Please note: If you switch to a different device, you may be asked to login again with only your ACS ID.A neutral tetralactam macrocycle was prepared in a few minutes in one pot and at high concentration using commercially available starting materials. NMR titration studies in DMSO revealed an anion affinity order of F- > AcO- > Cl- > Br-. The receptor affinity for F- is very high due in part to formation of a self-complementary dimer comprised of two "saddle shaped" complexes. An ...Sanford S. Atwood Chemistry Center, Emory University, 1515 Pierce Drive, Altanta, Georgia 30322Enantioselective Construction of Tertiary α-Alkyl Fluoride via BTM-Catalyzed Fluorination of α-Alkynyl-Substituted Acetic Acids. Shiru Yuan. and. Wen-Hua Zheng *. The Journal of Organic Chemistry 2022, 87, 1, 713-720 (Article) Publication Date (Web): December 20, 2021.The Journal of Organic Chemistry 1970, 35, 5, 1281-1287 (Article) Publication Date (Print): May 1, 1970. First Page. PDF. Effect of tetramethylethylenediamine on the metalation of o- and p-N,N-dimethyltoluidines with n-butyllithium. Deuteration and electrophilic condensation of intermediate lithioamines. Robert E. Ludt.Perfluoroalkyl-substituted compounds are regarded as important components of fluorophors and for the introduction of fluorous tags into organic substrates. Their syntheses in organic solvents are achieved through different methods, among which, the addition of perfluoroalkyl radicals to unsaturated bonds represents a convenient choice. …January 5, 2024 Vol. 89 Issue 1. pp. 1-814. Check out a complete list of issues for the The Journal of Organic Chemistry on ACS Publications, a trusted source for peer-reviewed …The Journal of Organic Chemistry 1965, 30, 11, 3663-3667 (Article) Publication Date (Print): November 1, 1965. First Page. PDF. Azasteroids. V. The Direct Conversion of 1- (Carboethoxymethyl)-1,2,3,4-tetrahydroisoquinolines and Cyclic Ketones into Benzo [a]cycloalkano [f]quinolizinones. An Example of Enamine Acylation by an Ester Function 1,2.The Journal of Organic Chemistry 2019, 84, 8, 4830-4836 (Article) Publication Date (Web): January 2, 2019. Abstract. Full text. PDF. ABSTRACT. Synthesis of ( R )-Boc-2-methylproline via a Memory of Chirality Cyclization. Application to the Synthesis of Veliparib, a Poly (ADP-ribose) Polymerase Inhibitor. Lawrence Kolaczkowski *.Nathan P. Bowling, Nicola J. Burrmann, Robert J. Halter, Jonathan A. Hodges, and Robert J. McMahon. Synthesis of Simple Diynals, Diynones, Their Hydrazones, and Diazo Compounds: Precursors to a Family of Dialkynyl Carbenes (R1—C≡C—C̈—C≡C—R2).The Journal of Organic Chemistry 1989, 54, 2, 393-399 (Article) Publication Date (Print): January 1, 1989. First Page. PDF. Concerning model metabolites of the carcinogen 4-nitroquinoline 1-oxide. Reactivity and solvolytic behavior of 1-hydroxy-4- (acetoxyimino)-1,4-dihydroquinoline. Martine Demeunynck.The 9-(acylimino)-Si-pyronin and 9-(sulfonylimino)-Si-pyronin derivatives exhibit remarkably large Stokes shifts while still possessing a high fluorophore brightness, absorption bands in the near-UV and visible part of the spectrum, and high thermal and photochemical stabilities in protic solvents. A large Stokes shift is represented by light beams of different wavelengths (violet: excitation ...The Journal of Organic Chemistry, colloquially known as JOC, is a peer-reviewed [1] scientific journal for original contributions of fundamental research in all branches of theory and practice [2] in organic and bioorganic chemistry. It is published by the publishing arm of the American Chemical Society, with 24 issues per year. A practical, rapid, and efficient microwave (MW) promoted synthesis of various azides, thiocyanates, and sulfones is described in an aqueous medium. This general and expeditious MW-enhanced nucleophilic substitution approach uses easily accessible starting materials such as halides or tosylates in reaction with alkali azides, thiocyanates, …Photosensitized [2 + 2]-Cycloadditions of Dioxaborole: Reactivity Enabled by Boron Ring Constraint Strategy. Yanyao Liu and M. Kevin Brown. J. Am. Chem. Soc., 2023, 145, 25061 − 25067.