Works matching DE "KETENES"
Results: 327
An antibiotic factory caught in action.
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- Nature Structural & Molecular Biology, 2004, v. 11, n. 9, p. 888, doi. 10.1038/nsmb808
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Biosynthetic Origin of the Carbon Skeleton and Nitrogen Atom of Pamamycin-607, a Nitrogen-Containing Polyketide.
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- Bioscience, Biotechnology & Biochemistry, 2005, v. 69, n. 2, p. 315, doi. 10.1271/bbb.69.315
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The study of the PES and the reaction mechanism between ketene and Lithium Carbenoids and the formation of cyclopropanone.
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- Theoretical Chemistry Accounts: Theory, Computation, & Modeling, 2023, v. 142, n. 4, p. 1, doi. 10.1007/s00214-023-02965-2
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Revisiting roaming trajectories in ketene isomerization at higher dimensionality.
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- Theoretical Chemistry Accounts: Theory, Computation, & Modeling, 2014, v. 133, n. 9, p. 1, doi. 10.1007/s00214-014-1528-z
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Roaming dynamics in ketene isomerization.
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- Theoretical Chemistry Accounts: Theory, Computation, & Modeling, 2014, v. 133, n. 7, p. 1, doi. 10.1007/s00214-014-1507-4
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A variational transition state theory description of periselectivity effects on cycloadditions of ketenes with cyclopentadiene.
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- Theoretical Chemistry Accounts: Theory, Computation, & Modeling, 2011, v. 128, n. 4-6, p. 569, doi. 10.1007/s00214-010-0792-9
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An Efficient One-Pot Four-Component Synthesis of Functionalized Imidazo[1,2- a]pyridines.
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- Helvetica Chimica Acta, 2013, v. 96, n. 3, p. 525, doi. 10.1002/hlca.201200231
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Mechanistic Investigation of the Ring Opening in the Staudinger Cycloaddition Involving Ketenes with Electron-Withdrawing Substituents.
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- Helvetica Chimica Acta, 2012, v. 95, n. 7, p. 1079, doi. 10.1002/hlca.201100483
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1,2-Bis(trifluoromethyl)ethene-1,2-dicarbonitrile: Enol Ethers and Ketene Acetals as Cycloaddition Partners.
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- Helvetica Chimica Acta, 2012, v. 95, n. 7, p. 1049, doi. 10.1002/hlca.201200217
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1,2-Bis(trifluoromethyl)ethene-1,2-dicarbonitrile and Vinyl Ethers: Cyclic Ketene Imines on the Pathway to 1 : 2 Cycloadducts.
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- Helvetica Chimica Acta, 2012, v. 95, n. 5, p. 673, doi. 10.1002/hlca.201200047
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Preparation of Pseudo-Peptide Building Blocks with retro-Thioamide Bond Mediated via Thiocarbamoyl Meldrum's Acid.
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- Helvetica Chimica Acta, 2012, v. 95, n. 3, p. 461, doi. 10.1002/hlca.201100347
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New Polyketides Isolated from Botryosphaeria australis Strain ZJ12-1A.
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- Helvetica Chimica Acta, 2011, v. 94, n. 5, p. 897, doi. 10.1002/hlca.201000345
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A Facile and Efficient Synthesis of ArylsulfonamidoSubstituted 1,5Benzodiazepines and N23Benzoylthioureidoaryl3oxobutanamide Derivatives.
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- Helvetica Chimica Acta, 2010, v. 93, n. 6, p. 1221, doi. 10.1002/hlca.200900364
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Stereoselective Total Synthesis of 11β11Methoxycurvularin.
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- Helvetica Chimica Acta, 2010, v. 93, n. 1, p. 147, doi. 10.1002/hlca.200900136
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Selenium-Containing Heterocycles from Isoselenocyanates: Base-Catalyzed Reaction of Malononitrile with Phenyl Isoselenocyanate and Bromoacetonitrile or α-Halogenated Ketones.
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- Helvetica Chimica Acta, 2007, v. 90, n. 10, p. 1849, doi. 10.1002/hlca.200790194
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Exploring the Border between Concerted and Two-Step Pathways of 1,3-Dipolar Cycloadditions of Organic Azides to Cyclic Ketene N,X-Acetals. Synthesis and 15N-NMR Spectra of Zwitterions and Spirocyclic CycloadductsMost of the results are parts of the Ph. D. Theses by M. Ach (1992), T. Hergenrther (1992), and D. Regnat (1990), and the Diploma Thesis (1990) and unpublished results (199192) by J. Balthasar, Universitt Wrzburg.
