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The synthesis of heteroaromatic nitro compounds from 3-nitrochromone.
- Published in:
- Journal of Heterocyclic Chemistry, 1981, v. 18, n. 3, p. 619, doi. 10.1002/jhet.5570180336
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- Article
Perhydro-1,3-diazepine-2,4-diones by cyclization of 4-ureidobutyric acids with thionyl chloride: A reinvestigation.
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- Journal of Heterocyclic Chemistry, 2000, v. 37, n. 1, p. 111, doi. 10.1002/jhet.5570370118
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- Article
Comments on 'Piperidone derivative from Dalbergia sympathetica'.
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- Magnetic Resonance in Chemistry, 2006, v. 44, n. 5, p. 571, doi. 10.1002/mrc.1783
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- Article
2-Chloro-3-(dimethylamino)prop-2-enoyl Fluoride, a Stable Acyl Fluoride.
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- Helvetica Chimica Acta, 2002, v. 85, n. 2, p. 516, doi. 10.1002/1522-2675(200202)85:2<516::AID-HLCA516>3.0.CO;2-1
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- Article
The Enantioselective Synthesis of the 'Southern Part' of Soraphen A.
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- Helvetica Chimica Acta, 1995, v. 78, n. 1, p. 122, doi. 10.1002/hlca.19950780112
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- Article
Die Synthese von Azaisomeren des Triesters von PQQ: 3 H-Pyrrolo[3,2- f]-, 1 H-Pyrrolo[3,2- h]- und 7 H-Pyrrolo[2,3- h]chinolinchinon-Derivate.
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- Helvetica Chimica Acta, 1994, v. 77, n. 1, p. 111, doi. 10.1002/hlca.19940770114
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- Article
Synthese und Eigenschaften der Furo- und Thieno-Analogen von PQQ-Triester.
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- Helvetica Chimica Acta, 1994, v. 77, n. 1, p. 100, doi. 10.1002/hlca.19940770113
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- Article
Derivatisierung von PQQ und PQQ-Triester für den Nachweis von PQQ.
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- Helvetica Chimica Acta, 1993, v. 76, n. 4, p. 1678, doi. 10.1002/hlca.19930760425
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- Article
Das Diazo-chinon von PQQ als mögliches Reagenz für die Kartierung von Chinoproteinen mittels Photoaffinitätsmarkierung.
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- Helvetica Chimica Acta, 1993, v. 76, n. 4, p. 1674, doi. 10.1002/hlca.19930760424
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- Article
Zur Herstellung von PQQ in kg-Mengen.
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- Helvetica Chimica Acta, 1993, v. 76, n. 4, p. 1667, doi. 10.1002/hlca.19930760423
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- Article
Eine neue einfache Synthese spirocyclischer 1 H-Chinolin-Derivate.
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- Helvetica Chimica Acta, 1992, v. 75, n. 4, p. 1274, doi. 10.1002/hlca.19920750428
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- Article
Spiro[1,3-benzoxathiepin-4(5 H),1′-cyclohexa[2,4]diene]-2,2′-dione, a Novel Heterocyclic Ring System.
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- Helvetica Chimica Acta, 1992, v. 75, n. 3, p. 729, doi. 10.1002/hlca.19920750308
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- Article
4,10a-(Epidithio)-4,4a,10,10a-tetrahydro-1 H-5-oxaanthracen-1-ones, tetracycles with a novel heterocyclic ring system.
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1101, doi. 10.1002/hlca.19880710524
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- Article
The dimeric and polymeric anhydride of 2,3- O-isopropylidene-β- D-ribofuranose. An NMR study.
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- Helvetica Chimica Acta, 1988, v. 71, n. 1, p. 120, doi. 10.1002/hlca.19880710114
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- Article
Structures and Mutagenic Properties of Products Obtained by C-Nitrosation of Opipramol.
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- Helvetica Chimica Acta, 1987, v. 70, n. 5, p. 1296, doi. 10.1002/hlca.19870700509
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- Article
Synthesis of an Azathymidine and Its Incorporation into Oligonucleotides.
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- Angewandte Chemie International Edition, 1994, v. 33, n. 15/16, p. 1654, doi. 10.1002/anie.199416541
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- Article
( E,E)-5-Amino-2,4-pentadienal: The First Preparative Synthesis of Hydrolyzed Pyridine.
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- Angewandte Chemie International Edition, 1981, v. 20, n. 10, p. 881, doi. 10.1002/anie.198108811
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- Article
New chiral fluoroanthryl derivatives: Resolution of the enantiomers by chromatography on cellulose esters and their evaluation as chiral solvating agents in NMR spectroscopy.