-Highlighted in Synfacts, 2024; 20(02): 0207.-Highlighted in ChemistryViews-Featured in the January edition of "Some Items of Interest to Process R&D Chemists and Engineers Org. Process Res. Dev. 2024, 28, 1 ...The observation that the three-component coupling reaction between imines, nitro alkenes, and diakylzincs was heterogeneous in diethyl ether led to the formation of either the syn,anti or syn,syn diastereoisomers by judicious choice of solvent. Absolute stereochemistry was controlled from the initial 1,4-addition of dialkylzinc to aromatic nitro …J. Org. Chem. 67, 5553-5566 (2002). Article CAS Google Scholar Fu, G. C. The development of versatile methods for palladium-catalyzed coupling reactions of aryl electrophiles through the ...Inorganic Chemistry - ACS Publications. Editor-in-Chief: Stefanie Dehnen Editors & Editorial Board. 2 Year Impact Factor 2022: 4.6 | Citations 2022: 100,583 | CiteScore 2022: 8.0. Submit Manuscript Get Access. Get e-Alerts. Authors. ASAP Articles are edited and published online ahead of issue. See all articles. Practical and highly efficient methods for oxidative rearrangement of tertiary allylic alcohols to β-substituted α,β-unsaturated carbonyl compounds employing oxoammonium salts are described. The methods developed are applicable to acyclic substrates as well as medium membered ring substrates and macrocyclic substrates. …Cover Feature: 2-Acetamido-2-deoxy- l -iminosugar C -Alkyl and C -Aryl Glycosides: Synthesis and Glycosidase Inhibition (Eur. J. Org. Chem. 40/2018) Nathalie Fontelle, Arisa Yamamoto, Ana Arda, Jesús Jiménez-Barbero, Atsushi Kato, Jérôme Désiré, Yves Blériot. The Cover Feature shows the synthesis of unprecedented 2-acetamido C -alkyl and ...Download Hi-Res Image Download to MS-PowerPoint Cite This: J. Org. Chem. 2010, 75, 10, 3268-3273. ADVERTISEMENT. RETURN TO ISSUE PREV Article NEXT. Synthesis and Conformational Characteristics of Alkyl-Substituted Pillar[5]arenes. Tomoki Ogoshi *, Keisuke Kitajima, Takamichi Aoki, Shuhei Fujinami, Tada-aki Yamagishi, and ; Yoshiaki …The Journal of Organic Chemistry | Vol 30, No 6. Your Mendeley pairing has expired. Please reconnect. Website Demos & Tutorials. For Librarians & Account Managers.The Journal of Organic Chemistry 1961, 26, 12, 5080-5085 (Article) Publication Date (Print): December 1, 1961. First Page. PDF. Investigations on Lignins and Lignification. XXIV. 1a,b The Application of Hydrogenation, Hydrogenolysis, and Vapor Phase Chromatography in the Study of Lignin Structure. CARMINE J. COSCIA.Chemistry - A European Journal showcases fundamental research and topical reviews in all areas of the chemical sciences around the world. Abstract Complicated and expensive organic ligands are normally essential in fine chemical synthesis at preparative or industrial levels. The synthesis of fine chemicals by using heterogeneous cata...The Journal of Organic Chemistry 1993, 58, 1, 239-240 (Article) Publication Date (Print): January 1, 1993. First Page. PDF. Sodium telluride in N-methyl-2-pyrrolidone. Reduction of aromatic carbonyl compounds to alcohols and formation of pyrrolo [2,3-d]pyrimidines (7-deaza-9H-purines) from aromatic nitriles. A Chem 14 blood test, also called a comprehensive metabolic panel, is a group of 14 tests used to check organ function and monitor certain health conditions. A Chem 14 measures blo...Tunable Diastereoselective Desymmetrization of Cyclohexadienones Triggered by Copper-Catalyzed Three-Component Coupling Reaction. Raghunath Reddy Anugu. and. Rambabu Chegondi *. The Journal of Organic Chemistry 2017, 82, 13, 6786-6794 (Article) Publication Date (Web): June 11, 2017. Abstract. Full text.Nathan P. Bowling, Nicola J. Burrmann, Robert J. Halter, Jonathan A. Hodges, and Robert J. McMahon. Synthesis of Simple Diynals, Diynones, Their Hydrazones, and Diazo Compounds: Precursors