Works matching IS 0018019X AND DT 1972 AND VI 55 AND IP 6
Results: 53
Carbon Magnetic Resonance Spectra of α, β, γ, δ- and α, β, α′, β′- Unsaturated Ketones.
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. 2030, doi. 10.1002/hlca.19720550622
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Electrophilic Aromatic Substitution of Groups other than Hydrogen. Part I: Ipso Factors and Rate-Limiting Steps in Dehalogenations by Diazonium Ions. 26th communication on diazo coupling reactions.
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. 2139, doi. 10.1002/hlca.19720550633
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α-Chlor-nitrone I: Darstellung und Ag<sup>+</sup>-induzierte Reaktion mit Olefinen. Über synthetische Methoden, 5. (vorläufige) Mitteilung.
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. 2187, doi. 10.1002/hlca.19720550640
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Nucleoside und Nucleotide. Teil 3. Über die Polykondensation von Thymidin-3′-phosphat nach der Triestermethode.
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. 1928, doi. 10.1002/hlca.19720550611
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Note Concerning the Concepts of Reaction Numbers, Independent Reactions and Resistant Groups in Chemical Thermodynamics and Kinetics.
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. 2263, doi. 10.1002/hlca.19720550651
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Nachbargruppeneffekte bei massenspektrometrischen Fragmentierungsreaktionen: substituierte 1,3-Diaminopropan-Derivate. 17. Mitteilung über das massenspektrometrische Verhalten von Stickstoffverbindungen.
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. 1883, doi. 10.1002/hlca.19720550604
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Die Totalsynthese des Alkaloids Rhoeadin.
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. 2228, doi. 10.1002/hlca.19720550644
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Struktur von Coleon E, einem neuen diterpenoiden Methylenchino aus der Coleus barbatus-Gruppe ( Labiatae).
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. 1994, doi. 10.1002/hlca.19720550619
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Synthèses dans la série des-indéno-fluorénes, VII. Le trioxo-5,12,13-dihydro-12,13-5 H-bis-indéno[2.1- a; 2′.1′- g] fluoréne.
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. 1973, doi. 10.1002/hlca.19720550615
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Magnetic Circular Dichroism Studies XXIII [1] Magnetic Circular Dichroism Spectra of Indole Alkaloids.
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. 2168, doi. 10.1002/hlca.19720550637
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Sur l'acylation des mäthylfluorànes V. Formylation selon Rieche du mäthy1-1-fluoráne.
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. 1910, doi. 10.1002/hlca.19720550608
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The Migratory Aptitude of the Ethoxycarbonyl Group in the Pinacol Rearrangement. Preliminary communication.
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. 2252, doi. 10.1002/hlca.19720550648
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Dipolmoment und Konformation von Imino-äther-Derivaten.
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. 1921, doi. 10.1002/hlca.19720550610
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Mercaptokomplexe von Indium(III).
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. 2065, doi. 10.1002/hlca.19720550626
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Über das Lipoxygenase-« Lipoperoxidase »-System in Cerealien: III. Zur Kinetik des enzymatischen Abbaues von Linolsäurehydroperoxiden.
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. 2257, doi. 10.1002/hlca.19720550650
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Steroidal Heterocycles 15. 4,4-Dialkyl-Δ<sup>5</sup>-3-oxosteroids, 1,4′-spiro [cycloalkyl-Δ<sup>5</sup>hyphen;3-oxo-steroids] and Derivatives.
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. 2014, doi. 10.1002/hlca.19720550620
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Studies in the Helicene Series NMR. Evidence of 'Helicene-like' Conformations in the cis 1,2-Diarylethylenes. Part XVII.
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. 2241, doi. 10.1002/hlca.19720550646
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Heuristic Programming as an Ion Generator in Mass Spectrometry. I. Generation of Primary Ions with Charge Localization.
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. 2017, doi. 10.1002/hlca.19720550621
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Bestimmung der Verteilung von Tritiumatomen in aliphatischen Mono- und Dicarbonsäuren.
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. 2133, doi. 10.1002/hlca.19720550632
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Stoffwechselprodukte von Mikroorganismen. 107. Mitteilung [1]. Die Struktur des Chlorothricins, eines neuartigen Makrolid-Antibioticums.
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. 2071, doi. 10.1002/hlca.19720550627
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The Reaction of Bicyclo [3.2.1] octenyl Halides with Metal Hydrides.
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. 2214, doi. 10.1002/hlca.19720550643
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Conformational Studies of Cyclic Pentapeptides by Proton Magnetic Resonance Spectroscopy.
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. 1962, doi. 10.1002/hlca.19720550614
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A Chemical Study of Burley Tobacco Flavour ( Nicotiana tabacum L.). I. Volatile to medium-volatile constituents (b.p. ≦ 84°/0.001 Torr.
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. 1866, doi. 10.1002/hlca.19720550603
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Über die Alkaloide von Anisocyclea grandidieri H. Bn. (Menispermaceae).
