Academic literature on the topic 'Oxazole chemistry'

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Journal articles on the topic "Oxazole chemistry"

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Šagud, Ivana, Simona Božić, Željko Marinić, and Marija Šindler-Kulyk. "Photochemical approach to functionalized benzobicyclo[3.2.1]octene structures via fused oxazoline derivatives from 4- and 5-(o-vinylstyryl)oxazoles." Beilstein Journal of Organic Chemistry 10 (September 18, 2014): 2222–29. http://dx.doi.org/10.3762/bjoc.10.230.

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Novel cis/trans-4- and cis/trans-5-(2-vinylstyryl)oxazoles have been synthesized by Wittig reactions from the diphosphonium salt of α,α’-o-xylene dibromide, formaldehyde and 4- and 5-oxazolecarbaldehydes, respectively. In contrast, trans-5-(2-vinylstyryl)oxazole has been synthesized by the van Leusen reaction from trans-3-(2-vinylphenyl)acrylaldehyde which is prepared from o-vinylbenzaldehyde and (formylmethylene)triphenylphosphorane. The 4- and 5-(2-vinylstyryl)oxazoles afford, by photochemical intramolecular cycloaddition, diverse fused oxazoline-benzobicyclo[3.2.1]octadienes, which are iden
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Ochędzan-Siodłak, Wioletta, Dawid Siodłak, Karolina Banaś, Katarzyna Halikowska, Sławomir Wierzba, and Karel Doležal. "Naturally Occurring Oxazole Structural Units as Ligands of Vanadium Catalysts for Ethylene-Norbornene (Co)polymerization." Catalysts 11, no. 8 (2021): 923. http://dx.doi.org/10.3390/catal11080923.

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1,3-Oxazole and 4,5-dihydro-1,3-oxazole are common structural motifs in naturally occurring peptides. A series of vanadium complexes were synthesized using VCl3(THF)3 and methyl substituted (4,5-dihydro-1,3-oxazol-2-yl)-1,3-oxazoles as ligands and analyzed using NMR and MS methods. The complexes were found to be active catalysts both in ethylene polymerization and ethylene-norbornene copolymerization. The position of methyl substituent in the ligand has considerable impact on the performance of (co)polymerization reaction, as well as on the microstructure, and thus physical properties of the o
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He, Yuan, Ting Zheng, Yin-Hui Huang, and Lin Dong. "Rh(iii)-Catalyzed olefination to build diverse oxazole derivatives from functional alkynes." Organic & Biomolecular Chemistry 19, no. 22 (2021): 4937–42. http://dx.doi.org/10.1039/d1ob00507c.

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Zanakhov, Timur O., Ekaterina E. Galenko, Mariya A. Kryukova, Mikhail S. Novikov, and Alexander A. Khlebnikov. "Isomerization of 5-(2H-Azirin-2-yl)oxazoles: An Atom-Economic Approach to 4H-Pyrrolo[2,3-d]oxazoles." Molecules 26, no. 7 (2021): 1881. http://dx.doi.org/10.3390/molecules26071881.

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An atom economical method for the preparation of variously substituted 4H-pyrrolo[2,3-d]oxazoles was developed on the basis of thermal isomerization of 5-(2H-azirin-2-yl)oxazoles. The latter were prepared by Rh2(oct)4 catalyzed reaction of 2-(3-aryl/heteroaryl)-2-diazoacetyl-2H-azirines with a set of substituted acetonitriles, benzonitriles, acrylonitrile and fumaronitrile. According to DFT calculations the transformation of 5-(2H-azirin-2-yl)oxazole to 4H-pyrrolo[2,3-d]oxazole occurs through the nitrenoid-like transition state to give a 3aH-pyrrolo[2,3-d]oxazole intermediate, followed by 1,5-
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Belaidi, Salah, and Malika Mellaoui. "Electronic Structure and Physical-Chemistry Property Relationship for Oxazole Derivatives by Ab Initio and DFT Methods." Organic Chemistry International 2011 (September 12, 2011): 1–7. http://dx.doi.org/10.1155/2011/254064.