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- Helvetica Chimica Acta, 2005, v. 88, n. 6, p. 1589
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A Chain initiation factor common to both modular and aromatic polyketide synthases.
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- Nature, 1999, v. 401, n. 6752, p. 502, doi. 10.1038/46829
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A new pathway for polyketide synthesis in microorganisms.
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- Nature, 1999, v. 400, n. 6747, p. 897, doi. 10.1038/23748
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Annonaceous acetogenins from the seeds of Annona squamosa.
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- Chemistry of Natural Compounds, 2010, v. 46, n. 1, p. 101, doi. 10.1007/s10600-010-9538-0
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The synthesis and antimicrobial activity of 6-aryl-2-spiro-substituted 5-trichloroacetyl-4H-1,3-dioxin-4-onesS.
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- Chemistry of Heterocyclic Compounds, 2024, v. 60, n. 7/8, p. 351, doi. 10.1007/s10593-024-03346-8
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Two-atom azirine ring expansion reaction of methyl 2-diazo-3-(4-methoxyphenyl)-3-oxopropanoate via a dirhodium tetraacetate-catalyzed Wolff rearrangement.
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- Chemistry of Heterocyclic Compounds, 2017, v. 53, n. 9, p. 985, doi. 10.1007/s10593-017-2160-3
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INFLUENCE OF FILLERS ON SIZING EFFICIENCY AND HYDROLYSIS OF ALKYL KETENE DIMER.
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- Canadian Journal of Chemical Engineering, 2005, v. 83, n. 3, p. 603
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Effect of Resin Acid and Hemicelluloses on Alkyl Ketene Dimer Sizing.
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- Journal of Adhesion Science & Technology, 2011, v. 25, n. 6/7, p. 743, doi. 10.1163/016942410X525984
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Scanning Electron Microscopy and Kinetic Studies of Ketene-Acetylated Wood/Cellulose High-Density Polyethylene Blends.
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- International Journal of Carbohydrate Chemistry, 2012, p. 1, doi. 10.1155/2012/456491
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A one-pot reaction of (chlorocarbonyl) phenyl ketene with β-ketoamides and thiochromen-2-one.
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- Journal of the Iranian Chemical Society, 2013, v. 10, n. 2, p. 237, doi. 10.1007/s13738-012-0146-8
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One-Pot Synthesis of Pyrano[2,3-d]pyrimidinone Derivatives Catalyzed by L-Proline in Aqueous Media.
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- Journal of the Iranian Chemical Society, 2009, v. 6, n. 2, p. 436, doi. 10.1007/BF03245854
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Ketene 3‐Component Staudinger Reaction (K‐3CSR) to β‐Lactams: A New Entry in the Class of Photoinduced Multicomponent Reactions.
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- European Journal of Organic Chemistry, 2021, v. 2021, n. 22, p. 3270, doi. 10.1002/ejoc.202100577
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Diastereoselective Synthesis of γ‐Lactones through Reaction of Sulfoxonium Ylides, Aldehydes, and Ketenes: Substrate Scope and Mechanistic Studies.
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- European Journal of Organic Chemistry, 2021, v. 2021, n. 1, p. 151, doi. 10.1002/ejoc.202001233
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Ketenedithioacetals as Surrogates for the Formal Insertion of Ketenes into Donor–Acceptor Cyclopropanes.
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- European Journal of Organic Chemistry, 2020, v. 2020, n. 17, p. 2560, doi. 10.1002/ejoc.202000233
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Synthesis of Fused Indoline‐Cyclobutanone Derivatives via an Intramolecular [2+2] Cycloaddition.
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- European Journal of Organic Chemistry, 2019, v. 2019, n. 31/32, p. 5169, doi. 10.1002/ejoc.201900326
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Cascade S<sub>N</sub>2′-S<sub>N</sub>Ar, Elimination, and 1,5-Hydride Shift Reactions by Acetylacetone/Acetoacetic Esters: Synthesis of 9,10-Dihydroacridines.
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- European Journal of Organic Chemistry, 2016, v. 2016, n. 29, p. 4981, doi. 10.1002/ejoc.201600911
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One-Pot Silyl Ketene Acetal-Formation Mukaiyama-Mannich Additions to Imines Mediated by Trimethylsilyl Trifluoromethanesulfonate.
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- European Journal of Organic Chemistry, 2015, v. 2015, n. 33, p. 7287, doi. 10.1002/ejoc.201500958
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Trimethylsilyloxide-Catalysed Peterson Olefinations with 2,2-Bis(trimethylsilyl)-1,3-dithiane.