to a Family of Dialkynyl Carbenes (R1—C≡C—C̈—C≡C—R2).Enantioselective Construction of Tertiary α-Alkyl Fluoride via BTM-Catalyzed Fluorination of α-Alkynyl-Substituted Acetic Acids. Shiru Yuan. and. Wen-Hua Zheng *. The Journal of Organic Chemistry 2022, 87, 1, 713-720 (Article) Publication Date (Web): December 20, 2021.Abstract. The merger of transition metal catalysis and photocatalysis, termed metallaphotocatalysis, has recently emerged as a versatile platform for the development of new, highly enabling ...The halogenation of alcohols under mild conditions expedited by the presence of substoichiometric amounts of thiourea additives is presented. The amount of thiourea added dictates the pathway of the reaction, which may diverge from the desired halogenation reaction toward oxidation of the alcohol, in the absence of thiourea, or toward starting material recovery when excess thiourea is used ...Structures of organocatalysts and a 31P NMR method for quantifying their hydrogen-bonding abilities are shown. Hydrogen-bonding forces are central to the structure and function of our natural world. The background artwork features part of a collaborative mixed-media mural called LOOK, created at the Davis Arts Center (Davis, CA) by artists Tony Berger, Jeff Musser, Rachel Hartsough, and Nadja ...Website Demos & Tutorials. For Librarians & Account Managers. 1155 Sixteenth Street N.W. About ACS Publications. ACS & Open Access. ACS Publications Blog. Journals A-Z.ELECTRONIC EFFECTS AND RATES IN THE DIELS-ALDER REACTION. JOSEPH J. DUDKOWSKI. and. ERNEST I. BECKER. The Journal of Organic Chemistry 1952, 17, 2, 201-206 (Article) Publication Date (Print): February 1, 1952. First Page. PDF. THE CHEMISTRY OF HYDROPEROXIDES.Dynamic digital publications that help readers of all levels accelerate their fundamental understanding of emerging chemistry topics and techniques. ACS Reagent Chemicals A must-have digital reference for analytical, industrial, and research labs containing purity specifications for nearly 500 reagent chemicals and more than 500 standard-grade ... Front Cover: Synthesis and Unusual NMR-Spectroscopic Behavior of a Strained Bicyclic Ammonium Salt (Eur. J. Org. Chem. 10/2018) The Front Cover shows the schematic preparation of a strained bicyclic ammonium cation (top). At first sight, unusual NMR spectroscopic characteristics were puzzling and DFT calculations were performed to support the ...The cover art depicts a practical and scalable strategy for the fluoromethoxymethylation of nitrogen−heterocyclic compounds using fluoromethyl iodide. Mechanistic studies revealed that this transformation consists of electrophilic monofluoromethylation, followed by rapid hydrolysis and another electrophilic monofluoromethylation. Inspiration for the science and for this artwork came from the ...The Journal of Organic Chemistry 1962, 27, 9, 3236-3239 (Article) Publication Date (Print): September 1, 1962. First Page. PDF. Nucleophilic Attack on the 2,5-Bis (perfluoroalkyl)-1,3,4-oxadiazoles. I. Synthesis of 3,5-Bis (perfluoroalkyl)-1,2,4-triazoles and 4-Methyl-1,2,4,4H-triazoles 1. Henry C. Brown.J. Org. Chem. All Publications/Website. OR SEARCH CITATIONS My Activity. Recently Viewed. You have not visited any articles yet, Please visit some articles to see ... The Journal of Organic Chemistry 1982, 47, 10, 1831-1837 (Article) Publication Date (Print): May 1, 1982. First Page. PDF. Diazoethenes: their attempted synthesis from aldehydes and aromatic ketones by way of the Horner-Emmons modification of the Wittig reaction. A facile synthesis of alkynes. J. C. Gilbert.The Journal of Organic Chemistry 1997, 62, 12, 3794-3795 (Communication) Publication Date (Web): June 13, 1997. Full text. PDF. Asymmetric Synthesis of β-Substituted α-Amino Acids Using 2 H -Azirine-2-carboxylate Esters. Synthesis of 3,3-Disubstituted Aziridine-2-carboxylate Esters †. Franklin A. Davis.About the Journal. The European Journal of Organic Chemistry (EurJOC) is a journal published on