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. 2061, doi. 10.1002/hlca.19720550625
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The Crystal and Molecular Structure of 3,5,7-Triphenyl-4 H-1,2-Diazepine Picrate.
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. 2159, doi. 10.1002/hlca.19720550636
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Reaction of 2-Methylenenorbornane with N-Bromosuccinimide.
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. 2244, doi. 10.1002/hlca.19720550647
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Composés d'addition des halogénures de niobium(V) et de tantale(V): VI. Réactions d'échange des composés du chlorure de niobium(V) avec quelques nitriles.
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. 1903, doi. 10.1002/hlca.19720550607
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Preparation, Properties and Structure of Phenylthionophosphine Oxide (Phenylmonothiophosphonic Anhydride), [C<sub>6</sub>H<sub>5</sub>P(S)O]<sub>3</sub>.
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. 1991, doi. 10.1002/hlca.19720550618
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The Mechanism of the Acid-catalysed Hydrolysis of 1-Aryl-2,2,2-trifluorodiazoethanes.
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. 2103, doi. 10.1002/hlca.19720550629
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Indolalkaloide aus den Blättern von Hedranthera barteri (Hook. f.) Pichon. 146. Mitteilung über Alkaloide.
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. 1849, doi. 10.1002/hlca.19720550602
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Dérivés C-glycosyliques VIII. Synthèse de C-glycosyl-3-pyrazoles à partir d'une nitrilimine dérivée de l'anhydro-2,5- D-ribose. Compétition entre cyclo-additions dipolaires-1,3 et cyclisations non concertés
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. 2121, doi. 10.1002/hlca.19720550631
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α-Chlor-nitrone III: Ein Weg zur indirekten «carboxolytischen» Spaltung von Olefin-Doppelbindungen. Über synthetische Methoden, 7. (vorläufige) Mitteilung.
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. 2205, doi. 10.1002/hlca.19720550642
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Stabilité des paires ioniques europium et terbium-iodate, bromate et chlorate.
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. 1959, doi. 10.1002/hlca.19720550613
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Synthese von [2,7-Cystin]-Gramicidin S, einem künstlichen homodet-heterodet-bicyclischen Decapeptid.
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. 2052, doi. 10.1002/hlca.19720550624
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Mitteilungen - Communications.
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. 2273, doi. 10.1002/hlca.19720550653
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- Article
Kinetic Salt Effect in the <sup>18</sup>O-Exchange Reaction between Bromate and Water.
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. 2154, doi. 10.1002/hlca.19720550635
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Beitrüge zur Chemie der Si-N-Bindung, XXII N,N′-Tetrakis(trimethylsilyl)methylendiamin.
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. 1901, doi. 10.1002/hlca.19720550606
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Exchange Equilibrium of Oxygen Isotopes between BrO.
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. 2178, doi. 10.1002/hlca.19720550638
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Über das Aroma der gelben Passionsfrucht. ( Passiflora edulis f. flavicarpa). Vorläufige Mitteilung.
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. 1916, doi. 10.1002/hlca.19720550609
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The Acid-catalyzed Isomerization of an α-Ketoester into β-Ketoesters and the Unusual Fragmentation of an α-Ketoester. Preliminary communication.
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. 2255, doi. 10.1002/hlca.19720550649
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Surface chemistry of polymers Adsorption and absorption of gases by polyvinylchloride.
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. 1987, doi. 10.1002/hlca.19720550617
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Stoffwechselprodukte von Mikroorganismen. 108. Mitteilung. Kristallstrukturanalyse des Chlorothricolid-methylesters.
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. 2094, doi. 10.1002/hlca.19720550628
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Isolierung von 11α, 11′α-Dihydroxychaetocin aus Verticillium tenerum.
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. 2182, doi. 10.1002/hlca.19720550639
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Utilisation d'ylides du phosphore en chimie des sucres. XII Dérivés du D- arabino-hexène-1-tétrol-3,4,5,6.
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. 2112, doi. 10.1002/hlca.19720550630
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Masthead.
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. fmi, doi. 10.1002/hlca.19720550601
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α-Chlor-nitrone II: Eine Methode zur Darstellung von γ-Lactonen aus Olefinen. Über synthetische Methoden, 6. (vorläufige) Mitteilung.
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. 2198, doi. 10.1002/hlca.19720550641
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Über die Synthese von in 1-Stellung substituierten 4-Nitro-acridonen.
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. 1948, doi. 10.1002/hlca.19720550612
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Erratum.
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. 2273, doi. 10.1002/hlca.19720550652
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Einlagerung hochenergetischer Tritiumatome in cis-Cycloocten.
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. 2045, doi. 10.1002/hlca.19720550623
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Electrophilic Aromatic Substitution of Groups other than Hydrogen. Part II: S<sub>N</sub>1-Type Desulfonation of 2-Naphthol-1-sulfonic Acid by Diazonium Ions in Aprotic Apolar Solvents. 27th communication on diazo coupling reactions.
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- Helvetica Chimica Acta, 1972, v. 55, n. 6, p. 2146, doi. 10.1002/hlca.19720550634
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