WO2006048795A1 - A process for the preparation of 1,4-dialkyl-2,3-diol-1,4-butanedione - Google Patents
A process for the preparation of 1,4-dialkyl-2,3-diol-1,4-butanedione Download PDFInfo
- Publication number
- WO2006048795A1 WO2006048795A1 PCT/IB2005/053511 IB2005053511W WO2006048795A1 WO 2006048795 A1 WO2006048795 A1 WO 2006048795A1 IB 2005053511 W IB2005053511 W IB 2005053511W WO 2006048795 A1 WO2006048795 A1 WO 2006048795A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- formula
- process according
- catalyst
- preparation
- reaction medium
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
- C07C49/04—Saturated compounds containing keto groups bound to acyclic carbon atoms
- C07C49/17—Saturated compounds containing keto groups bound to acyclic carbon atoms containing hydroxy groups
-
- 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
- C07C45/72—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 by reaction of compounds containing >C = O groups with the same or other compounds containing >C = O groups
Definitions
- the present invention relates to the field of organic synthesis and more particularly to a process for the preparation of compounds of formula (I) by the aldol condensation between an alkyl glyoxal (II) and an acetol derivative (III), said condensation being promoted a catalyst, according to Scheme (1):
- R 1 represents a linear or branched Ci to C 5 alkyl group.
- the compounds of formula (I), as defined below, can be useful as starting material for the construction compounds having a more complex skeletons, such as 4-hydroxy-2,5- dimethyl-3(2H)-furanone (known as Furaneol ® , Trademark of Firmenich SA).
- Furaneol ® 4-hydroxy-2,5- dimethyl-3(2H)-furanone
- the present invention relates to a catalytic process aimed at the synthesis of compounds (I) in a single step and with good yields.
- the process of the invention concerns more specifically the aldol condensation between an alkyl glyoxal (II) and an acetol derivative (III). Indeed, we have now surprisingly discovered that a specific type of catalyst is able to promote the invention reaction.
- R 1 represents a linear or branched Ci to C 5 alkyl radical, said process being characterized in that it comprises the aldol condensation, in a water- containing reaction medium, between a glyoxal of formula
- R 1 has the same meaning as defined above, and an ⁇ -hydroxy ketone of formula
- R 1 has the same meaning as defined above, in the presence of catalyst of formula FeX 3 or MX 2 , wherein M is Zn 2+ , Mg 2+ , Cu 2+ , Fe 2+ or Ca 2+ and X is a Ci-C 7 carboxylate, an halide or an acetylacetonate derivative of formula [R 2 COCHCOR 2 ] " , R 2 representing a Ci-C 3 alkyl group or a phenyl group.
- R 1 represents a methyl group and therefore the glyoxal (II) is methyl glyoxal, the acetol (III) is acetol (Le. 1- hydroxy-2-propanone) and the dihydroxy-dione (I) is 3,4-dihydroxyhexane-2,5-dione.
- the reaction is carried out in a water-containing reaction medium.
- water-containing reaction medium it is meant here the medium wherein the reaction takes place, said medium containing at least 10 % of water, percentage being relative to its own weight.
- the reaction medium comprises also an organic solvent, which can be water miscible or not.
- any solvent which is inert under the experimental conditions is useful.
- such a solvent is an ether or an ester such as tetrahydrofurane (THF), methyl-tert-butyl ether (MTBE) or ethylacetate.
- THF tetrahydrofurane
- MTBE methyl-tert-butyl ether
- ethylacetate ethylacetate
- the present process is preferably carried out in a reaction medium having a pH comprised between 3.5 and 7.0, preferably between 4.0 and 6.5.
- the catalysts are the ones of formula MX 2 , wherein M is Zn 2+ or Mg 2+ , and X is an acetate, propionate, fluoride or acac ([CH 3 COCHCOCH 3 ] " ).
- M Zn 2+ or Mg 2+
- X is an acetate, propionate, fluoride or acac ([CH 3 COCHCOCH 3 ] " ).