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The geometric, electronic structure, effect of the substitution, and structure physical-chemistry relationship for oxazoles derivatives have been studied by ab initio and DFT theory. In the present work, the calculated values, namely, net charges, bond lengths, dipole moments, electron affinities, heats of formation, and QSAR properties are reported and discussed in terms of the reactivity of oxazole derivatives.
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Apostol, Theodora-Venera, Mariana Carmen Chifiriuc, Constantin Draghici, et al. "Synthesis, In Silico and In Vitro Evaluation of Antimicrobial and Toxicity Features of New 4-[(4-Chlorophenyl)sulfonyl]benzoic Acid Derivatives." Molecules 26, no. 16 (2021): 5107. http://dx.doi.org/10.3390/molecules26165107.

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The multi-step synthesis, physico-chemical characterization, and biological activity of novel valine-derived compounds, i.e., N-acyl-α-amino acids, 1,3-oxazol-5(4H)-ones, N-acyl-α-amino ketones, and 1,3-oxazoles derivatives, bearing a 4-[(4-chlorophenyl)sulfonyl]phenyl moiety are reported here. The structures of the newly synthesized compounds were confirmed by spectral (UV-Vis, FT-IR, MS, 1H- and 13C-NMR) data and elemental analysis results, and their purity was determined by RP-HPLC. The new compounds were assessed for their antimicrobial activity and toxicity to aquatic crustacean Daphnia m
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Nesi, Rodolfo, Stefania Turchi, Donatella Giomi, and Andrea Danesi. "New perspectives in oxazole chemistry." Tetrahedron 55, no. 48 (1999): 13809–18. http://dx.doi.org/10.1016/s0040-4020(99)00864-9.

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Burade, Sachin S., Sushil V. Pawar, Tanmoy Saha та ін. "Sugar-derived oxazolone pseudotetrapeptide as γ-turn inducer and anion-selective transporter". Beilstein Journal of Organic Chemistry 15 (14 жовтня 2019): 2419–27. http://dx.doi.org/10.3762/bjoc.15.234.

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The intramolecular cyclization of a C-3-tetrasubstituted furanoid sugar amino acid-derived linear tetrapeptide afforded an oxazolone pseudo-peptide with the formation of an oxazole ring at the C-terminus. A conformational study of the oxazolone pseudo-peptide showed intramolecular C=O···HN(II) hydrogen bonding in a seven-membered ring leading to a γ-turn conformation. This fact was supported by a solution-state NMR and molecular modeling studies. The oxazolone pseudotetrapeptide was found to be a better Cl−-selective transporter for which an anion–anion antiport mechanism was established.
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Zheng, Xunan, Wei Liu, and Dawei Zhang. "Recent Advances in the Synthesis of Oxazole-Based Molecules via van Leusen Oxazole Synthesis." Molecules 25, no. 7 (2020): 1594. http://dx.doi.org/10.3390/molecules25071594.

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Oxazole compounds, including one nitrogen atom and one oxygen atom in a five-membered heterocyclic ring, are present in various biological activities. Due to binding with a widespread spectrum of receptors and enzymes easily in biological systems through various non-covalent interactions, oxazole-based molecules are becoming a kind of significant heterocyclic nucleus, which have received attention from researchers globally, leading them to synthesize diverse oxazole derivatives. The van Leusen reaction, based on tosylmethylisocyanides (TosMICs), is one of the most appropriate strategies to pre
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Abdel Monaim, Shimaa A. H., Jessica T. Mhlongo, Ashish Kumar, Ayman El-Faham, Fernando Albericio та Beatriz G. de la Torre. "Formation of Nα-terminal 2-dialkyl amino oxazoles from guanidinated derivatives under mild conditions". Organic & Biomolecular Chemistry 16, № 31 (2018): 5661–66. http://dx.doi.org/10.1039/c8ob01463a.

