inorganic Chemistry. 32:3670-3674
The new dodecanuclear carbonyl cluster [Ir 12 (CO) 24 ] 2- can be prepared in good yields by thermal treatment of [Ir 6 (CO) 15 {Cu(NCMe)}] - in refluxing tetrahydrofuran: the anion has been characterized as the tetraphenylphosphonium salt by a cryst
Autor:
S. Marengo, H. Ewald, Secondo Martinengo, A. Trunschke, Luciano Zanderighi, H. Miessner, Francesco Pinna
Publikováno v:
Journal of Molecular Catalysis. 74:365-377
Support and promoter effects on molybdenum-containing Rh/SiO2 and Rh/ZrO2 catalysts, derived from the carbonyl precursors Rh4(CO)12 and Mo(CO)6, have been studied in carbon monoxide hydrogenation at 1.1 MPa. Mo increases the total activity of the cat
Publikováno v:
Chemical Engineering Science. 47:2793-2798
CO hydrogenation over supported Rh catalysts was studied in an automatized microreactor by methods of parameter-programmed reaction. It was evidenced how process variables and catalyst composition modify the reaction pathway and the product distribut
Publikováno v:
Collection of Czechoslovak Chemical Communications. 57:2565-2574
The reactivity of Rh clusters supported on ZrO2 and on ZrO2 modified by chemisorption of Mn, Fe, Mo carbonyls has been studied by various surface techniques such as TPD, TPR, FTIR, and by model reactions: Boudouard reaction, ethylene hydroformylation
Autor:
Luigi Garlaschelli, Secondo Martinengo, Arnaldo Cinquantini, Piero Zanello, Roberto Della Pergola
Publikováno v:
Journal of Organometallic Chemistry. 412:215-224
Electrochemical studies performed on [Ir 6 (CO) 15 ] 2− show that the dianion undergoes stepwise oxidation to the congeners [Ir 6 (CO) 15 ] n ( n = −1 or 0); only the monoanion is notably long-lived. By contrast the electrochemical oxidation of [
Autor:
Mirella Sansoni, Luigi Garlaschelli, Mario Manassero, Francesco Demartin, Secondo Martinengo, Roberto Della Pergola, Norberto Masciocchi
Publikováno v:
Organometallics. 10:2239-2247
The new anionic carbonyl clusters [Ir 6 (CO) 15 (HgCl)] − (1) and [Ir 6 (CO) 15 [Au(PPh 3 )]] − (2) have been obtained by reaction of [Ir 6 (CO) 15 ] 2− with HgCl 2 or Au(PPh 3 )Cl in tetrahydrofuran solution. The complexes have been characteri
Autor:
Donatella Strumolo, Secondo Martinengo, Norberto Masciocchi, Mario Manassero, Roberto Della Pergola, Luigi Garlaschelli, Francesco Demartin
Publikováno v:
Inorganic Chemistry. 30:846-849