WO1995009830A1 - Procede de preparation de cyclopentanone mono- ou di-substituee en position 2 - Google Patents
Procede de preparation de cyclopentanone mono- ou di-substituee en position 2 Download PDFInfo
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- WO1995009830A1 WO1995009830A1 PCT/FR1994/001157 FR9401157W WO9509830A1 WO 1995009830 A1 WO1995009830 A1 WO 1995009830A1 FR 9401157 W FR9401157 W FR 9401157W WO 9509830 A1 WO9509830 A1 WO 9509830A1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/10—Preparation of carboxylic acids or their salts, halides or anhydrides by reaction with carbon monoxide
- C07C51/12—Preparation of carboxylic acids or their salts, halides or anhydrides by reaction with carbon monoxide on an oxygen-containing group in organic compounds, e.g. alcohols
-
- 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
- C07C45/45—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by condensation
- C07C45/48—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by condensation involving decarboxylation
Definitions
- the present invention relates to a process for the preparation of cyclopentanone mono- or di-substituted in position 2.
- the invention relates more particularly to the preparation of 2,2-dimethylcyclopentanone.
- Cycloalkanones such as, for example, cyclopentanones mono- or disubstituted in position 2, can advantageously serve as intermediate compounds in the synthesis of fungicides belonging to the family of benzylidene-azolylmethylcycloalkanes which is described in particular in document EP-A 0 378 953.
- the present invention relates to a process for the preparation of cyclopentanone mono- or di-substituted in position 2 of formula:
- R * represents: a hydrogen atom; a linear or branched alkyl or alkoxy radical having from 1 to 4 carbon atoms; a radical of formula (R2) p- ⁇ henyl ⁇ (-CR3R4-) q-- where R ⁇ is a linear or branched alkyl radical having from 1 to 3 carbon atoms, R3 and R ⁇ , which may be the same or different, each represent a hydrogen atom or a linear or branched alkyl radical having from 1 to 3 carbon atoms and p and q are whole numbers, which may be the same or different, ranging from 0 to 3; said process being characterized in that it consists in successively carrying out the following 4 steps (a) to (d) which can be linked as required in the same reactor:
- step (a) which consists of:
- step (b) which consists in using the reaction product of formula (IV), taken in the form of the crude product obtained in the organic phase at the end of the abovementioned stage (a2) or in the form of a pure product, and:
- step (c) which consists in using the acid of formula (VI), taken in the form of the crude product obtained in aqueous phase at the end of the abovementioned stage (b ⁇ ) or in the form of pure product, and:
- step (d) which consists in using the dicarboxylic acid of formula
- R 1 there may be mentioned, in addition to hydrogen: the methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, tert-butyl radicals and the corresponding alkoxy radicals; as well as the phenyl, (o-, m- or p-) tolyl, xylyl and benzyl radicals.
- the symbol R 1 corresponds to the methyl radical
- the symbols R 1 and R 6> which are identical or different, correspond to the methyl and ethyl radicals.
- step (a) of the process according to the invention it is therefore a question of carrying out an addition reaction on carbon 4 of a 1,3-butadiene of formula (II), optionally carrying a substimant on the carbon 2, of a compound with active methylene group of formula (III).
- This reaction can be carried out in a known manner as indicated in particular in document EP-A 0 044 771, the content of which is incorporated here by reference; this reaction makes it possible to obtain an adduct of formula (TV) which is a mixture consisting essentially of the following two isomers:
- a soluble phosphine a compound taken from the group formed by the sodium, potassium, calcium, barium, ammonium, tetramethylammonium and tetraethylammonium salts of (sulfophenyl) diphenylphosphine, di (sulfophenyl) phenylphosphine and tri (sulfophenyl) phosphine;
- a water-soluble compound taken from the group formed by: rhodium oxide RI12O3 is used as the rhodium compound; rhodium chloride RJ1CI3; rhodium bromide RhBr3; rhodium sulfate Rl_2 (S ⁇ 4) 3; rhodium nitrate Rh (N ⁇ 3) 3; rhodium acetate Rh (CH3CO2) 3; rhodium tetracarbonyl
- an amount of rhodium compound is used, expressed by the number of atom-grams of elemental rhodium per 100 moles of butadiene, which is between
- an amount of phosphine is used, expressed by the number of moles of this compound relative to a gram atom of elementary rhodium, which is between 1 and 10;
- a base consisting of an alkali metal hydroxide, carbonate or bicarbonate, such as for example sodium, is added to the reaction medium, in order to improve the reactivity, in an amount ranging from 0.01 to 3 moles of base per liter of water used in the composition of the reaction medium;
- reaction temperature is in the range from 50 ° C. to 150 ° C., and it is maintained for a period which will depend on the temperature chosen and can vary for example between 2 hours by operating at 100 ° C. and 5 hours operating at 80 ° C.