behalf of Chemistry Europe, an association of 16 European chemical societies. EurJOC is published by Wiley-VCH and is a sister journal of Angewandte Chemie, Chemistry — A European Journal, and the other Chemistry Europe journals.Journal of Chemical Education is a Transformative Journal. Journal of Chemical Education has been certified as a transformative journal by cOAlition S, committing to a transition to 100% open access in the future. If your research funder has signed Plan S, your open access charges may be covered by your funder through December 31, 2024.The Journal of Organic Chemistry 2021, 86, 12, XXX-XXX (Article) Publication Date (Web): June 18, 2021. PDF. Molecules that rapidly release nitroxyl (HNO) are urgently required to better understand the reactivity of this biologically important signaling molecule that shows considerable promise in treating congestive heart failure.Download Hi-Res Image Download to MS-PowerPoint Cite This: J. Org. Chem. 2010, 75, 10, 3268-3273. ADVERTISEMENT. RETURN TO ISSUE PREV Article NEXT. Synthesis and Conformational Characteristics of Alkyl-Substituted Pillar[5]arenes. Tomoki Ogoshi *, Keisuke Kitajima, Takamichi Aoki, Shuhei Fujinami, Tada-aki YamagishiThe Journal of Organic Chemistry | Vol 29, No 9. 2024-01-22T14:43:10.841-08:00. Please be aware that pubs.acs.org is undergoing maintenance that may have an impact on your experience. During this time, you may not be able to access certain features like purchasing single articles, saving searches, modifying your e-Alert preferences, or ...Nov 18, 2022 · A “blueprint” for synthesizing novel, complex, non-natural molecules is depicted. Photochemistry, the main technology used in this paper, takes the visual form of a schematically represented medium-pressure arc lamp. Its photons, seen as spectrum emanating from the bulb, help forge a molecule on the left, with key disconnections in its synthesis shown as dashed lines. Side panels hint at ... We would like to show you a description here but the site won’t allow us.The cover art demonstrates Brønsted-acid-mediated cycloisomerization for the synthesis of 1-azapyrene. The introduction of a nitrogen atom in position 1 strongly modulates the electronic structures of the pyrene system and also notably stabilizes the HOMO and LUMO levels of pyrene. Hence, the conscious introduction of nitrogen atoms at a certain position of the pyrene scaffold facilitates the ...Nathan P. Bowling, Nicola J. Burrmann, Robert J. Halter, Jonathan A. Hodges, and Robert J. McMahon. Synthesis of Simple Diynals, Diynones, Their Hydrazones, and Diazo Compounds: Precursors to a Family of Dialkynyl Carbenes (R1—C≡C—C̈—C≡C—R2).Feb 1, 2021 ... J Chemistry•22K views · 32:13. Go to channel · Grob fragmentation|Mechanism|Fragmentation reactions organic chemistry|Carruthers Series J ...A Stereoselective Synthesis of Phosphinic Acid Phosphapeptides Corresponding to Glutamyl-γ-glutamate and Incorporation into Potent Inhibitors of Folylpoly-γ-glutamyl Synthetase. David M. Bartley. and. James K. Coward. The Journal of Organic Chemistry 2005, 70, 17, 6757-6774 (Article) Publication Date (Web): July 19, 2005.Solvation Effects in Organic Chemistry. Solvation Effects in Organic Chemistry J Org Chem. 2022 Feb 4;87(3):1599-1601. doi: 10.1021/acs.joc.1c03148. …Please note: If you switch to a different device, you may be asked to login again with only your ACS ID.The Journal of Organic Chemistry 1997, 62, 11, 3422-3423 (Communication) Publication Date (Web): May 30, 1997. Full text. PDF. Stereoselective Additions of α-Lithiated Alkyl- p -tolylsulfoxides to N -PMP (fluoroalkyl)aldimines. An Efficient Approach to Enantiomerically Pure Fluoro Amino Compounds. Pierfrancesco Bravo.6 days ago · O as hydrogen sources with Zn reductants. Lewis-acid co-catalysts facilitated reactions and promoted transesterification. Introduction of 1 atm of H allowed catalytic metal reductant loading. These processes displayed excellent functional-group tolerance, consistently yielding high-product yields. as Lewis acid are fully characterized. The Journal of Organic Chemistry | Vol 34, No 11. 