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739 Newest Publications about the topic iso


NbF5 and TaF5: Assignment of 19F NMR resonances and chemical bond analysis from GIPAW calculations

09-09-2013 | Author(s): Mamata Biswal , Monique Body , Christophe Legein , Aymeric Sadoc , Florent Boucher, Journal of Solid State Chemistry, 2013

Publication date: Available online 7 September 2013 Source:Journal of Solid State Chemistry Author(s): Mamata Biswal , Monique Body , Christophe Legein , Aymeric Sadoc , Florent Boucher The 19F isotropic chemical shifts (δ iso ) of two isomorphic compounds, NbF5 and TaF5, which ...


Thermal Chemistry of Cu(I)-Iminopyrrolidinate and Cu(I)-Guanidinate Atomic Layer Deposition (ALD) Precursors on Ni(110) Single-Crystal Surfaces

09-09-2013 | Taeseung Kim; Yunxi Yao; Jason P. Coyle; Seán T. Barry; Francisco Zaera, Chemistry of Materials, 2013

The thermal chemistry of tetrakis[Cu(I)-N-sec-butyl-iminopyrrolidinate] and bis[Cu(I)-N,N-dimethyl-N′,N″-di-iso-propyl-guanidinate], promising precursor for atomic layer deposition (ALD) applications, was investigated on a Ni(110) single-crystal under ultrahigh vacuum (UHV) conditions by using ...


Photoisomerization and Photoinduced Reactions in Liquid CCl4 and CHCl3

06-09-2013 | Fawzi Abou-Chahine; Thomas J. Preston; Greg T. Dunning; Andrew J. Orr-Ewing; Gregory M. Greetham; Ian P. Clark; Mike ..., Journal of Physical Chemistry A, 2013

Transient absorption spectroscopy is used to follow the reactive intermediates involved in the first steps in the photochemistry initiated by ultraviolet (266-nm wavelength) excitation of solutions of 1,5-hexadiene, isoprene, and 2,3-dimethylbut-2-ene in carbon tetrachloride or chloroform. ...


Mechanistic Study of the Pd/TOMPP-Catalyzed Telomerization of 1,3-Butadiene: Influence of Aromatic Solvents on Bis-Phosphine Complex Formation and Regioselectivity

05-09-2013 | Peter J. C. Hausoul; Martin Lutz; Johann T. B. H. Jastrzebski; Pieter C. A. Bruijnincx; Bert M. Weckhuysen; Robertus ..., Organometallics, 2013

A study of the influence of reaction conditions on the Pd/TOMPP-catalyzed (TOMPP = tris(2-methoxyphenyl)phosphine) telomerization of 1,3-butadiene with phenols revealed that the composition of the reaction medium strongly influences the regioselectivity of the telomer products. Mechanistic ...


Thermochemistry of 1-Methylnaphthalene Hydroconversion: Comparison of Group Contribution and ab Initio Models

05-09-2013 | Maria S. Contreras; Theodorus de Bruin; Pascal Mougin; Hervé Toulhoat, Energy & Fuels, 2013

As a necessary step in the development of microkinetic models for the hydroconversion of heavy hydrocarbon fractions, we report an assessment of various Density Functional Theory (DFT) models for the calculation of molecular thermochemical properties in comparison with Benson’s group contribution ...


A practical synthesis of long-chain iso-fatty acids (iso-C12–C19) and related natural products

04-09-2013 | Mark B. Richardson and Spencer J. Williams, Beilstein Journal of Organic Chemistry, 2013

Abstract A gram-scale synthesis of terminally-branched iso-fatty acids (iso-C12–C19) was developed commencing with methyl undec-10-enoate (methyl undecylenate) (for iso-C12–C14) or the C15 and C16 lactones pentadecanolide (for iso-C15–C17) and hexadecanolide (for iso-C18–C19). Central to the ...


An Assessment on Aflatoxin Control in Pistachio‐Processing Units from Raw Material Reception to Packaging Based on ISO22000:2005 Model

02-09-2013 | Amir Fallah, Mehdi Farhoodi, Vahideh Moradi, Journal of Food Safety, 2013

Abstract Because of the importance and usage of pistachios, it is necessary to improve their agricultural situation, particularly by establishing good processing equipment and packaging units near pistachio farms. It is possible to supply a high‐quality product in large quantities for foreign ...


A Simple, Inexpensive Method for the Rapid Testing of the Photocatalytic Activity of Self-cleaning Surfaces

02-09-2013 | Author(s): Andrew Mills , James Hepburn , David Hazafy , Christopher O’Rourke , Josef Krysa , Michal Baudys , ..., Journal of Photochemistry and Photobiology A: Chemistry, 2013

Publication date: Available online 30 August 2013 Source:Journal of Photochemistry and Photobiology A: Chemistry Author(s): Andrew Mills , James Hepburn , David Hazafy , Christopher O’Rourke , Josef Krysa , Michal Baudys , Martin Zlamal , Hana Bartkova , Claire E. Hill , Kim R. ...


Energies, Vol. 6, Pages 4531-4550: Catalytic Conversion of Bio-Oil to Oxygen-Containing Fuels by Acid-Catalyzed Reaction with Olefins and Alcohols over Silica Sulfuric Acid

02-09-2013 | Zhang, Zhijun ; Sui, Shujuan ; Wang, Fengqiang ; Wang, Qingwen ; Pittman, Charles U., Energies, 2013

Crude bio-oil from pine chip fast pyrolysis was upgraded with olefins (1-octene, cyclohexene, 1,7-octadiene, and 2,4,4-trimethylpentene) plus 1-butanol (iso-butanol, t-butanol and ethanol) at 120 °C using a silica sulfuric acid (SSA) catalyst that possesses a good catalytic activity and ...


Synthesis, Structure, and Reactivity of Tungsten Acetylide–Germylene Complexes

29-08-2013 | Hiroyuki Sakaba; Yasuhiro Arai; Kensei Suganuma; Eunsang Kwon, Organometallics, 2013

The novel acetylide–germylene complexes Cp*(CO)2W(GePh2)(CCR) (7a, R = SiMe3; 7b, R = CMe3) were synthesized by the reactions of Cp*(CO)2W(NCMe)Me with Ph2HGeC≡CR (R = SiMe3, CMe3). X-ray crystal analysis of 7a revealed significantly increased germylene–tungsten and decreased germylene–acetylide ...


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