- step (a) As regards the practical manner of carrying out the addition reaction of step (a), reference will be made for more details to the content of the aforementioned document EP-A 0 044 771.
- step (b) of the method according to the invention taken in its variant (bi), it is a matter of carrying out:
- step (b) of the process of the invention taken in its variant (b '), it is a matter of carrying out:
- solutions of alcoholate are used in the alcohol which gave birth to it which can contain up to 20 moles of alcohol, and more precisely which contain between 5 and 15 moles of alcohols for one mole of alcoholate base; 3. 1 to 1.5 moles of alcoholate base are used per mole of starting keto-ester of formula (IV);
- the deacylation reaction is carried out at a temperature which generally corresponds to the boiling temperature of the alcohol involved, for a sufficient time to eliminate, as and when it is formed in situ, the compound R ⁇ -CO-G in the structure of which the symbol G represents the organic residue of the alkali alcoholate set work (this residue G represents OCH3 when the alkaline alcoholate used is for example CH3 ⁇ N a ); this reaction time is for example between 2 hours and 6 hours;
- the alkaline hydrolysis reaction is carried out by adding to the reaction medium, after having completed the deacylation reaction, that is to say after elimination of the compound
- R6-CO-G water in an amount representing 10 to 30 moles of water per 1 mole of alkali metal alkoxide base
- the alkaline hydrolysis reaction is carried out at a temperature which generally corresponds to the reflux temperature of the reaction mixture, for a time sufficient to remove the alcohol present in said mixture by distillation;
- the hydrolysis reaction is terminated by acidifying the residual aqueous reaction mixture to a pH of value between approximately 1 and approximately 3 by addition of a determined quantity of a strong mineral mono- or polyacid, oxygenated or not, as for example hydrochloric, nitric and sulfuric acids.
- a strong mineral mono- or polyacid oxygenated or not, as for example hydrochloric, nitric and sulfuric acids.
- step (c) of the process according to the invention a carboxy group COOH is added to the carbon atom of the carboxylic acid of formula (VI) which carries the substituent R *.
- This synthesis requires globally providing 1 mole of carbon monoxide CO and one mole of water for each mole of carboxylic acid of formula (VI) to be functionalized.
- a first synthesis mode corresponding to variant (ci), consists in using formic acid as a vehicle for CO and water and in using a catalyst based on a strong acid; such a reaction is known in the prior art, cf. in particular the document New J. Chem. , 1992, 1 £, 521-524, the content of which is incorporated herein by reference, but it has never been applied to a substrate having the structure of the mono-carboxylic compound of formula (VI) in order to obtain the dicarboxylic acid of formula (VII).
- a strong mono-or polyacid, mineral or organic, oxygenated or not, is used as catalyst, at least one of the acid functions (when there are several) has an ionization constant in water, pKa , less than or equal to 3, such as for example: among mineral acids, hydrochloric, sulfuric, orthophosphoric, pyrophosphoric acids; among organic acids, organosulfonic acids (in particular paratoluenesulfonic, methanesulfonic, single naphthalenesulf), organophosphonic acids (in particular monoalkyl- or monoarylphosphonic acids such as methylphosphonic or benzenephosphonic), strong halogenated polycarboxylic acids (such as acids dihalogeno- and trihalogeno-, especially chloro- and fluoroacetic or propionic).
- a strong acid which is particularly suitable is sulfuric acid;
- the hydroxycarbonylation reaction is carried out using, for each mole of starting carboxylic acid of formula (VI), 1 to 15 moles of water and 10 to 50 H + ions;
- the water and the strong acid which are necessary for the reaction are introduced together into the reaction medium in the form of a concentrated aqueous solution of strong acid whose concentration by weight of pure acid and the quantity are determined so as to bring the required amount of water and the number of H + ions;
- the weight concentration of pure acid is in the range from 90 to 98%;
- the reaction temperature is in the range from room temperature (20 ° C) to 100 ° C and is maintained until the absorption of C0 ceases.