1155 Sixteenth Street N.W. Washington, DC 20036. About ACS Publications. ACS & Open Access. ACS Publications Blog. Journals A-Z. Books and Reference. Advertising Media Kit.Journal of the American Chemical Society is a Transformative Journal. Journal of the American Chemical Society has been certified as a transformative journal by cOAlition S, committing to a transition to 100% open access in the future. If your research funder has signed Plan S, your open access charges may be covered by your funder through ...The Journal of Organic Chemistry 1962, 27, 10, 3441-3449 (Article) Publication Date (Print): October 1, 1962. First Page. PDF. Friedel-Crafts Isomerization. II. 1 Aluminum Chloride-Catalyzed Isomerization of Chlorofluorobenzenes and Dichlorobenzenes. The Effect of Aluminum Chloride on Difluorobenzenes. George A. Olah. Azobenzene macrocyclic compounds were synthesized with different substituents at the periphery. The cover art represents how the Z-isomers of the meta-substituted azobenzene macrocycles show thermal relaxations slower than those of para-substituted compounds, and that electron-donating groups led to a faster relaxation. The cover art was created by Souvik Ghosh. View the article.Please note: If you switch to a different device, you may be asked to login again with only your ACS ID.Cp*Ir complexes bearing a 2-picolinamide moiety serve as effective catalysts for the direct reductive amination of ketonic compounds to give primary amines under transfer hydrogenation conditions using ammonium formate as both the nitrogen and hydrogen source. The clean and operationally simple transformation proceeds with a …The Journal of Organic Chemistry 2021, 86, 12, XXX-XXX (Article) Publication Date (Web): June 18, 2021. PDF. Molecules that rapidly release nitroxyl (HNO) are urgently required to better understand the reactivity of this biologically important signaling molecule that shows considerable promise in treating congestive heart failure.The Journal of Organic Chemistry 2015, 80, 4, 2240-2248 (Article) Publication Date (Web): January 12, 2015. Abstract. Full text. PDF. ABSTRACT. Synthesis of Two Subunits of the Macrolide Domain of the Immunosuppressive Agent Sanglifehrin A and Assembly of a Macrolactone Precursor. Application of Masamune anti -Aldol Condensation.Read research published in the The Journal of Organic Chemistry Vol. 22 Issue 2 on ACS Publications, a trusted source for peer-reviewed journals. Pair your accounts. Export articles to Mendeley. Get article recommendations from ACS based on references in your Mendeley library.Please note: If you switch to a different device, you may be asked to login again with only your ACS ID.The Journal of Organic Chemistry 2024, Article ASAP. Julian S. Kellner-Rogers, Rina Wang, Tristan H. Lambert. Diazene-Catalyzed Oxidative Alkyl Halide-Olefin Metathesis. Organic Letters 2024, Article ASAP. Marian Guillén, Sensheng Liu, C. David Díaz-Oviedo, Martin Klussmann, Benjamin List.Pheromone Bouquet of the Dried Bean Beetle, Acanthoscelides obtectus (Col.: Chrysomelidae), Now Complete (Eur. J. Org. Chem. 22/2015) The cover picture shows a dried bean beetle, Acanthoscelides obtectus, on red beans with admirably round boreholes. Males produce a female-attracting sex pheromone (see gas chromatogram) consisting of methyl (2 E ...OpenStax offers free college textbooks for all types of students, making education accessible & affordable for everyone. Browse our list of available subjects!Grignard reagents (aliphatic, aromatic, heteroaromatic, vinyl, or allylic) react with 1 equiv of 4,4,5,5-tetramethyl-1,3,2-dioxaborolane (pinacolborane, PinBH) at ambient temperature in tetrahydrofuran (THF) to afford the corresponding pinacolboronates. The initially formed dialkoxy alkylborohydride intermediate quickly eliminates …CuI-catalyzed coupling reaction of electron-deficient aryl iodides with