Relevant bibliographies by topics / Phenyl formate

Academic literature on the topic 'Phenyl formate'

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Published: 9 March 2023

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Journal articles on the topic "Phenyl formate"

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Mark, Hugh, Tahira Baker, and Eric A. Noe. "Dynamic NMR studies of phenyl formate and 2,6-dimethylphenyl formate." Journal of the American Chemical Society 111, no. 17 (August 1989): 6551–53. http://dx.doi.org/10.1021/ja00199a011.

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Bagno, Alessandro, Willi Kantlehner, Ralf Kreß, and Giacomo Saielli. "Fries Rearrangement of Aryl Formates Promoted by BCl3. Mechanistic Evidence from 11B NMR Spectra and DFT Calculations." Zeitschrift für Naturforschung B 59, no. 4 (April 1, 2004): 386–97. http://dx.doi.org/10.1515/znb-2004-0406.

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AbstractThe Fries rearrangement of model aryl formate esters, promoted by boron trichloride, has been investigated by means of NMR spectroscopy (both experimental and computational) and by DFT calculations. Firstly, the 11B NMR chemical shifts of a series of model boron compounds have been predicted by GIAO-B3LYP/6-31G(d,p) calculations, in order to make predictions of the chemical shifts of transient reaction intermediates observable by 11B NMR. Such 11B spectra for the reaction of two esters (phenyl and 3-methyoxyphenyl formates) have been obtained, and are found to follow different patterns which can be rationalized on the basis of computed chemical shifts. Secondly, DFT calculations (B3LYP/6-31G(d,p) level) have been employed to investigate several mechanistic pathways of the rearrangement of phenyl formate. It is found that the pathways leading to the lowest activation energies are those in which formyl chloride is generated from a complex between phenyl formate and BCl3, which then acts as the formylating agent.
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Bredikhin, A. A., P. P. Chernov, V. V. Klochkov, and A. N. Vereshchagin. "Parameters of the conformational equilibrium in phenyl formate." Bulletin of the Academy of Sciences of the USSR Division of Chemical Science 37, no. 7 (July 1988): 1371–73. http://dx.doi.org/10.1007/bf00962742.

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Chang, Wenju, Jingfu Li, Wenlong Ren, and Yian Shi. "Pd-Catalyzed regioselective hydroesterification of 2-allylphenols to seven-membered lactones without external CO gas." Organic & Biomolecular Chemistry 14, no. 11 (2016): 3047–52. http://dx.doi.org/10.1039/c5ob02663f.

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Li, Jingfu, Wenju Chang, Wenlong Ren, Wei Liu, Haining Wang, and Yian Shi. "A palladium-catalyzed enantioselective hydroesterification of alkenylphenols with phenyl formate. A facile approach to optically active dihydrocoumarins." Organic & Biomolecular Chemistry 13, no. 41 (2015): 10341–47. http://dx.doi.org/10.1039/c5ob01431j.

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Yuan, Qing, Zhen-Bang Chen, Fang-Ling Zhang, and Yong-Ming Zhu. "Palladium-catalyzed carbonylative synthesis of isocoumarins and phthalides by using phenyl formate as a carbon monoxide source." Organic & Biomolecular Chemistry 15, no. 7 (2017): 1628–35. http://dx.doi.org/10.1039/c6ob02409b.

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Kopchuk, Dmitry S., Alexey P. Krinochkin, Мaria I. Valieva, Еkaterina S. Starnovskaya, Yaroslav K. Shtaitz, Svetlana S. Rybakova, Evgeny D. Ladin, Ekaterina A. Kudryashova, Elvira R. Sharafieva, and Оleg N. Chupakhin. "Improved method for the obtaining DTTA-appended 2,2’-bipyridine ligands for lanthanide cations." Chimica Techno Acta 9, no. 2 (May 30, 2022): 20229210. http://dx.doi.org/10.15826/chimtech.2022.9.2.10.