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- European Journal of Organic Chemistry, 2015, v. 2015, n. 33, p. 7259, doi. 10.1002/ejoc.201501185
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Palladium-Catalyzed Desulfurative Carbocyclizations of α-(3-Butenoyl) Ketene Dithioacetals in the Presence of Silanes.
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- European Journal of Organic Chemistry, 2015, v. 2015, n. 21, p. 4611, doi. 10.1002/ejoc.201500453
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Characterization of Giant Modular PKSs Provides Insight into Genetic Mechanism for Structural Diversification of Aminopolyol Polyketides.
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- Angewandte Chemie International Edition, 2017, v. 56, n. 7, p. 1740, doi. 10.1002/anie.201611371
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Chiral Allenes via Alkynylogous Mukaiyama Aldol Reaction.
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- Angewandte Chemie International Edition, 2016, v. 55, n. 31, p. 8962, doi. 10.1002/anie.201603649
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The 2-Arsaethynolate Anion: Synthesis and Reactivity Towards Heteroallenes.
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- Angewandte Chemie International Edition, 2016, v. 55, n. 30, p. 8536, doi. 10.1002/anie.201602310
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Ketene as a Reaction Intermediate in the Carbonylation of Dimethyl Ether to Methyl Acetate over Mordenite.
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- Angewandte Chemie International Edition, 2015, v. 54, n. 25, p. 7261, doi. 10.1002/anie.201410974
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Total Synthesis of Gracilioether F: Development and Application of Lewis Acid Promoted Ketene-Alkene [2+2] Cycloadditions and Late-Stage CH Oxidation.
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- Angewandte Chemie International Edition, 2014, v. 53, n. 52, p. 14522, doi. 10.1002/anie.201408055
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Evaluation of Critical Operating Conditions for a Semi-batch Reactor by Complementary Use of Sensitivity and Divergence Criteria.
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- Chemical & Biochemical Engineering Quarterly, 2011, v. 25, n. 1, p. 9
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Fungal metabolism: Completing the circle.
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- Nature Reviews Microbiology, 2009, v. 7, n. 12, p. 842, doi. 10.1038/nrmicro2276
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A novel amphiphilic nano hydrogel using ketene based polyester with polyacrylamide for controlled drug delivery system.
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- Journal of Materials Science: Materials in Medicine, 2008, v. 19, n. 9, p. 3005, doi. 10.1007/s10856-008-3430-5
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Type I Polyketide Synthases May Have Evolved Through Horizontal Gene Transfer.
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- Journal of Molecular Evolution, 2005, v. 60, n. 6, p. 716, doi. 10.1007/s00239-004-0161-1
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Evolutionary Affiliations Within the Superfamily of Ketosynthases Reflect Complex Pathway Associations.
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- Journal of Molecular Evolution, 2003, v. 56, n. 4, p. 446, doi. 10.1007/s00239-002-2415-0
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Reactions of ketene aminals with n-arylmaleimides and dimethyl acetylenedicarboxylate, a direct pathway to derivatives of pyrrolo[1,2- a]imidazole and imidazo[1,2- a]pyridine.
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- Chemistry of Heterocyclic Compounds, 2012, v. 48, n. 8, p. 1204, doi. 10.1007/s10593-012-1123-y
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Dioxothietanylation of NH-heterocycles.
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- Chemistry of Heterocyclic Compounds, 2011, v. 47, n. 4, p. 519, doi. 10.1007/s10593-011-0791-3
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4-Hydroxy-2-quinolones 119. Reaction of ethyl 1-R-4-chloro-2-oxo-1,2-dihydroquinoline-3-carboxylate with malononitrile.
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- Chemistry of Heterocyclic Compounds, 2007, v. 43, n. 6, p. 722, doi. 10.1007/s10593-007-0118-6
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Ketene S,S-acetals in the synthesis of some new fused pyrimidine derivatives.
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- Chemistry of Heterocyclic Compounds, 2007, v. 43, n. 3, p. 382, doi. 10.1007/s10593-007-0056-3
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Investigation of the Interaction of 5-Aryl-2,3-dihydro-2,3-furandiones with Compounds Containing C=N and C≡N Bonds Simultaneously.
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- Chemistry of Heterocyclic Compounds, 2005, v. 41, n. 10, p. 1245, doi. 10.1007/s10593-005-0310-5
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Regioselective Cycloaddition of Azomethines and Carbodiimides to Aroyl(quinoxalinyl)ketenes.
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- Chemistry of Heterocyclic Compounds, 2004, v. 40, n. 2, p. 247, doi. 10.1023/B:COHC.0000027901.78882.86
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