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Dissertations / Theses on the topic "Oxazole chemistry"

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Counceller, Carla Marie. "Development of Novel Methodologies for the Synthesis and Functionalization of Nitrogen Heterocycles." The Ohio State University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=osu1275047798.

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Naik, Manisha. "Studies towards the total synthesis of seco-halichondramide." Thesis, University of Nottingham, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.299704.

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Chellat, Mathieu François. "Studies Toward the Total Synthesis and Structure Determination of Leiodelide A." The Ohio State University, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=osu1313173469.

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Chatterley, Alexander. "Benzisoxazoles : new routes to coleophomone analogues." Thesis, Loughborough University, 2014. https://dspace.lboro.ac.uk/2134/16261.

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This project has been part of an ongoing interest in metabolites with a cyclic tricarbonyl motif 1, usually enolised. Coleophomones A C have a unique architecture with the cyclic tricarbonyl motif embedded in an 11-membered ring: A & B exist in aldol equilibrium, B & C are geometric isomers, and D lacks the macrocycle.1,2 Antifungal & antibiotic activity, and inhibition of human heart chymase & bacterial cell-wall transglycosylase, has generated synthetic interest. In an approach distinct from reported studies,3 we propose 4-carbonyl-substituted isoxazoles, from dipolar cycloaddition of nitril
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Lauer, Matthew Gregory. "I. Progress Toward Leiodelide A II. Palladium-Catalyzed Reactions of Enol Ethers." The Ohio State University, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=osu1355256397.

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Nakafuku, Kohki Mitchell. "Radical Relay Strategies for C-H Functionalization of Alcohols." The Ohio State University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=osu1555519365273501.

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Kindahl, Tomas. "Synthesis and development of compounds for nonlinear absorption of light." Doctoral thesis, Umeå universitet, Kemiska institutionen, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-60190.

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High-intensity light — for instance that from a laser — can be destructive, not only to the human eye, but also to equipment such as imaging sensors and optical communication devices. Therefore, effective protection against such light is desirable. A protection device should ideally have high transmission to non-damaging light, and should also be fast-acting in order to effectively stop high-intensity light. In working towards a protection device, there is a need to conduct fundamental research in order to understand the processes involved. One of the photophysical processes of special interes
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Flegeau, Emmanuel Ferrer. "Palladium cross-couplings of oxazoles." Thesis, University of Edinburgh, 2008. http://hdl.handle.net/1842/3171.

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A review covering the literature until April 2008 concerning organometallic reactions to funcionalise oxazoles is described. A protocol for the functionalisation of the oxazole 2- and 4-positions using the Suzuki coupling reaction is described. 2- Aryl-4-trifloyloxazoles undergo rapid, microwave-assisted coupling with a range of aryl and heteroaryl boronic acids in good to excellent yields. The methodology is similarly effective using 4-aryl-2-chlorooxazoles as the coupling partner and has been extended to the synthesis of a novel class of homo- and heterodimeric 4,4- linked dioxazoles. In add
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Kozlik, Roza Maria. "The chemistry of palladacycles derived from phenyl-oxazolines /." abstract and full text PDF (UNR users only), 2007. http://0-gateway.proquest.com.innopac.library.unr.edu/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3279641.

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Thesis (Ph. D.)--University of Nevada, Reno, 2007.<br>"May, 2007." Includes bibliographical references. Library also has microfilm. Ann Arbor, Mich. : ProQuest Information and Learning Company, [2008]. 1 microfilm reel ; 35 mm. Online version available on the World Wide Web.
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Gillie, Andrew Duncan. "Synthesis and applications of 4N-substituted oxazoles." Thesis, University of Birmingham, 2015. http://etheses.bham.ac.uk//id/eprint/6374/.

