Topics In Organic Polarography

Front Matter....Pages i-ix
Introduction....Pages 1-14
Front Matter....Pages 15-15
Preparative Methods used in the Elucidation of Organic Electrode Processes....Pages 16-33
Front Matter....Pages 35-36
Polarographic Reduction of Aldehydes and Ketones. I. General Reduction Scheme....Pages 37-48
Polarographic Reduction of Aldehydes and Ketones. II. pH-Dependence of Polarographic Limiting Currents of Aryl Alkyl Ketones Governed by the Rate of Simultaneous Reactions with Several Acids Producing the Electroactive Species....Pages 49-56
Polarographic Reduction of Aldehydes and Ketones. III. Effects of Alkyl Groups in the Side Chain on the Half-Wave Potentials of Deoxybenzoins and Some Other Alkyl Aryl Ketones....Pages 57-65
Polarographic Reduction of Aldehydes and Ketones. IV. Linear Free Energy Treatment of Substituted Benzophenones....Pages 66-79
Desorption of 3-Phenylpropionaldehyde preceding Polarographic Reduction....Pages 80-81
Direct Polarographic Determination of Pyridoxal in the Presence of Pyridoxal-5-Phosphate....Pages 82-83
Polarographie der Steroide III. Polarographische Reduktion der Steroide mit Aldehydgruppe in Stellung 18....Pages 84-90
Polarographic Behaviour of p -Diacetylbenzene; An Example of a Compound with Two Electroactive Centers....Pages 91-109
Further Examples of para - and ortho -Disubstituted Benzene Derivatives Reduced in a Reversible Two-Electron Step into Products of Limited Stability....Pages 110-118
Front Matter....Pages 119-119
Fission of Activated Carbon-Nitrogen and Carbon-Sulphur Bonds. II. Polarographic Reduction of β-Amino Ketones....Pages 120-131
Fission of Activated Carbon-Nitrogen and Carbon-Sulphur Bonds. V. Polarographic Study of Elimination of β-Morpholino Propiophenone....Pages 132-143
Fission of Activated Carbon-Nitrogen and Carbon-Sulfur Bonds. IX. Polarographic Study of Addition of Primary Amines to Phenyl Vinyl Ketone....Pages 144-157
Polarographic Reduction of Aldehydes and Ketones. V. Reduction Course of Some β-Ketosulphides and Effects of Alkyl Groups on Sulphur....Pages 158-165
Fission of Activated Carbon-Nitrogen and Carbon-Sulfur Bonds. VIII. Elimination of β-Piperidinoethyl Phenyl Sulfone Methoiodide and Reaction of Phenyl Vinyl Sulfone with Hydroxyl Ions....Pages 166-173
Slowly Established Acid-Base Equilibrium in Organic Polarography Tautomeric Changes Between 3 -Thianaphthenone and 3 -Hydroxythianaphthene....Pages 174-181
Front Matter....Pages 183-183
Role of Keto-Enol Tautomerism in the Polarographical Reduction of Some Carbonyl Compounds....Pages 184-189
Fission of Activated Carbon-Nitrogen and Carbon-Sulfur Bonds. VII. Kinetics of Ketol Formation from α,β-Unsaturated Ketones in Alkaline Media....Pages 190-210
Polarographic Reduction of Cinnamaldehyde; Comparison with 3 -Phenylpropionaldehyde and Phenylpropargylaldehyde....Pages 211-218
Front Matter....Pages 183-183
Polarographie der Steroide I. Direkt Reduzierbare Ketosteroide: Δ 4 -Cholestenon, Methyltestosteron, Testosteron, Progesteron und Desoxycorticosteron....Pages 219-230
Front Matter....Pages 231-231
Fission of Activated Carbon-Nitrogen and Carbon-Sulphur Bonds....Pages 232-234
Fission of Activated Carbon—Nitrogen and Carbon—Sulphur Bonds. I. Polarographic Reduction of the Single C—N-Bond....Pages 235-251
Fission of Activated Carbon—Nitrogen and Carbon—Sulphur Bonds. VI. Polarographic Reduction of the C—N (+) Bond in α-Aminonitriles....Pages 252-258
Fission of Activated Carbon—Nitrogen and Carbon—Sulphur Bonds. III. Reduction of the C—S (+) Bond in Methyl Butyl Phenacyl Sulfonium Perchlorate....Pages 259-267
A New Type of Maximum on the Limiting Current of the Reduction Wave of Phenacyl Sulfonium Ions....Pages 268-278
Polarography of Pyridoxine and Some of its Derivatives....Pages 279-304
Polarographic Reduction of 2-(2-Methyl-3-Hydroxy-5-Hydroxymethyl-4-Pyridyl)Thiazolidine-4-Carboxylic Acid....Pages 305-309
Fission of Activated Carbon-Nitrogen and Carbon-Sulphur Bonds. X. Polarographic Reduction of Substituted Methyl Phenyl Sulphones....Pages 310-321
Fission of Activated Carbon—Nitrogen and Carbon—Sulphur Bonds. XI. Polarographic Reduction of Substituted Benzenesulphonamides....Pages 322-329
Front Matter....Pages 331-331
Polarographic Behaviour of Acetone....Pages 332-333
Die Reaktion der Karbonylverbindungen mit Primären Aminen....Pages 334-368
Quantitative Treatment of Substituent Effects in Polarography. V. Polarographic Reduction of Some Semicarbazones....Pages 369-391
Oxime Derivatives. VIII. Polarographic Reduction of O- and N-Substituted Oximes....Pages 392-412
Polarographic Study of the Reaction of Pyridoxal with Hydroxylamine....Pages 413-415
Front Matter....Pages 417-417
Quantitative Treatment of Substituent Effects in Polarography. VI. Polarographic Reduction of Benzonitriles m - and p -Substituted with Electronegative Groups....Pages 418-426
Fission of Activated Carbon—Nitrogen and Carbon—Sulphur Bonds. XII. Polarographic Reduction of Substituted Benzonitriles Bearing in para -Position a Carbonyl Group in Acidic Media....Pages 427-442
The Use of Simple Molecular Orbital Theory to Elucidate the Polarographic Behaviour of Some para -Substituted Benzonitriles....Pages 443-449
Front Matter....Pages 451-451
Polarographie mancher aromatischen Verbindungen; Sydnone und Azulene....Pages 452-476
Polarography of Nonbenzenoid Aromatic and Related Substances. II. The Course of the Reduction of Sydnones at the Dropping Mercury Electrode....Pages 477-484
Front Matter....Pages 451-451
Polarography of Nonbenzenoid Aromatic and Related Substances. III. The Course of the Reduction of N,N′-Polymethylene-bis-Sydnones....Pages 485-496
Polarography of Nonbenzenoid Aromatic and Related Substances. IV. Polar Effects of Substituents in Phenylsydnones; The Application of Modified Hammett Equation....Pages 497-502
Polarography of Nonbenzenoid Aromatic and Related Substances. VII. A Polarographic Study of the Acid-Base Properties of the Tropylium Ion....Pages 503-513
Polarography of Nonbenzenoid Aromatic and Related Substances. VIII. Adsorption Processes During the Electroreduction of the Tropylium Ion....Pages 514-530