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The composition of the reaction mixture after DTTA tert-butyl ester alkylation with 6'-halomethyl-5-phenyl-2,2'-bipyridines was studied. In addition to the target product, DTTA-appended 2,2’-bipyridine, the corresponding 6'-hydroxymethyl-substituted 2,2’-bipyridine and (5'-phenyl-[2,2'-bipyridin]-6-yl)methyl formate were isolated as by-products in some cases. Finally, an improved procedure for the DTTA tert-butyl ester alkylation with 6'-halomethyl-5-phenyl-2,2'-bipyridines by using Finkelstein reaction was developed.
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Ren, Wenlong, Wenju Chang, Yang Wang, Jingfu Li, and Yian Shi. "Pd-Catalyzed Regiodivergent Hydroesterification of Aryl Olefins with Phenyl Formate." Organic Letters 17, no. 14 (July 2, 2015): 3544–47. http://dx.doi.org/10.1021/acs.orglett.5b01630.

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Wang, Shengyan, Jianing Xu, Yong Fan, Jia Jia, Lijuan Gao, Jing Sun, Liang Shan, Xiaodong Chen, Li Wang, and Hyo Jin Seo. "3D lanthanide metal–organic frameworks constructed from lanthanide formate skeletons and 3,5-bis(4′-carboxy-phenyl)-1,2,4-triazole connectors: synthesis, structure and luminescence." RSC Advances 5, no. 128 (2015): 106107–12. http://dx.doi.org/10.1039/c5ra21557a.

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Ning, Hongbo, Dapeng Liu, Junjun Wu, Liuhao Ma, Wei Ren, and Aamir Farooq. "A theoretical and shock tube kinetic study on hydrogen abstraction from phenyl formate." Physical Chemistry Chemical Physics 20, no. 33 (2018): 21280–85. http://dx.doi.org/10.1039/c8cp02075b.

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We performed ab initio calculations of the rate constants for H-abstraction reactions of phenyl formate (PF) by H/O/OH/HO2 radicals and experimentally determined the rate constants for PF + OH reactions using shock tube/laser absorption methods.
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Dissertations / Theses on the topic "Phenyl formate"

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RAMADAN, DOAA REDA MOHAMED. "PALLADIUM CATALYZED REACTIONS: REDUCTIVE CYCLIZATION OF NITROARENES, AND OXIDATIVE CARBONYLATION OF ANILINE." Doctoral thesis, Università degli Studi di Milano, 2021. http://hdl.handle.net/2434/819652.

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Palladium Catalyzed Reactions: Reductive Cyclization of Nitroarenes, and Oxidative Carbonylation of Aniline Abstract: The thesis is divided into two main chapters: reductive cyclization of nitroarenes, and oxidative carbonylation of aniline. The first chapter involves developing a catalytic system for carbazoles synthesis through reductive cyclization of 2-nitrobiphenyls employing phenyl formate as an in-situ source of CO. Thus, the synthetic chemist can avoid handling pressurized CO lines and perform the reaction in a pressure tube, a cheap and readily available tool for any laboratory. Moreover, the developed protocol can tolerate both air and moisture and can be performed using undried and undistilled commercial DMF. Several carbazoles bearing a wide range of substituents were synthesized in good to excellent yields including some with valuable pharmaceutical or thermo/electrical applications. The reaction could be performed on the grams scale affording carbazole in a very good yield (85%) without the need for chromatographic purification, making our synthetic strategy even more attractive and economically advantageous. The second chapter deals with the palladium/iodide couple which is the most investigated catalytic system for the oxidative carbonylation of amines to give ureas or carbamates. In reinvestigating it, we found that the most prominent role of iodide is to etch the stainless steel of the autoclave employed in most of previous works, releasing in solution small amounts of iron salts. The latter are much better promoters than iodide itself. Iron and iodide have a complex interplay and, depending on relative ratios, can even deactivate each other. The presence of a halide is beneficial, but chloride is better than iodide in this respect. The ideal Fe/Pd ratio is around 10, but even an equimolar amount of iron with respect to palladium (0.02 mol% with respect to aniline, corresponding to 12 ppm Fe with respect to the whole solution) is sufficient to boost the activity of the catalytic system. Such small amount may also come from Fe(CO)5 impurities present in the CO gas when stored in steel tanks. The role of the solvent has also been investigated. It was found that the reason for the better selectivity in some cases is at least in part due to a hydrolysis of the solvent itself, which removes the coproduced water.
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ZHANG, QING-SHENG, and 張擎昇. "Reductive carbonylation of nitrobenzenes and formate esters to phenyl carbamate." Thesis, 1991. http://ndltd.ncl.edu.tw/handle/46389959950526190106.

