منابع مشابه
Developing the MTO Formalism
The TB-LMTO-ASA method is reviewed and generalized to an accurate and robust TB-NMTO minimal-basis method, which solves Schrödinger’s equation to Nth order in the energy expansion for an overlapping MT-potential, and which may include any degree of downfolding. For N = 1, the simple TBLMTO-ASA formalism is preserved. For a discrete energy mesh, the NMTO basis set may be given as: χ (r) = ∑ n φ ...
متن کاملKinetics and mechanisms of the oxidation of alcohols and hydroxylamines by hydrogen peroxide, catalyzed by methyltrioxorhenium, MTO, and the oxygen binding properties of cobalt Schiff base complexes
25 Introduction 26 Experimental Section 27 Results 30 Discussion 35
متن کاملImmobilization of Methyltrioxorhenium on Mesoporous Aluminosilicate Materials
The presented report focuses on an in-depth detailed characterization of immobilized methyltrioxorhenium (MTO), giving catalysts with a wide spectra of utilization. The range of mesoporous materials with different SiO₂/Al₂O₃ ratios, namely mesoporous alumina (MA), aluminosilicates type Siral (with Al content 60%-90%) and MCM-41, were used as supports for immobilization of MTO. The tested suppor...
متن کاملGrafting of a rhenium-oxo complex on Schiff base functionalized graphene oxide: an efficient catalyst for the oxidation of amines.
A rhenium-oxo complex such as methyltrioxorhenium (MTO) has been homogeneously immobilized on a Schiff base modified graphene oxide (GrO) support via covalent bonding. The loading of MTO on GrO nanosheets was monitored by FTIR, TG-DTA, and elemental analyses. The developed heterogeneous catalyst is found to be efficient for the oxidation of various amines to the corresponding N-oxides using hyd...
متن کاملMTO-MTS Production Systems in Supply Chains
Increasing cost pressures have led supply chain managers to focus on running increasingly lean and efficient supply chains, with minimal inventory. Indeed, more and more firms are relying on pull or make-toorder (MTO) supply chains to minimize cost and waste. At the same time, increasing competitive pressures are leading to an increased emphasis on customer service. An important element of cust...
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ژورنال
عنوان ژورنال: Synlett
سال: 2004
ISSN: 0936-5214,1437-2096
DOI: 10.1055/s-2004-829556