EP4175937A4 - Verfahren zur herstellung von vanillin und anderen substituierten phenylaldehyden - Google Patents
Verfahren zur herstellung von vanillin und anderen substituierten phenylaldehyden Download PDFInfo
- Publication number
- EP4175937A4 EP4175937A4 EP21832872.2A EP21832872A EP4175937A4 EP 4175937 A4 EP4175937 A4 EP 4175937A4 EP 21832872 A EP21832872 A EP 21832872A EP 4175937 A4 EP4175937 A4 EP 4175937A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- vanillin
- production
- phenylaldehydes
- substituted
- substituted phenylaldehydes
- 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
Links
- MWOOGOJBHIARFG-UHFFFAOYSA-N vanillin Chemical compound COC1=CC(C=O)=CC=C1O MWOOGOJBHIARFG-UHFFFAOYSA-N 0.000 title 1
- FGQOOHJZONJGDT-UHFFFAOYSA-N vanillin Natural products COC1=CC(O)=CC(C=O)=C1 FGQOOHJZONJGDT-UHFFFAOYSA-N 0.000 title 1
- 235000012141 vanillin Nutrition 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/01—Preparation of ethers
- C07C41/32—Preparation of ethers by isomerisation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
- C07C45/28—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation of CHx-moieties
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IN202011028345 | 2020-07-03 | ||
| PCT/IN2021/050495 WO2022003710A1 (en) | 2020-07-03 | 2021-05-21 | A process for the preparation of vanillin and other substituted phenylaldehydes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4175937A1 EP4175937A1 (de) | 2023-05-10 |
| EP4175937A4 true EP4175937A4 (de) | 2024-10-23 |
Family
ID=79315686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21832872.2A Pending EP4175937A4 (de) | 2020-07-03 | 2021-05-21 | Verfahren zur herstellung von vanillin und anderen substituierten phenylaldehyden |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP4175937A4 (de) |
| WO (1) | WO2022003710A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116510539B (zh) * | 2023-05-04 | 2026-02-27 | 安徽普朗膜技术有限公司 | 一种低温热致相分离法制备聚酮分离膜的方法 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104402691A (zh) * | 2014-11-06 | 2015-03-11 | 江西理工大学 | 一种香兰素的制备方法 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1643804A (en) | 1926-01-25 | 1927-09-27 | Richard H Bots | Process of manufacturing vanillin |
| US2062205A (en) | 1932-03-21 | 1936-11-24 | Boedecker Friedrich | Process of producing the m-alkylethers of protocatechuic aldehyde |
| US2057117A (en) | 1933-03-28 | 1936-10-13 | Marathon Paper Mills Co | Process of making vanillin |
| US2187366A (en) | 1937-02-03 | 1940-01-16 | Schimmel & Co A G | Manufacture of vanillin |
| US2414385A (en) | 1942-03-16 | 1947-01-14 | Research Corp | Hydroxylation of unsaturated organic compounds containing an alcohol or ether group |
| US2794813A (en) | 1953-09-15 | 1957-06-04 | Farinacci Nicholas Thomas | Oxidation of organic compounds with a chromic oxidizing agent |
| CH498066A (it) | 1967-12-20 | 1970-10-31 | Collins Chemical Co Inc | Procedimento per la preparazione di vanillina dall'eugenolo |
| CH505056A (de) | 1968-12-27 | 1971-03-31 | Hoffmann La Roche | Verfahren zur Herstellung von L-3-(3',4'-Dihydroxyphenyl)-alanin |
| JPH10136994A (ja) | 1996-11-14 | 1998-05-26 | Sankyo Co Ltd | Ｌ−ベラトリルグリシンの製造法 |
| CN1289836A (zh) | 2000-10-16 | 2001-04-04 | 上海天香精细化工有限公司 | 以丁香油为原料制备香兰素的方法 |
| WO2002079132A1 (en) | 2001-03-29 | 2002-10-10 | Council Of Scientific And Industrial Research | Microwave assisted process for the preparation of substituted phenylaldehydes from trans and cis-phenylpropenes |
| EP1373178A1 (de) | 2001-03-29 | 2004-01-02 | Council Of Scientific And Industrial Research | Mikrowellenunterstütztes verfahren zur herstellung von substituierten phenylaldehyden aus trans und cis-phenylpropenen |
| WO2013166642A1 (en) | 2012-05-07 | 2013-11-14 | Rhodia Operations | Process for production of vanillin and vanillin derivatives |
| CN103626643B (zh) * | 2013-12-03 | 2015-12-09 | 南昌航空大学 | 一种以天然丁香酚为原料合成香兰素的制备方法 |
-
2021
- 2021-05-21 WO PCT/IN2021/050495 patent/WO2022003710A1/en not_active Ceased
- 2021-05-21 EP EP21832872.2A patent/EP4175937A4/de active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104402691A (zh) * | 2014-11-06 | 2015-03-11 | 江西理工大学 | 一种香兰素的制备方法 |
Non-Patent Citations (4)
| Title |
|---|
| FERREIRA DAIANE D ET AL: "Dehydrodieugenol B derivatives as antiparasitic agents: Synthesis and biological activity againstTrypanosoma cruzi", EUROPEAN JOURNAL OF MEDICINAL CHEMISTRY, vol. 176, 2 May 2019 (2019-05-02), pages 162 - 174, XP085707313, ISSN: 0223-5234, DOI: 10.1016/J.EJMECH.2019.05.001 * |
| See also references of WO2022003710A1 * |
| SINHA ARUN ET AL: "Microwave-promoted Synthesis of Methoxylated Benzaldehydes from Naturalcis-Phenylpropenes Using NaIO4/OsO4 (cat.)", CHEMISTRY LETTERS, vol. 32, no. 8, 1 August 2003 (2003-08-01), Tokyo, pages 780 - 781, XP093203680, ISSN: 1348-0715, DOI: 10.1246/cl.2003.780 * |
| UPENDRA K SHARMA ET AL: "Synthesis and SAR investigation of natural phenylpropene-derived methoxylated cinnamaldehydes and their novel Schiff bases as potent antimicrobial and antioxidant agents", MEDICINAL CHEMISTRY RESEARCH, BIRKHAEUSER, BOSTON, US, vol. 22, no. 11, 1 November 2013 (2013-11-01), pages 5129 - 5140, XP002727919, ISSN: 1054-2523, [retrieved on 20130208], DOI: 10.1007/S00044-013-0484-9 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP4175937A1 (de) | 2023-05-10 |
| WO2022003710A1 (en) | 2022-01-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
| 17P | Request for examination filed |
Effective date: 20230202 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
| DAV | Request for validation of the european patent (deleted) | ||
| DAX | Request for extension of the european patent (deleted) | ||
| A4 | Supplementary search report drawn up and despatched |
Effective date: 20240920 |
|
| RIC1 | Information provided on ipc code assigned before grant |
Ipc: C07C 45/28 20060101ALI20240916BHEP Ipc: C07C 41/32 20060101ALI20240916BHEP Ipc: C07C 47/00 20060101ALI20240916BHEP Ipc: C07C 45/27 20060101AFI20240916BHEP |