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This thesis describes the advancement of a flexible and convergent gold-catalysed synthesis of trisubstituted oxazoles, and its application to the synthesis of novel polycyclic compounds. Following on from the initial discovery of this reaction, its scope and limitations have been have been explored, leading to a significant increase in the range of functionality which can be incorporated into the products. This reaction, and the novel structure of the 4-amido oxazole products, was then exploited to allow the construction of other complex molecules. A one-pot reaction cascade has been develope
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Books on the topic "Oxazole chemistry"

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1957-, Kumar M., and Gupta V. 1966-, eds. Heterocyclic chemistry. Springer, 1998.

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Gupta, Radha R., Vandana Gupta, and Mahendra Kumar. Heterocyclic Chemistry II: Five-Membered Heterocycles (Heterocyclic Chemistry). Springer, 1999.

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Turchi, I. J. The Chemistry of Heterocyclic Compounds, Oxazoles. Wiley-Interscience, 1986.

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(Editor), Paola Grünanger, Paola Vita-Finzi (Editor), and James E. Dowling (Editor), eds. The Chemistry of Heterocyclic Compounds, Isoxazoles (Chemistry of Heterocyclic Compounds: A Series Of Monographs). Wiley-Interscience, 1999.

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Palmer, David C. The Chemistry of Heterocyclic Compounds, Oxazoles: Synthesis, Reactions, and Spectroscopy, Part A. Wiley-Interscience, 2003.

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Palmer, David C. The Chemistry of Heterocyclic Compounds, Oxazoles: Synthesis, Reactions, and Spectroscopy, Part B. Wiley-Interscience, 2004.

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Palmer, David C. The Chemistry of Heterocyclic Compounds, Oxazoles: Synthesis, Reactions, and Spectroscopy, Parts A & B. Wiley-Interscience, 2004.

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Book chapters on the topic "Oxazole chemistry"

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Turchi, Ignatius J. "Oxazoles." In Chemistry of Heterocyclic Compounds: A Series Of Monographs. John Wiley & Sons, Inc., 2008. http://dx.doi.org/10.1002/9780470187289.ch1.

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Gingrich, Henry L., and Jonathan S. Baum. "Mesoionic Oxazoles." In Chemistry of Heterocyclic Compounds: A Series Of Monographs. John Wiley & Sons, Inc., 2008. http://dx.doi.org/10.1002/9780470187289.ch4.

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Fu, Liangfeng. "Metalation of Oxazoles and Benzoxazoles." In Topics in Heterocyclic Chemistry. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/7081_2012_81.

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Maryanoff, Cynthia A. "Spectroscopic Properties of Oxazoles." In Chemistry of Heterocyclic Compounds: A Series Of Monographs. John Wiley & Sons, Inc., 2008. http://dx.doi.org/10.1002/9780470187289.ch2.

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Yurovskaya, M. A. "Fluorinated Oxazoles, Thiazoles and Selenazoles." In Fluorine in Heterocyclic Chemistry Volume 1. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-04346-3_10.

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Joule, J. A., K. Mills, and G. F. Smith. "1,3-Azoles: imidazoles, thiazoles and oxazoles: reactions and synthesis." In Heterocyclic Chemistry. Springer US, 1995. http://dx.doi.org/10.1007/978-1-4899-3222-8_21.

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Maryanoff, Bruce E. "Oxazoles and Oxazolines in Organic Synthesis." In Chemistry of Heterocyclic Compounds: A Series Of Monographs. John Wiley & Sons, Inc., 2008. http://dx.doi.org/10.1002/9780470187289.ch5.

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Van Thien, Tran. "Thiazine, Oxazine, and Phenazine Leuco Dyes." In Chemistry and Applications of Leuco Dyes. Springer US, 2002. http://dx.doi.org/10.1007/0-306-46906-5_3.

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Zhang, Shuanming, Roberto Pattacini, and Pierre Braunstein. "Coordination Chemistry of Oxazoline/Thiazoline-Based P,N Ligands." In Advances in Organometallic Chemistry and Catalysis. John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118742952.ch14.