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Peng, Han-Jar, and 彭漢加. "The Study of Hydroesterification of Olefin with Formate Ester and the Reaction of Nitrobenzene to Phenyl Carbamate." Thesis, 1994. http://ndltd.ncl.edu.tw/handle/81271838096208254155.

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碩士
輔仁大學
化學學系
82
Formate ester is one of the main sideproduct in petroleum industry, but never been used extensively. The purpose of this thesis is to search the possible reactions of formate ester. Part I The reactions of formate ester with olefins in the presence of various amines and carbon monoxide gas have been studied. The kind of amines are primary, secondary, tertiary of ami- nes and triethylamine. In this reaction, primary and secondary anilines reacted with formate esters to produce formamides and alcohols. The pro- duced alcohols will then react with olefins and carbon monoxide gas to give estes in the presence of a bis(triphenylphosphine) palladium dichloride catalyst. Effects of reaction temperature, reaction time, cocatalysts and the carbon monoxide pressure has been studied. Part II The reactions of nitrobenzene with alcohol in the presence of anilines, under 820 psi carbon monoxide pressure and catalyst system : palladium acetate, 1,10-phenanthroline have been inves- tigated. We found that the yield of carbamate in our system was higher than the one with only aniline or nitrobenzene。
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Book chapters on the topic "Phenyl formate"

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Schall, A., and O. Reiser. "Intramolecular Formylation with Formic Esters: Lewis Acid Mediated Formylation of Phenols by Fries Rearrangement of Aryl Formates." In Aldehydes, 1. Georg Thieme Verlag KG, 2007. http://dx.doi.org/10.1055/sos-sd-025-00445.

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Lambert, Tristan H. "Total Synthesis of C–O Ring-Containing Natural Products." In Organic Synthesis. Oxford University Press, 2015. http://dx.doi.org/10.1093/oso/9780190200794.003.0053.

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Scott A. Snyder at Columbia University demonstrated (J. Am. Chem. Soc. 2012, 134, 17714) that tetrahydrofuran 1 could be readily converted to oxocane 2 by treatment with the BDSB reagent developed in his laboratory. Reduction of 2 with DIBAL-H initiated a second ring closure by mesylate displacement to form the bicycle 3, which represented a formal total synthesis of laurefucin 4. Andrew L. Lawrence at the Australian National University found (Org. Lett. 2012, 14, 4537) that upon treatment with catalytic base, rengyolone 6, which was prepared in one pot from phenol 5, could be converted to the natural products incarviditone 7 and incarvilleatone 8. This demonstration provides strong support for the postulated biomimetic formation of these natural products. Shuanhu Gao at East China Normal University reported (Angew. Chem. Int. Ed. 2012, 51, 7786) the total synthesis of (+)-fusarisetin A 12 via biomimetic oxidation of equisetin 10 to produce the peroxy compound 11, followed by reduction. The bicyclic carbon skeleton of equisetin 10 was synthesized by intramolecular Diels-Alder reaction of trienyl aldehyde 9. The ellagitannin natural product (+)-davidiin 15 possesses a glucopyranose core with the unusual 1C4 (tetraaxial) conformation due to the presence of a biaryl bridge between two of the galloyl groups. Hidetoshi Yamada at Kwansei Gakuin University constructed (Angew. Chem. Int. Ed. 2012, 51, 8026) this bridge by oxidation with CuCl2 of 13, in which the three sterically demanding triisopropylsiloxy groups enforce the requisite tetraaxial conformation. John A. Porco, Jr. at Boston University applied (J. Am. Chem. Soc. 2012, 134, 13108) his asymmetric [3+2] photocycloaddition chemistry to the total synthesis of the aglain natural product (+)-ponapensin 20. Irradiation of hydroxyflavone 16 with methyl cinnamate 17 in the presence of diol 18 afforded the entire core framework 19 of ponapensin 20, which was accessed in just a few further synthetic transformations. Finally, Silas P. Cook at Indiana University reported (J. Am. Chem. Soc. 2012, 134,13577) a five-pot total synthesis of the antimalarial (+)-artemisinin 25. Cyclohexenone 21 was converted by simple operations to aldehyde 22. This aldehyde was then engaged in a [4+2] cycloaddition with the silyl ketene acetal 23 to produce, after an impressive Wacker oxidation of the disubstituted olefin, bicycle 24.
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Conference papers on the topic "Phenyl formate"