aliphatic primary amines occurs at 40 °C under the promotion of N-methylglycine. Using l-proline as the promoter, coupling reaction of aryl iodides or aryl bromides with aliphatic primary amines, aliphatic cyclic secondary amines, or electron-rich primary arylamines …In the world of business, there’s a slew of reasons why you may need an org chart. But while you can use different types of presentation software or specialty applications to creat...Please note: If you switch to a different device, you may be asked to login again with only your ACS ID.First Published: 05 July 2017. An enantioselective synthesis of a tetrasubstituted all- trans cyclobutane, a key intermediate in the total synthesis of the pyrrole-imidazole alkaloid sceptrin, facilitated by a diastereoselective, valine-derived chiral-auxiliary-guided photodimerization, is reported. Abstract.Organic super-electron donors are powerful reducing agents. Under photoactivation, they selectively activate arenes in the presence of malonates. See Murphy, p 3731. Professor Murphy is the recipient of the 2012 Bader Award. View the article. 1 Exiqon A/S, Department of Chemistry, Bygstubben 9, DK-2950 Vedbaek, Denmark. [email protected]; PMID: 11735531 DOI: 10.1021/jo010732p Abstract A novel efficient method for the synthesis of locked nucleic acid (LNA) monomers is described. The LNA 5',3'-diols containing thymine, 4-N-acetyl- and 4-N-benzoylcytosine, 6-N-benzoyladenine, and 2-N ...The Journal of Organic Chemistry 1998, 63, 11, 3538-3543 (Article) Publication Date (Web): May 5, 1998. Abstract. Full text. PDF. ABSTRACT. Cross Coupling of Alkyl Cobaloximes with Maleic Anhydrides. Basic Studies and Applications to the Synthesis of Chaetomellic Acid A Anhydride and C-Glycosyl Maleic Anhydrides. Rachel M. Slade.The earlier compiled self-consistent spectrophotometric basicity scale in acetonitrile (AN) was expanded to range from 3.8 to 32.0 pKa units, that is 28 orders of magnitude. Altogether 54 new relative basicity measurements (ΔpKa measurements) were carried out and 37 new compounds were introduced to the scale (it now includes …Solvation Effects in Organic Chemistry. Solvation Effects in Organic Chemistry J Org Chem. 2022 Feb 4;87(3):1599-1601. doi: 10.1021/acs.joc.1c03148. …New Life for Diazoacetonitrile (N 2 CHCN): in situ Generation and Practical Synthesis of CN-Pyrazoles (Eur. J. Org. Chem. 33/2015) Pavel K. Mykhailiuk, First Published: 13 November 2015; The cover picture shows in situ-generated CNCHN 2 prepared by Enamine scientists and used in the practical synthesis of agrochemistry-related CN-pyrazoles. The ...and. Clayton H. Heathcock. The Journal of Organic Chemistry 1976, 41, 8, 1396-1403 (Article) Publication Date (Print): April 1, 1976. First Page. PDF. Carbon-phosphorus heterocycles. A one-step synthesis of phosphindolines and phosphinolines. Cyclization of diphenylalkenylphosphine oxides with polyphosphoric acid.The Reduction of α-X-Acetophenones (X = PhO, Br, Cl) in Hydrogen-Donating Solvents at Elevated Temperatures. Edwin Dorrestijn, Sven Hemmink, Guido Hulstman, Laurent Monnier, Wibo van Scheppingen, Peter Mulder. Pages: 607-616. First Published: 10 February 1999. Abstract.
The Journal of Organic Chemistry 1985, 50, 9, 1418-1426 (Article) Publication Date (Print): May 1, 1985. First Page. PDF. Photochemistry of phthalimides with olefins. Solvent-incorporated addition vs. cycloaddition to imide C (=O)-N bond accompanying ring enlargement. Kazuhiro Maruyama. and. Yasuo Kubo.. Aarp travel flights
