Elektrosynthese von Acetylencarbonsäuren

Jäger, Peter; Hannebaum, Heinz; Nohe, H.

doi:10.1002/cite.330501011

Cited by 7 publications

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“…FTIR spectrum (liquid film) indicated the absence of alcoholic bands (corresponding to the starting compound) and no carbonyl band was present. For C 12 (6) Details of preparative electrolysis of diol 1 (8.6 g) in DME, which was performed similarly as in THF, are given in the Table I ( (8) A 0.5 M p-toluenesulfonic acid in 200 ml methanolic electrolyte was used for the anodic oxidation of diol 1, the concentration of which being 0.5 mol/l. As this supporting electrolyte contained crystalline water (p-CH 3 C 6 H 4 SO 3 H·H 2 O), the complete acidic electrolyte contained 4350 ppm of water.…”

Section: Methodsmentioning

confidence: 99%

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Electrochemical Oxidation of But-2-yne-1,4-diol

Hlavatý

Štícha

2006

Collect. Czech. Chem. Commun.

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But-2-yne-1,4-diol (1) was electrochemically oxidized on glassy carbon anode in a dry THF solution containing a quaternary ammonium salt, in an undivided cell giving di(1,3-dioxepan-2-yl)ethyne (5) in 80% yield. The electrochemically generated dialdehyde intermediate is assumedly acetalized in a fast reaction with THF. Dimerized product 6 was isolated in 85% yield after electrooxidation of diol 1 in dry 1,2-dimethoxyethane under similar conditions.

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Section: Methodsmentioning

confidence: 99%

“…It has been used by Jäger et al 1 and Wolf 2 for electrolytic preparation of butynedioic acid (4). This procedure was implemented in sulfuric acid solution in a divided cell on PbO 2 anode.…”

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Electrochemical Oxidation of But-2-yne-1,4-diol

Hlavatý

Štícha

2006

Collect. Czech. Chem. Commun.

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Carboxylic Acids, Aliphatic

Riemenschneider

2000

Ullmann's Encyclopedia of Industrial Chemistry

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The article contains sections titled: 1. Introduction 2. Physical Properties 3. Chemical Properties 4. Natural Sources 5. Production 5.1. Saturated Monocarboxylic Acids 5.1.1. Aldehyde Oxidation 5.1.2. Carboxylation of Olefins, Koch Process 5.1.3. Oxidation of Alkanes 5.1.4. Alkali Fusion of Alcohols 5.2. Unsaturated Monocarboxylic Acids 6. Environmental Protection 7. Quality Specifications and Analysis 8. Storage and Transportation 9. Uses 10. Specific Aliphatic Carboxylic Acids 10.1. Butyric Acids 10.2. Valeric Acids 10.3. Octanoic Acids 10.4. 2‐Ethylhexanoic Acid 10.5. Nonanoic Acids 10.6. Isodecanoic Acid 10.7. Pivalic Acid 10.8. Versatic Acids and Neo Acids 10.9. Propiolic Acid 11. Trade Names, Economic Aspects 12. Toxicology and Occupational Health 13. Derivatives 13.1. Acyl Halides 13.2. Anhydrides 13.3. Lactams 13.4. Halogenated Carboxylic Acids

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