EP4175937A4 - Procédé de préparation de vanilline et d'autres phénylaldéhydes substitués - Google Patents

Procédé de préparation de vanilline et d'autres phénylaldéhydes substitués Download PDF

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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
Application number
EP21832872.2A
Other languages
German (de)
English (en)
Other versions
EP4175937A1 (fr
Inventor
Atul Gupta
Ram Swaroop VERMA
Sarita Singh
Swati SINGH
Arvind Singh Negi
Karuna Shanker
Sudeep Tandon
Alok Kalra
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.)
Council of Scientific and Industrial Research CSIR
Original Assignee
Council of Scientific and Industrial Research CSIR
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 Council of Scientific and Industrial Research CSIR filed Critical Council of Scientific and Industrial Research CSIR
Publication of EP4175937A1 publication Critical patent/EP4175937A1/fr
Publication of EP4175937A4 publication Critical patent/EP4175937A4/fr
Pending legal-status Critical Current

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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)
EP21832872.2A 2020-07-03 2021-05-21 Procédé de préparation de vanilline et d'autres phénylaldéhydes substitués Pending EP4175937A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN202011028345 2020-07-03
PCT/IN2021/050495 WO2022003710A1 (fr) 2020-07-03 2021-05-21 Procédé de préparation de vanilline et d'autres phénylaldéhydes substitués

Publications (2)

Publication Number Publication Date
EP4175937A1 EP4175937A1 (fr) 2023-05-10
EP4175937A4 true EP4175937A4 (fr) 2024-10-23

Family

ID=79315686

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21832872.2A Pending EP4175937A4 (fr) 2020-07-03 2021-05-21 Procédé de préparation de vanilline et d'autres phénylaldéhydes substitués

Country Status (2)

Country Link
EP (1) EP4175937A4 (fr)
WO (1) WO2022003710A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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
US3544621A (en) 1967-12-20 1970-12-01 Collins Chem Co Inc Method of preparing vanillin from eugenol
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 (fr) 2001-03-29 2002-10-10 Council Of Scientific And Industrial Research Procede rapide et economique, assiste par micro-ondes, pour la preparation de phenylaldehydes substitues a partir de trans- et cis-phenylpropenes
EP1373178A1 (fr) 2001-03-29 2004-01-02 Council Of Scientific And Industrial Research Procede rapide et economique, assiste par micro-ondes, pour la preparation de phenylaldehydes substitues a partir de trans- et cis-phenylpropenes
WO2013166642A1 (fr) 2012-05-07 2013-11-14 Rhodia Operations Procédé de production de la vanilline et de dérivés de la vanilline
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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
WO2022003710A1 (fr) 2022-01-06
EP4175937A1 (fr) 2023-05-10

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