WO2013050537A1 - Procédé de préparation d'un dérivé de vanilline - Google Patents
Procédé de préparation d'un dérivé de vanilline Download PDFInfo
- Publication number
- WO2013050537A1 WO2013050537A1 PCT/EP2012/069732 EP2012069732W WO2013050537A1 WO 2013050537 A1 WO2013050537 A1 WO 2013050537A1 EP 2012069732 W EP2012069732 W EP 2012069732W WO 2013050537 A1 WO2013050537 A1 WO 2013050537A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- vanillin
- base
- process according
- moles
- reaction
- 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.)
- Ceased
Links
- BZQOZUXQDDSNLZ-UHFFFAOYSA-N COc(cc(Cc(cc(C=O)cc1OC)c1O)cc1)c1O Chemical compound COc(cc(Cc(cc(C=O)cc1OC)c1O)cc1)c1O BZQOZUXQDDSNLZ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
- C07C45/64—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by introduction of functional groups containing oxygen only in singly bound form
-
- 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
- C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
- C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
- C07C45/68—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
Definitions
- the present invention relates to a process for the preparation of a vanillin derivative of dimer type, named 3- (4-hydroxy-3-methoxybenzyl) -4-hydroxy-5-methoxybenzaldehyde.
- Vanillin is a widely used product in many fields of application as aroma and / or fragrance.
- vanillin is widely consumed in the food and feed industry but it also has applications in other areas such as for example, pharmacy or perfumery.
- the object of the present invention is to provide a process for obtaining 3- (4-hydroxy-3-methoxybenzyl) -4-hydroxy-5-methoxybenzaldehyde in satisfactory yield.
- the present invention relates to a process for preparing a compound of formula (I)
- Vanillin or 4-hydroxy-3-methoxybenzaldehyde is a well-known molecule of the state of the art corresponding to the following formula:
- Vanillic alcohol or 4-hydroxy-3-methoxybenzyl alcohol is a well-known molecule of the state of the art corresponding to the following formula:
- the present invention is based on an addition reaction of vanillic alcohol (VOH) on vanillin (VA) in the presence of a base.
- VOH vanillic alcohol
- VA vanillin
- the base is selected from the group consisting of mineral bases, organic bases, mineral heterogeneous bases and mixtures thereof.
- organic bases there may be mentioned tertiary amines, for example trimethylamine, triethylamine, tripropylamine, tributylamine, ⁇ , ⁇ -diisopropylethylamine, N-methylmorpholine, N-ethylmorpholine, N-propylmorpholine and 1-methylpyrrolidone.
- nitrogen-containing anionic bases for example the salts, in particular alkaline or alkaline-earth salts, of amines, silylated or not, as well as silylamines.
- Salified disilylamines, and especially salts, in particular alkaline or alkaline-earth salts, of hexamethyldisilazane (HMDZ) are also suitable.
- magnesium dioxide Mg0 2 As inorganic heterogeneous bases, mention may in particular be made of magnesium dioxide Mg0 2 .
- reaction step of the process is carried out in the presence of a mineral base.
- the base is selected from the group consisting of alkali metal hydroxides, alkaline earth metal hydroxides, alkali metal bicarbonates, alkaline earth metal bicarbonates, alkali metal hydroxides, alkali metal hydrogen carbonates, alkaline earth metal hydrogencarbonates, alkali metal phosphates, alkaline earth metal phosphates, alkali metal hydrogen phosphates, alkaline earth metal hydrogen phosphates, and mixtures thereof.
- inorganic bases mention may be made of LiOH, CsOH, NaOH, KOH, Na 2 CO 3 or NaHCO 3 .
- Na 2 CO 3 is used as the base.
- the above-mentioned reaction step can be carried out in the presence of a solvent.
- aqueous and organic solvents mention may be made of aqueous and organic solvents, and mixtures thereof.
- the process of the invention is carried out in an aqueous medium: the process according to the present invention is preferably carried out in the presence of water as a solvent.
