Mohamed Rizk, Fawzia Ibrahim, Mohamed Hefnawy and Jenny Nasr
A. G. Kazemifard, D. E. Moore and A. Mohammadi, Polarographic determination of benzaldehyde in benzylalcohol and sodium diclofenac injection formulations, J. Pharm. Biomed. Anal. 30 (2002) 257-262; DOI: 10.1016/S0731-7085(02)00340-0.
M. A. El-Ries, Spectrophotometric and indirect determination of lincomycin by atomic absorption spectroscopy (AAS), Anal. Lett. 27 (1994) 1517-1531.
Y. C. de-Micalizzi, N. B. Pappano and N. B. Debattista, First and second order
Improvement of product selectivity is a major concern of the day. Presence of a coreactant can alter the rate as well as product selectivity of many key reactions like Friedel-Crafts benzylation. Single pot benzylation of o-xylene with benzyl chloride and benzyl alcohol was studied over transition metal exchanged pillared clay catalysts. Complete conversion of benzyl alcohol occured within one hour with 100% monoalkylated product selectivity. The reaction of o-xylene with benzyl alcohol was found to proceed fast in presence of benzyl chloride in single pot, than when present alone as the benzylating species. This enhancement occurs at the expense of no reaction of benzyl chloride, which when present alone reacts faster than benzyl alcohol. Existence of a second transition metal exchanged between the pillars increased the rate of the reaction. A detailed investigation of the reaction variables suggested preferential adsorption of benzyl alcohol to catalyst active sites as the reason.
The objective of this study is to evaluate the viability of larval nematodes of ungulates under the infl uence of 14 fl avourings and source materials approved for use in and on foods. Minimum LD50 for L3Strongyloides papillosus (Wedl, 1856) were observed when using Cinnamaldehyde, α-Terpineol and Benzyl alcohol, for L1–2S. papillosus under the infl uence of Benzyl alcohol, Cinnamaldehyde, L-Linalool and Benzyl acetate, for L3Haemonchus contortus (Rudolphi, 1803) under the influence γ-Undecalactone and Cinnamaldehyde. Ethyl acetate, β-Ionone и D-Limonene had the lowest effect on all the studied stages of development of the nematodes: larvae did not die during 24 hours even at 1 % concentration of these substances. Further experiments with usage of mixtures of the substances studied in this article will contribute to the development of preparations with a stronger effect on larvae of nematode parasites of the digestive system of vertebrate animals.
Nina K. Ivanova, Angelina M. Stoyanova, Albena D. Bachvarova-Nedelcheva and Reni S. Iordanova
Pure and nitrogen-doped titanium dioxide (N-doped TiO2) photocatalysts were prepared by non-aqueous sol-gel method by means of the reaction between titanium (IV) chloride (TiCl4) and C6H5CH2 OH (benzyl alcohol), used as precursors and urea serving as a nitrogen source. The phase formation and short-range order of the resulting particles were characterized by X-ray powder diffraction (XRD) and infrared (IR) spectroscopy. The crystallite size of as-prepared composite powders was in the range 12-35 nm. The aim of this work was to investigate the efficiency of N-doped TiO2 as a photocatalyst in degradation of model organic pollutants - dyes Reactive Black 5 (RB5) and Malachite Green (MG), under ultraviolet (UV) and visible (Vis) irradiation. 0ur results indicated that synthesized N-TiO2 nanocomposites slightly improved the photocatalytic activity under UV irradiation, compared to the pure titanium dioxide (TiO2), and had no effect under Vis light illumination.
. Simultaneous Extraction and Methylation of Chlorophenoxyacetic Acids from Aqueous Solution Using Supercritical Carbon Dioxide as a Phase Transfer Solvent. Anal. Chem. 1994, 66, 4459-4465.
5. Tanabe, K.; Hölderich, W. F. Industrial application of solid acid-base catalysts. Appl. Catal. A, 1999, 181, 399-434.
6. Suja, H.; Deepa, C. S.; Sreejarani, K.; Sugunan, S. Liquid phase benzylation of toluene using benzylalcohol over iron promoted sulfated zirconia. React. Kinet. Catal. Lett. 2003, 79, 373-379.
7. Beltrame, P.; Zuretti, G
Agnieszka Pilarska, Dominik Paukszta, Filip Ciesielczyk and Teofil Jesionowski
Yan, Y., Zhou, L. & Zhang, Y. (2008). Synthesis of MgO hierarchical nanostructures controlled by the supersaturation ratio, J. Phys. Chem. 112, 19831-19835. DOI: 10.1021/ jp806639x.
Choudhary, V. R. & Dumbre, D. K. (2009). Magnesium oxide supported nano-gold: A highly active catalyst for solvent-free oxidation of benzylalcohol to benzaldehyde by TBHP, Catal. Communications 10, 1738-1742. DOI: 10.1016/ j.catcom.2009.05.020.
Ouraipryvan, P., Sreethawong, T. & Chavadej
Oladipupo R. Akolade, Alaribe S. Chinwe, Balogun T. Olalekan, Akere T. Halima, Ayanda A. Fatima, Toye T. Emuejevoke and Coke A.B. Herbert
. and Wright, E., 2007. BenzylAlcohol, Ullmann’s Encyclopedia of Industrial Chemistry (7), 7
Burns, D.A., 2010, Diseases Caused by Arthropods and Other Noxious Animals, in Tony Burns; et al., Rook’s Textbook of Dermatology, 2 (8), 38-41
Charles, D.H., William, L.L., Ken, H. and Jon, C., 1979. Uvarinol: a novel cytotoxic tribenzylated flavanone from Uvaria chamae . J. Org. Chem ., 44 (25), 4709–4710
Farnsworth, N.R., Akerele, O.O., Bingel, A.S., Soejarta, D.D. and Eno, Z., 1985. Medicinal plants in therapy. Bull. World Health Org ., 63 , 965
magnesium -based supports. Catal. Lett. 141, 1752-1760. DOI: 10.1007/ s10562-011-0707-y.
21. Zhang, Z.H. & Deng, K.J. (2015). Recent advances in the catalytic synthesis of 2,5-furandicarboxylic acid and its derivatives. ACS. Catal. 5, 6529-6544. DOI: 10.1021/acscatal.5b01491.
22. Partenheimer, W. & Grushin, V.V. (2001). Synthesis of 2,5-diformylfuran and furan-2,5-dicarboxylic acid by catalytic air-oxidation of 5-hydroxymethylfurfural. Unexpectedly selective aerobic oxidation of benzylalcohol to benzaldehyde with metal=bromide catalysts