- suitable catalyst one can cite in particular Zn(acetate) 2 , Zn(acac) 2 , ZnF 2 or Mg(acac) 2 .
- the amount in which the catalyst may be employed in the invention's process is typically comprised between 0.01 and 20 molar %, relative to the glyoxal. In a preferred embodiment of the process of the invention the catalyst is used in a concentration comprised between about 0.02 and 15 molar %.
- the amount in which the acetol derivative (III) may be employed in the invention's process is typically comprised between 50 and 250 molar %, relative to the glyoxal.
- the temperature at which the process of the invention can be carried out is comprised between O 0 C and 100°C, more preferably between 20°C and 6O 0 C.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Catalysts (AREA)
Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05800293A EP1809592B1 (en) | 2004-11-02 | 2005-10-27 | A process for the preparation of 1,4-dialkyl-2,3-diol-1,4-butanedione |
JP2007538584A JP4805941B2 (en) | 2004-11-02 | 2005-10-27 | Process for producing 1,4-dialkyl-2,3-diol-1,4-butanedione |
CN2005800370775A CN101048359B (en) | 2004-11-02 | 2005-10-27 | Method for preparing 1,4- dialkyl-2,3- glycol-1,4-butanedione |
MX2007005111A MX2007005111A (en) | 2004-11-02 | 2005-10-27 | A process for the preparation of 1,4-dialkyl-2,3-diol-1,4- butanedione. |
BRPI0517229-2A BRPI0517229A (en) | 2004-11-02 | 2005-10-27 | process for the preparation of a compound |
DE602005005354T DE602005005354T2 (en) | 2004-11-02 | 2005-10-27 | PROCESS FOR PREPARING 1,4-DIALKYL-2,3-DIOL-1,4-BUTANDION |
US11/692,839 US7321067B2 (en) | 2004-11-02 | 2007-03-28 | Process for the preparation of 1,4-dialkyl-2,3-diol-1,4-butanedione |
IL182795A IL182795A (en) | 2004-11-02 | 2007-04-26 | Process for the preparation of 1,4-dialkyl-2, 3-diol-1, 4-butanedione |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IBPCT/IB2004/003631 | 2004-11-02 | ||
IB2004003631 | 2004-11-02 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/692,839 Continuation US7321067B2 (en) | 2004-11-02 | 2007-03-28 | Process for the preparation of 1,4-dialkyl-2,3-diol-1,4-butanedione |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006048795A1 true WO2006048795A1 (en) | 2006-05-11 |
Family
ID=35516997
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2005/053511 WO2006048795A1 (en) | 2004-11-02 | 2005-10-27 | A process for the preparation of 1,4-dialkyl-2,3-diol-1,4-butanedione |
Country Status (12)
Country | Link |
---|---|
US (1) | US7321067B2 (en) |
EP (1) | EP1809592B1 (en) |
JP (1) | JP4805941B2 (en) |
CN (1) | CN101048359B (en) |
AT (1) | ATE388932T1 (en) |
BR (1) | BRPI0517229A (en) |
DE (1) | DE602005005354T2 (en) |
ES (1) | ES2301071T3 (en) |
IL (1) | IL182795A (en) |
MX (1) | MX2007005111A (en) |
RU (1) | RU2007120510A (en) |
WO (1) | WO2006048795A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008142592A2 (en) * | 2007-05-24 | 2008-11-27 | Firmenich Sa | A process for the preparation of 1,4-dialkyl-2,3-diol-1,4-butanedione |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5344468B2 (en) * | 2008-08-13 | 2013-11-20 | 国立大学法人愛媛大学 | Method for producing aldol condensation compound |