An efficient method has been developed for direct amide bond synthesis between carboxylic acids and amines via (2-(thiophen-2-ylmethyl)phenyl)boronic acid as a highly active bench-stable catalyst. This catalyst was found to be very effective at room temperature for a large range of substrates with slightly higher temperatures required for …Read research published in the The Journal of Organic Chemistry Vol. 22 Issue 2 on ACS Publications, a trusted source for peer-reviewed journals. Pair your accounts. Export articles to Mendeley. Get article recommendations from ACS based on references in your Mendeley library.J. Org. Chem. 67, 5553-5566 (2002). Article CAS Google Scholar Fu, G. C. The development of versatile methods for palladium-catalyzed coupling reactions of aryl electrophiles through the ...The Journal of Organic Chemistry 1988, 53, 3, 708-710 (Article) Publication Date (Print): February 1, 1988. First Page. PDF. Enantioselective synthesis of the bottom half of chlorothricolide. 2. A comparative study of substituent effects on the stereoselectivity of the key intramolecular Diels-Alder reaction. William R. Roush.The Journal of Organic Chemistry 1982, 47, 13, 2517-2520 (Article) Publication Date (Print): June 1, 1982. First Page. PDF. Substituent effects on the regioselectivity of intramolecular carbene carbon-hydrogen insertion. Cyclizations of 1- and 5-substituted 2-adamantylidenes. Sanja Hirsl-Starcevic. and. Zdenko Majerski.Download Hi-Res Image Download to MS-PowerPoint Cite This: J. Org. Chem. 1994, 59, 15, 4096-4103. ADVERTISEMENT. RETURN TO ISSUE PREV Article NEXT. A Practical Guide to First-Order Multiplet Analysis in 1H NMR Spectroscopy. Thomas R. Hoye, Paul R. Hanson, and ; James R. Vyvyan;European Journal of Organic Chemistry: EarlyView - Chemistry Europe Skip to Main Content Chemistry Europe Journals O as hydrogen sources with Zn reductants. Lewis-acid co-catalysts facilitated reactions and promoted transesterification. Introduction of 1 atm of H allowed catalytic metal reductant loading.An Enantioselective Synthesis of (−)-Allosamidin by Asymmetric Desymmetrization of a Highly Functionalized meso -Epoxide. Darren J. Kassab. and. Bruce Ganem. The Journal of Organic Chemistry 1999, 64, 6, 1782-1783 (Communication) Publication Date (Web): February 20, 1999. Full text.Synthesis of Medium-Ring-Sized Benzolactams by Using Strong Electrophiles and Quantitative Evaluation of Ring-Size Dependency of the Cyclization Reaction Rate. Hiroaki Kurouchi. and. Tomohiko Ohwada *. The Journal of Organic Chemistry 2020, 85, 2, 876-901 (Article) Publication Date (Web): December 4, 2019. Abstract. These questions gain further importance in the context of process chemistry, where the focus is the development of scalable processes that enable the large-scale delivery of clinical supplies. In this paper, we describe our efforts to apply a wide variety of standard, photo-, and electrochemical sp 2 -sp 3 cross-coupling methods to a ...Recent Advances in Employing Catalytic Donors and Acceptors in Electron Donor-Acceptor Complex Photochemistry. Tarannum Tasnim. , Mayokun J. Ayodele. , and. Spencer P. Pitre *. The Journal of Organic Chemistry 2022, 87, 16, 10555-10563 (JOCSynopsis) Publication Date (Web): July 29, 2022. Abstract.The primary alcohols 1a−e and ethers 4a−d were effectively reduced to the corresponding hydrocarbons 2 by HSiEt3 in the presence of catalytic amounts of B(C6F5)3. To the best of our knowledge, this is the first example of catalytic use of Lewis acid in the reduction of alcohols and ethers with hydrosilanes. The secondary alkyl ethers 4j,k …In this study, a modular approach toward cyclic sulfoximines and sulfondiimines via palladium-catalyzed intramolecular C-H/C-C activation reactions was reported. Various 1,2-benzothiazines including bicyclic, tricyclic, highly fused ones, ones of the seven-membered ring, along with 1,2-benzothiazine 1-imines were accessed in good yields. KIE experiment demonstrated that the C-H bond ...Please note: If you switch to a different device, you may be asked to login again with only your ACS ID.An N-heterocyclic carbene organocatalytic 1,4-difunctionalization of 1,3-enynes was developed. This organocatalytic strategy was suitable for a broad spectrum of substrates to efficiently synthesize allenic ketones bearing diverse substituents. Preliminary mechanistic studies suggest a radical reaction pathway for this organocatalytic ….
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