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Ragaini, Fabio, Francesco Ferretti, and Manar Ahmed Fouad. "Use of Phenyl Formate as a CO Surrogate for the Reductive Cyclization of Organic Nitro Compounds to Yield Different N-Heterocycles: Avoiding the Use of Autoclaves and Pressurized Gases." In International Electronic Conference on Synthetic Organic Chemistry. Basel Switzerland: MDPI, 2022. http://dx.doi.org/10.3390/ecsoc-26-13711.

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Widmer, Marcel, Patrik Hoffmann, Baudouin Lecohier, Herbert Solka, Jean-Michel Philippoz, and Hubert van den Bergh. "Fast In-Situ Metallization: A Comparison of Several Methods with Possible Applications in High Density Multichip Interconnects." In The Microphysics of Surfaces: Beam-Induced Processes. Washington, D.C.: Optica Publishing Group, 1991. http://dx.doi.org/10.1364/msbip.1991.wa3.

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Some recent results obtained using three quite different experimental approaches to fast in-situ surface metallization are presented. One of the goals is to make high density interconnects for multichip modules with metal contact width, height and pitch respectively of the order of 10, 5 and 25 μm. Direct writing speeds should be in excess of 1 cm/s. The first approach tried is to push classical pyrolytic laser chemical vapor deposition of copper from its bis-hexafluoroacetylacetonate Cu(hfa)2 to its limits. This is done by increasing the Cu(hfa)2 vapor pressure and by seeding the transparent surface of our substrate with a thin layer of a strongly light-absorbing substance. Speeds in the order of a few mm/s have already been obtained with good electrical properties and adhesion. The second approach tested implies metallization by thermal in-situ decomposition of a metal complex layer on a surface with a laser beam. The precursors used in this work are metal cluster coordination complexes, in particular au55(pɸ3)12c16 (ɸ stands for phenyl group -C6H5). Such molecules have a high metal content and advantageous thermal decomposition properties which enable writing speeds in excess of 1 cm/s while maintaining acceptable electrical properties of the metal lines. Finally, in a third approach, the fast in-situ step is limited to deposition of a thin metal line on the surface. These lines of only a few Å height are then "developed" in a second step to much high (of the order of one μm) and better conducting metal lines. This second step may be relatively slow, as many devices which have been patterned on their surface with the thin metal "prenucleation" lines can subsequently be developed simultaneously in a parallel processing step. An example of this approach is surface seeding using metals like Pt, W or Ir, followed by development by either selective low pressure CVD of copper from Cu(hfa)2, selective decomposition of a copper formate solid surface film, or selective electroless deposition from a copper bath. Possibilities of processing with much higher resolution using focussed charged particle beams are also briefly discussed.
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Krähling, H., BH Akkurt, M. Elsharkawy, W. Schwindt, and CP Stracke. "P85 Evaluation of the use of the large-format pRESET 6–50 thrombectomy stent retriever (phenox) in the endovascular treatment of ischaemic stroke." In ESMINT Abstracts. BMA House, Tavistock Square, London, WC1H 9JR: BMJ Publishing Group Ltd., 2022. http://dx.doi.org/10.1136/neurintsurg-2022-esmint.105.

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