- the reaction is carried out in the presence of an organic solvent.
- a solvent is chosen which is inert under the reaction conditions.
- aliphatic hydrocarbons preferably alkane
- the process of the invention is carried out in two-phase medium, that is to say in the presence of water and an organic solvent, preferably a non-soluble organic solvent.
- the ratio between the volume of organic solvent and the volume of water is from 0.1 to 10, and preferably from 0.5 to 1.5.
- the reaction of the process of the invention is carried out at a temperature of 0 ° C to 100 ° C, preferably 30 ° C to 80 ° C.
- the reaction is carried out at a pH of from 7 to 14, preferably from 8 to 10.
- the present invention also relates to a method of preparation as defined above, in which the ratio between the number of moles of vanillin and the number of moles of vanillic alcohol ([VA / VOH] m0 i) is 0, 5 to 20, preferably from 1 to 15, preferably from 2 to 5, and especially from 3 to 5.
- the ratio between the number of moles of base and the sum of the number of moles of vanillin and the number of moles of vanillic alcohol is from 0.1 to 10, of preferably from 0.5 to 6, and preferably from 0.7 to 2. Preferably, this ratio is close to 1 and very preferably to 1.
- the ratio between the mass of vanillin and vanillic alcohol and the body of water is comprised of 0, 0.5 to 0.5, preferably 0.1 to 0.3.
- the process of the invention consists of a reaction between vanillin and vanillic alcohol in the presence of a base.
- These different reagents, namely vanillin, vanillic alcohol and the base can be brought into contact by any means known to those skilled in the art.
- these reagents can be introduced in any order.
- the solvent can also be introduced in any order with respect to the reagents.
- the reagents as well as the solvent may also be introduced at once or in several times, that is to say in a fractionated manner.
- the solvent in particular water
- the solvent can be added to a mixture comprising the base and the vanillin, and then the alcohol is subsequently added.
- the base can be added in several times.
- the solvent especially water
- the solvent can be added to a mixture comprising the base and the vanillin and then subsequently added, simultaneously, the alcohol and the base.
- This compound may then be subjected to subsequent conventional separation steps, in particular by distillation.
- the compound obtained by the process of the invention is advantageously used in food compositions, that is to say compositions intended to be consumed by man.
- the compound obtained according to the process of the invention is advantageously incorporated in food compositions in liquid form, in particular beverages, milk and soups, in semi-solid or solid form, in particular yogurts, margarines and desserts. snacks and ice creams, cookies and cakes, confectionery and chocolate.
- 3- (4-hydroxy-3-methoxybenzyl) -4-hydroxy-5-methoxybenzaldehyde is advantageously used to impart or reinforce certain taste sensations.
- the reactions are carried out in the presence of water.
- VOH vanilla alcohol
- conversion rate represents the amount of processed reagent relative to the amount of reagent introduced
- the process of the invention makes it possible to obtain the compound 3- (4-hydroxy-3-methoxybenzyl) -4-hydroxy-5-methoxybenzaldehyde in a very satisfactory yield.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Fats And Perfumes (AREA)
- Steroid Compounds (AREA)
Abstract
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201280049436.9A CN103857649B (zh) | 2011-10-06 | 2012-10-05 | 用于制备香草醛衍生物的方法 |