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Chiu, Thomas T., Bruce P. Thill, and William J. Fairchok. "Poly(2-ethyl-2-oxazoline): A New Water- and Organic-Soluble Adhesive." In Advances in Chemistry. American Chemical Society, 1986. http://dx.doi.org/10.1021/ba-1986-0213.ch023.

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Conference papers on the topic "Oxazole chemistry"

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Oberhauser, B., B. Grohmann, and H. Sperner. "Selective Epimerisation of a Fungal Cyclopeptolide via an 2-Amino-oxazole Intermediate - Conformational Consequences." In The 2nd International Electronic Conference on Synthetic Organic Chemistry. MDPI, 1998. http://dx.doi.org/10.3390/ecsoc-2-01702.

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Douhal, A., F. Lahmani, A. Zehnacker-Rentien та F. Amat-Guerri. "Ultrafast excited-state H-atom transfer in jet-cooled 2-(2ʹ-hydroxyphenyl)-oxazole derivatives". У The 54th international meeting of physical chemistry: Fast elementary processes in chemical and biological systems. AIP, 1996. http://dx.doi.org/10.1063/1.50150.

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Prakash, Kunal, and Nainy Khera. "Anthracene-Oxazine based reversible ink." In The 23rd International Electronic Conference on Synthetic Organic Chemistry. MDPI, 2019. http://dx.doi.org/10.3390/ecsoc-23-06457.

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Gonçalves, M. Sameiro, Susana Costa, and Ana Soares. "Novel fused oxobenzopyrano[6,7-d]oxazoles as light-triggered protecting groups for carboxylic acids." In The 14th International Electronic Conference on Synthetic Organic Chemistry. MDPI, 2010. http://dx.doi.org/10.3390/ecsoc-14-00440.

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Guillon, Jean, François Hallé, Solène Savrimoutou, Stéphane Moreau, Daniel-Henri Caignard, and Pascal Sonnet. "Synthesis and Evaluation of New 6-formyl-oxazolo[3,2-a]pyrimidine derivatives as Potential Src Kinase Inhibitors." In 4th International Electronic Conference on Medicinal Chemistry. MDPI, 2018. http://dx.doi.org/10.3390/ecmc-4-05566.

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González-Zamora, Eduardo, Rocío Gámez-Montaño, Alejandro Islas-Jácome, et al. "Ultrasound-assisted synthesis of eight novel and highly functionalized 2-aminonitrile oxazoles via Ugi-3CR." In The 21st International Electronic Conference on Synthetic Organic Chemistry. MDPI, 2017. http://dx.doi.org/10.3390/ecsoc-21-04818.

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Gašparová, Renata, Eva Haršányiová, and Margita Lácová. "Microwave-assisted reactions of 4-[(4-oxochromen-3-yl)methylene]-2-phenyl-1,3-oxazol-5(4H)-ones with nitrogen bases." In The 11th International Electronic Conference on Synthetic Organic Chemistry. MDPI, 2007. http://dx.doi.org/10.3390/ecsoc-11-01348.

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STEINHURST, DANIEL A., ANDREW P. BARONAVSKI, and JEFFREY C. OWRUTSKY. "ULTRAFAST TRANSIENT SECOND HARMONIC GENERATION FROM OXAZINE DYES AT THE AIR/WATER INTERFACE." In With Foreword by Prof A H Zewail, Nobel Laureate in Chemistry, 1999. WORLD SCIENTIFIC, 2002. http://dx.doi.org/10.1142/9789812777980_0066.

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Heimgartner, Heinz, Jürg Lehmann, and Anthony Linden. "Site-Selective Incorporation of Thioamide-Linkages into a Growing Peptide via Variation of the 'Azirine/Oxazolone Method'." In The 1st International Electronic Conference on Synthetic Organic Chemistry. MDPI, 1997. http://dx.doi.org/10.3390/ecsoc-1-02033.

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