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- Chirality, 1991, v. 3, n. 3, p. 177, doi. 10.1002/chir.530030307
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- Article
Effect of the orientation of substituents on the chemical shifts of <sup>13</sup>C. IV-<sup>13</sup>C NMR spectra of N, N-diisopropylamides and -thioamides.
- Published in:
- Magnetic Resonance in Chemistry, 1981, v. 16, n. 1, p. 36, doi. 10.1002/mrc.1270160111
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- Article
The <sup>13</sup>C NMR spectrum of coumarandione.
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- Magnetic Resonance in Chemistry, 1979, v. 12, n. 2, p. 101, doi. 10.1002/mrc.1270120213
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- Article
<sup>13</sup>C n.m.r. spectra of N, N-dialkylamides.
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- Magnetic Resonance in Chemistry, 1977, v. 9, n. 2, p. 108, doi. 10.1002/mrc.1270090212
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- Article
Reaktionen von 3-substituiertem 5-Trifluormethyl-1,3,4-oxadiazol-2(3 H)-on mit Nucleophilen.
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- Helvetica Chimica Acta, 1986, v. 69, n. 2, p. 333, doi. 10.1002/hlca.19860690211
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- Article
The Reaction of 4-Oxo-4 H-[1]benzopyran-3-carbaldehyde with 1,2-Benzenediamine. X-Ray Structure Analysis of the Reaction Product.
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- Helvetica Chimica Acta, 1985, v. 68, n. 7, p. 1933, doi. 10.1002/hlca.19850680717
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- Article
Synthesis of Substituted 2-Amino-6 H-1,3-oxazin-6-ones.
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- Helvetica Chimica Acta, 1985, v. 68, n. 5, p. 1155, doi. 10.1002/hlca.19850680510
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- Article
Nukleophile Reaktionen an 2-Phenylindolenin-3-onen.
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- Helvetica Chimica Acta, 1984, v. 67, n. 8, p. 2186, doi. 10.1002/hlca.19840670820
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- Article
The Structure of Diastereomeric Oxaprotiline Metabolites. An NMR Study.
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- Helvetica Chimica Acta, 1984, v. 67, n. 8, p. 2082, doi. 10.1002/hlca.19840670809
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- Article
Mechanismus der decarboxylativen Dimerisierung von Maleinsäureanhydrid zu Dimethylmaleinsäureanhydrid unter Einfluss von 2-Aminopyridin.
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- Helvetica Chimica Acta, 1984, v. 67, n. 7, p. 1897, doi. 10.1002/hlca.19840670728
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- Article
Ringtransformationen von 3-substituiertem 5-Trifluormethyl-1,3,4-thiadiazol-2(3 H)-on mit Nucleophilen.
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- Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2714, doi. 10.1002/hlca.19830660841
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- Article
The Tautomerism of 1,3,4-Thiadiazol-2 (3 H)-ones. A <sup>15</sup>N-NMR-Study.
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- Helvetica Chimica Acta, 1983, v. 66, n. 6, p. 1755, doi. 10.1002/hlca.19830660614
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- Article
Notiz über die Reaktion von Methylhydrazin mit N-Cyano-azomethinen. Abhängigkeit des Reaktionsverlaufs von der Natur der Abgangsgruppe.
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- Helvetica Chimica Acta, 1983, v. 66, n. 4, p. 1129, doi. 10.1002/hlca.19830660416
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- Article
Über die Dicyanierung der 1,4-Diaminoanthrachinone und die Reaktivität der 1,4-Diamino-9,10-dihydroanthracen-2,3-dicarbonitrile gegenüber nucleophilen Reagenzien 3. Mitteilung über Arylierungen und Heterocyclisierungen von Anthrachinonsystemen
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- Helvetica Chimica Acta, 1983, v. 66, n. 2, p. 411, doi. 10.1002/hlca.19830660203
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- Article
Die Acylierung von 5-Amino-1 H-1, 2, 4-triazolen. Eine <sup>13</sup>C-NMR.-Studie.
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- Helvetica Chimica Acta, 1983, v. 66, n. 2, p. 694, doi. 10.1002/hlca.19830660233
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- Article
Synthese von heterocyclen. V. 1, 3, 4-thiadiazol-2 (3 H)-one.
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- Helvetica Chimica Acta, 1982, v. 65, n. 8, p. 2606, doi. 10.1002/hlca.19820650833
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- Article
[2+2]-Cycloaddition von Ketenen an «Maleinisoimide» und Überführung der spiroverknüpften b̃-Laktame in Muconsäure- und Tetramsäurederivate.