| BR112014008200A BR112014008200A2 (pt) | 2011-10-06 | 2012-10-05 | método para preparar um derivado de vanilina |
| US14/349,842 US8933274B2 (en) | 2011-10-06 | 2012-10-05 | Method for preparing a vanillin derivative |
| EP12768852.1A EP2763947B1 (fr) | 2011-10-06 | 2012-10-05 | Procédé de préparation d'un dérivé de vanilline |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1159007 | 2011-10-06 | ||
| FR1159007A FR2981069B1 (fr) | 2011-10-06 | 2011-10-06 | Procede de preparation d'un derive de vanilline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2013050537A1 true WO2013050537A1 (fr) | 2013-04-11 |
Family
ID=46970332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2012/069732 Ceased WO2013050537A1 (fr) | 2011-10-06 | 2012-10-05 | Procédé de préparation d'un dérivé de vanilline |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US8933274B2 (fr) |
| EP (1) | EP2763947B1 (fr) |
| JP (1) | JP2014530217A (fr) |
| CN (1) | CN103857649B (fr) |
| BR (1) | BR112014008200A2 (fr) |
| FR (1) | FR2981069B1 (fr) |
| WO (1) | WO2013050537A1 (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3099477B1 (fr) * | 2019-07-30 | 2023-01-13 | Rhodia Operations | Compositions de vanilline naturelle |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996037452A1 (fr) * | 1995-05-24 | 1996-11-28 | Rhone-Poulenc Chimie | Procede d'hydroxyalkylation d'un ether aromatique carbocyclique |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3700917A1 (de) * | 1987-01-14 | 1988-07-28 | Bayer Ag | Verfahren zur herstellung von p-substituierten o-benzylphenolen |
| CN101952233B (zh) * | 2005-08-29 | 2012-12-05 | 沙伯基础创新塑料知识产权有限公司 | 制备苄基化酚的方法 |
| WO2010046926A2 (fr) * | 2008-10-17 | 2010-04-29 | Aptuit Laurus Pvt Ltd | Nouveaux analogues de stilbene novel stilbene analogs |
| JP2011021013A (ja) * | 2009-06-19 | 2011-02-03 | Ube Industries Ltd | オキシル基を有する芳香族メチルアルコール化合物の製造方法 |
-
2011
- 2011-10-06 FR FR1159007A patent/FR2981069B1/fr not_active Expired - Fee Related
-
2012
- 2012-10-05 CN CN201280049436.9A patent/CN103857649B/zh not_active Expired - Fee Related
- 2012-10-05 JP JP2014533920A patent/JP2014530217A/ja active Pending
- 2012-10-05 BR BR112014008200A patent/BR112014008200A2/pt not_active IP Right Cessation
- 2012-10-05 EP EP12768852.1A patent/EP2763947B1/fr not_active Not-in-force
- 2012-10-05 WO PCT/EP2012/069732 patent/WO2013050537A1/fr not_active Ceased
- 2012-10-05 US US14/349,842 patent/US8933274B2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996037452A1 (fr) * | 1995-05-24 | 1996-11-28 | Rhone-Poulenc Chimie | Procede d'hydroxyalkylation d'un ether aromatique carbocyclique |
Non-Patent Citations (2)
| Title |
|---|
| BERND SCHWARZ ET AL: "Identification of Novel Orosensory Active Molecules in Cured Vanilla Beans (Vanilla planifolia)", JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY, vol. 57, no. 9, 13 May 2009 (2009-05-13), pages 3729 - 3737, XP055026540, ISSN: 0021-8561, DOI: 10.1021/jf900086m * |
| HUI XU ET AL: "Reactivity of Lignin Diphenylmethane Model Dimers l. Nitrobenzene Oxidation", HOLZFORSCHUNG, 1 January 1998 (1998-01-01), pages 51 - 56, XP055026616, Retrieved from the Internet <URL:http://www.degruyter.com/view/j/hfsg.1998.52.issue-1/hfsg.1998.52.1.51/hfsg.1998.52.1.51.xml?format=INT> [retrieved on 20120509] * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103857649A (zh) | 2014-06-11 |
| FR2981069A1 (fr) | 2013-04-12 |
| BR112014008200A2 (pt) | 2017-04-18 |
| FR2981069B1 (fr) | 2013-12-20 |
| EP2763947B1 (fr) | 2016-02-10 |
| CN103857649B (zh) | 2016-05-04 |
| US8933274B2 (en) | 2015-01-13 |
| JP2014530217A (ja) | 2014-11-17 |
| US20140323769A1 (en) | 2014-10-30 |
| EP2763947A1 (fr) | 2014-08-13 |
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