CN109879742A (en) * | 2019-03-23 | 2019-06-14 | 安徽金禾实业股份有限公司 | A kind of preparation method of 3,4- dihydroxy -2,5- acetyl butyryl |
CN110511129B (en) * | 2019-08-02 | 2022-07-29 | 厦门欧米克生物科技有限公司 | Method for synthesizing 3, 4-dihydroxy-2, 5-hexanedione by organic amine salt catalysis |
CN110845313A (en) * | 2019-09-27 | 2020-02-28 | 厦门欧米克生物科技有限公司 | Continuous preparation method of 3, 4-dihydroxy-2, 5-hexanedione |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH474465A (en) * | 1967-06-16 | 1969-06-30 | Firmenich & Cie | Process for the preparation of a dihydroxy-diketone |
US4234518A (en) * | 1979-06-07 | 1980-11-18 | International Flavors & Fragrances Inc. | Ketones and organoleptic uses thereof |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3837954A1 (en) * | 1988-11-09 | 1990-05-10 | Basf Ag | PROCESS FOR THE PREPARATION OF DIHYDROXYDIONES |
-
2005
- 2005-10-27 ES ES05800293T patent/ES2301071T3/en active Active
- 2005-10-27 AT AT05800293T patent/ATE388932T1/en not_active IP Right Cessation
- 2005-10-27 EP EP05800293A patent/EP1809592B1/en active Active
- 2005-10-27 BR BRPI0517229-2A patent/BRPI0517229A/en not_active IP Right Cessation
- 2005-10-27 JP JP2007538584A patent/JP4805941B2/en not_active Expired - Fee Related
- 2005-10-27 MX MX2007005111A patent/MX2007005111A/en active IP Right Grant
- 2005-10-27 WO PCT/IB2005/053511 patent/WO2006048795A1/en active IP Right Grant
- 2005-10-27 DE DE602005005354T patent/DE602005005354T2/en active Active
- 2005-10-27 CN CN2005800370775A patent/CN101048359B/en not_active Expired - Fee Related
- 2005-10-27 RU RU2007120510/04A patent/RU2007120510A/en unknown
-
2007
- 2007-03-28 US US11/692,839 patent/US7321067B2/en not_active Expired - Fee Related
- 2007-04-26 IL IL182795A patent/IL182795A/en not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH474465A (en) * | 1967-06-16 | 1969-06-30 | Firmenich & Cie | Process for the preparation of a dihydroxy-diketone |
US4234518A (en) * | 1979-06-07 | 1980-11-18 | International Flavors & Fragrances Inc. | Ketones and organoleptic uses thereof |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008142592A2 (en) * | 2007-05-24 | 2008-11-27 | Firmenich Sa | A process for the preparation of 1,4-dialkyl-2,3-diol-1,4-butanedione |
WO2008142592A3 (en) * | 2007-05-24 | 2009-01-15 | Firmenich & Cie | A process for the preparation of 1,4-dialkyl-2,3-diol-1,4-butanedione |
US8129570B2 (en) | 2007-05-24 | 2012-03-06 | Firmenich Sa | Process for the preparation of 1,4-dialkyl-2,3-diol-1,4-butanedione |
Also Published As
Publication number | Publication date |
---|---|
IL182795A (en) | 2010-11-30 |
JP4805941B2 (en) | 2011-11-02 |
IL182795A0 (en) | 2007-08-19 |
DE602005005354T2 (en) | 2009-03-26 |
US7321067B2 (en) | 2008-01-22 |
EP1809592B1 (en) | 2008-03-12 |
US20070167656A1 (en) | 2007-07-19 |
ES2301071T3 (en) | 2008-06-16 |
CN101048359A (en) | 2007-10-03 |
DE602005005354D1 (en) | 2008-04-24 |
ATE388932T1 (en) | 2008-03-15 |
BRPI0517229A (en) | 2008-10-07 |
CN101048359B (en) | 2010-06-02 |
EP1809592A1 (en) | 2007-07-25 |
JP2008518906A (en) | 2008-06-05 |
RU2007120510A (en) | 2008-12-10 |
MX2007005111A (en) | 2007-06-26 |
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