EP4632111A3 - Verfahren zur herstellung von acetalen von alpha-chlor- oder alpha-brom-aldehyden - Google Patents

Verfahren zur herstellung von acetalen von alpha-chlor- oder alpha-brom-aldehyden

Info

Publication number
EP4632111A3
EP4632111A3 EP25169473.3A EP25169473A EP4632111A3 EP 4632111 A3 EP4632111 A3 EP 4632111A3 EP 25169473 A EP25169473 A EP 25169473A EP 4632111 A3 EP4632111 A3 EP 4632111A3
Authority
EP
European Patent Office
Prior art keywords
aliphatic
alpha
cycloaliphatic
acetals
aldehydes
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP25169473.3A
Other languages
English (en)
French (fr)
Other versions
EP4632111A2 (de
Inventor
Simon HORSINKA
Dominik Weis
Siegfried Reinhart WALDVOGEL
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Merck Patent GmbH
Original Assignee
Esy Labs GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Esy Labs GmbH filed Critical Esy Labs GmbH
Publication of EP4632111A2 publication Critical patent/EP4632111A2/de
Publication of EP4632111A3 publication Critical patent/EP4632111A3/de
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B3/00—Electrolytic production of organic compounds
    • C25B3/01—Products
    • C25B3/07—Oxygen containing compounds
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
    • C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
    • C25B11/042—Electrodes formed of a single material
    • C25B11/043—Carbon, e.g. diamond or graphene
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B3/00—Electrolytic production of organic compounds
    • C25B3/01—Products
    • C25B3/11—Halogen containing compounds
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B3/00—Electrolytic production of organic compounds
    • C25B3/20—Processes
    • C25B3/27—Halogenation
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B3/00—Electrolytic production of organic compounds
    • C25B3/20—Processes
    • C25B3/29—Coupling reactions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)

Abstract

Die vorliegende Erfindung betrifft ein Verfahren zur Herstellung von Acetalen aliphatischer oder cycloaliphatischer α-Chlor- oder α-Bromaldehyde, umfassend die Elektrolyse eines flüssigen Reaktionsgemischs, enthaltend
i) einen Halogenakzeptor, der ausgewählt ist unter
- primären aliphatischen oder cycloaliphatischen Alkoholen,
- Mono-1-alkyenylethern aliphatischer Diole und
- Gemischen, die einen Mono-1-alkyenylether eines aliphatischen, cycloaliphatischen oder aromatischen Alkohols und wenigstens einen aliphatischen oder cycloaliphatischen Alkohol umfassen,

ii) wenigstens eine Halogenquelle, die Chlor oder Brom enthält,
iii) wenigstens ein Lösungsmittel und
iv) wenigstens ein Leitsalz
in einer ungeteilten Elektrolysezelle.
EP25169473.3A 2024-04-10 2025-04-09 Verfahren zur herstellung von acetalen von alpha-chlor- oder alpha-brom-aldehyden Pending EP4632111A3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP24169503 2024-04-10

Publications (2)

Publication Number Publication Date
EP4632111A2 EP4632111A2 (de) 2025-10-15
EP4632111A3 true EP4632111A3 (de) 2026-02-11

Family

ID=90720472

Family Applications (1)

Application Number Title Priority Date Filing Date
EP25169473.3A Pending EP4632111A3 (de) 2024-04-10 2025-04-09 Verfahren zur herstellung von acetalen von alpha-chlor- oder alpha-brom-aldehyden

Country Status (1)

Country Link
EP (1) EP4632111A3 (de)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090107849A1 (en) * 2006-05-15 2009-04-30 Hans Lammers Electrochemical process to prepare a halogenated carbonyl group-containing compound
CN115852397A (zh) * 2022-10-19 2023-03-28 西南林业大学 一种卤代吲哚类化合物的制备方法
EP4253603A1 (de) * 2022-03-28 2023-10-04 Evonik Operations GmbH Elektrochemische oxidation von cycloalkanen zu cycloalkanon-verbindungen

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2411826A (en) 1946-11-26 Haloacetals
US2330570A (en) 1943-09-28 Halo acetal
US2803668A (en) 1957-08-20 Process for making chloroacetal
US3940259A (en) 1973-05-07 1976-02-24 Velsicol Chemical Corporation Dioxane substituted-α-haloanilides as herbicides
US4532338A (en) 1983-07-13 1985-07-30 Ppg Industries, Inc. Process for producing 2-halomethyl-1,3-cyclic acetal
DE102015204901A1 (de) 2015-03-18 2016-09-22 Wacker Chemie Ag Verfahren zur Herstellung von Chloracetaldehydacetalen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090107849A1 (en) * 2006-05-15 2009-04-30 Hans Lammers Electrochemical process to prepare a halogenated carbonyl group-containing compound
EP4253603A1 (de) * 2022-03-28 2023-10-04 Evonik Operations GmbH Elektrochemische oxidation von cycloalkanen zu cycloalkanon-verbindungen
CN115852397A (zh) * 2022-10-19 2023-03-28 西南林业大学 一种卤代吲哚类化合物的制备方法

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
DONALD A WHITE ET AL: "Syntheses with Electrogenerated Halogens Part III. Oxidation of Primary Alcohols to Acetals of 2-Haloaldehydes", J OF THE ELECTROCHEMICAL SOCIETY,, vol. 125, no. 9, 1 September 1978 (1978-09-01), pages 1401 - 1404, XP001284127 *
DONG XICHANG ET AL: "Merging shuttle reactions and paired electrolysis for reversible vicinal dihalogenations", SCIENCE - AUTHOR MANUSCRIPT, vol. 371, no. 6528, 29 January 2021 (2021-01-29), US, pages 507 - 514, XP093204995, ISSN: 0036-8075, DOI: 10.1126/science.abf2974 *
KAPUSTINA N I ET AL: "OXIDATION OF ALIPHATIC ALCOHOLS BY A SYSTEM CONTAINING Na2S2O8 AND A METAL CHLORIDE", RUSS CHEM BULL, vol. 37, 1 August 1988 (1988-08-01), pages 1730 - 1732, XP093304655, DOI: 10.1007/BF00961139 *
TORII S ET AL: "HIGHLY CONVENIENT ELECTROLYSIS PROCEDURE FOR THE PREPARATION OF ALPHA-HALOGENATED KETONES AND ACETALS FROM ENOL ACETATES, ENOL ETHERS, AND SILYL ENOL ETHERS", THE JOURNAL OF ORGANIC CHEMISTRY, AMERICAN CHEMICAL SOCIETY, UNITED STATES, vol. 45, 1 January 1980 (1980-01-01), pages 2731 - 2735, XP000775554, ISSN: 0022-3263, DOI: 10.1021/JO01301A044 *

Also Published As

Publication number Publication date
EP4632111A2 (de) 2025-10-15

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