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- Helvetica Chimica Acta, 1983, v. 66, n. 1, p. 362, doi. 10.1002/hlca.19830660132
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- Article
Arylierungen von cyclischen Guanidin-Analogen mit α-halogenierten Anthrachinonen: neue Anthrapyrimidine.
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- Helvetica Chimica Acta, 1982, v. 65, n. 7, p. 2318, doi. 10.1002/hlca.19820650737
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- Article
The Conformation of 1,6-Diaza-2,7-cyclodecadione in Solution.
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- Helvetica Chimica Acta, 1982, v. 65, n. 6, p. 1760, doi. 10.1002/hlca.19820650611
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- Article
Structural Analysis of Eukovoside, A New Phenylpropanoid Glycoside from Euphrasia rostkoviana HAYNE.
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- Helvetica Chimica Acta, 1982, v. 65, n. 5, p. 1538, doi. 10.1002/hlca.19820650526
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- Article
The Reaction of 3-Formylchromone with ortho-Substituted Anilines. Preparation of a Tetraaza [14]annulene.
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- Helvetica Chimica Acta, 1982, v. 65, n. 1, p. 275, doi. 10.1002/hlca.19820650128
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- Article
Umlagerung von α-Halogen- in α′-Halogen-cyclobutanone, Schlüsselstufe einer variationsreichen Synthese von Pyrethroiden.
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- Helvetica Chimica Acta, 1981, v. 64, n. 8, p. 2571, doi. 10.1002/hlca.19810640813
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- Article
Xylostosidine: The First of a New Class of Monoterpene Alkaloid Glycosides from Lonicera Xylosteum L.
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- Helvetica Chimica Acta, 1980, v. 63, n. 4, p. 1045, doi. 10.1002/hlca.19800630432
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- Article
Synthesen von 3-Hydroxy-4-methyl-3-cyclobuten-1,2-dion (Methylmoniliformin).
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- Helvetica Chimica Acta, 1980, v. 63, n. 5, p. 1130, doi. 10.1002/hlca.19800630504
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- Article
Perkow Reaction Induced C,C-Bond Formation.
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- Helvetica Chimica Acta, 1980, v. 63, n. 2, p. 402, doi. 10.1002/hlca.19800630210
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- Article
Synthese von [1,2,4]Triazolo [1,5- a]chinazolinen. Ableitung der Konformation von Substituenten mit Hilfe der <sup>13</sup>C-NMR.-Spektroskopie.
- Published in:
- Helvetica Chimica Acta, 1980, v. 63, n. 1, p. 1, doi. 10.1002/hlca.19800630102
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- Article
Formation of Dichloro Oxiranes from Ketones under Phase Transfer Conditions,.
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- Helvetica Chimica Acta, 1979, v. 62, n. 4, p. 1275, doi. 10.1002/hlca.19790620438
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- Article
Die Struktur der durch Halogenierung von Furfural in Wasser gebildeten Oxydationsprodukte.
- Published in:
- Helvetica Chimica Acta, 1978, v. 61, n. 8, p. 3103, doi. 10.1002/hlca.19780610838
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- Article
Die Reaktion von 4,6-Dinitroisophthalaldehyd und 4,6-Dinitroisophthalonitril mit Pyridin.
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- Helvetica Chimica Acta, 1978, v. 61, n. 5, p. 1778, doi. 10.1002/hlca.19780610525
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- Article
Einfluss der Orientierung von Substituenten auf die chemische Verschiebung von <sup>13</sup>C. II. <sup>13</sup>C-NMR.-spektroskopische Untersuchung von substituierten Spiro [cyclopropan-1′,9-fluorenen].
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- Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 661, doi. 10.1002/hlca.19780610213
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- Article
Zur Stereochemie der aromatischen Claisen-Umlagerung. Thermische Umlagerung von erythroiden und threoiden ortho-Dienonen.
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- Helvetica Chimica Acta, 1977, v. 60, n. 7, p. 2436, doi. 10.1002/hlca.19770600731
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- Article
Neue, ungewöhnlich verlaufende Arylierungen der 1,5-Dihydroxy-4,8-diaminoanthrachinon-2,6-disulfonsäure mit Kresolen.
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- Helvetica Chimica Acta, 1976, v. 59, n. 8, p. 2999, doi. 10.1002/hlca.19760590838
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- Article
Umwandlung von 6-Methyliden-tricyclo[3.2.1.0<sup>2,7</sup>]oct-3-en-8-onen in Norcaradien/Cycloheptatrien-Derivate.
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- Helvetica Chimica Acta, 1976, v. 59, n. 5, p. 1763, doi. 10.1002/hlca.19760590535
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- Article