- the reactions can be carried out under the following advantageous conditions 1 to 6 which, preferably, will be taken in combination:
- an amount of formic acid is used, expressed by the number of moles of this compound relative to one mole of carboxylic acid of formula (VI), which is between 1 and 4 moles;
- the strong acid catalyst is used in the pure state or in the form of a concentrated aqueous solution whose weight concentration of pure acid is at least equal to 95%;
- an amount of strong acid catalyst is used, expressed in number of H + ions per mole of starting carboxylic acid of formula (VI), which is between 5 and 40 H + ions;
- reaction temperature is in the range from room temperature (20 ° C) to 100 ° C and is maintained for a period of the order of 3 hours to 6 hours depending on the temperature value.
- step (d) of the process according to the invention the dicarboxylic acid of formula (VII) is cyclized to obtain the cyclopentanone of formula (I).
- a first mode of synthesis corresponding to variant (d), consists in converting the diacid into a cyclic anhydride by reaction with a lower carboxylic acid anhydride which then loses CO2 during the reaction under the effect of temperature; such a reaction can be carried out in a known manner as indicated in particular in the documents, Compt. rend., 142, 1084-1085 (1906) and Compt. rend., 144. 1356-1358 (1907) the contents of which are incorporated herein by reference.
- Another mode of synthesis which is particularly used here and corresponds to variant (of i), consists in subjecting the diacid to a pyrolysis reaction in liquid or gas phase in the presence of a particular catalyst, such a reaction is known in the prior art, cf. especially Bull. Acad. dry. USSR, sci class. chem., (29-40), 489-493 (1947) and J. Org. Chem., 25., 1841-1844, (1960), but the particular catalyst used in this memo is not described there.
- the cyclizing decarboxylation reaction is carried out in the liquid phase, that is to say in the presence of a reaction solvent which is a solvent (or a mixture of solvents) organic (s) inert with respect to the dicarboxylic acid starting material and the cyclic ketone obtained, and each having a high boiling temperature of between 200 ° C and 500 ° C.
- a reaction solvent which is a solvent (or a mixture of solvents) organic (s) inert with respect to the dicarboxylic acid starting material and the cyclic ketone obtained, and each having a high boiling temperature of between 200 ° C and 500 ° C.
- suitable organic solvents there may be mentioned in particular: paraffinic hydrocarbons such as decane, undecane, dodecane or tetradecane; aromatic hydrocarbons such as xylenes, cumene, petroleum fractions consisting of a mixture of alkylbenzenes, in particular the Solvesso type fractions; heavy esters of mineral acids such as tricresyl phosphate or of carboxylic acids such as octyl phthalate; aromatic ethers such as biphenyl oxide or benzene oxide; paraffinic and / or naphthenic oils, petroleum distillation residues;
- paraffinic hydrocarbons such as decane, undecane, dodecane or tetradecane
- aromatic hydrocarbons such as xylenes, cumene, petroleum fractions consisting of a mixture of alkylbenzenes, in particular the Solvesso type fractions
- heavy esters of mineral acids such as tricresyl phosphate or of carboxy
- the concentration of the starting dicarboxylic acid of formula (VII) in the reaction mass, formed of the starting diacid, of the catalyst and of the organic solvent (s), generally represents from 10 to 50% of the weight of the reaction mass;
- a metal or a metalloid taken in the form: a metal or a metalloid; a single or double oxide or a single or double hydroxide; a single or double mineral salt such as for example a nitrate, a sulfate, an oxysulfate, a halide, an oxyhalide, a silicate, a carbonate; or of a single or double organic salt such as for example an acetylacetonate, an alcoholate such as for example a methylate or an ethylate, a carboxylate such as for example an acetate or an oxalate.
- a metal or a metalloid taken in the form: a metal or a metalloid; a single or double oxide or a single or double hydroxide; a single or double mineral salt such as for example a nitrate, a sulfate, an oxysulfate, a halide, an oxyhalide, a silicate, a carbonate;
- Suitable catalysts mention will be made in particular the following catalysts: sodium or potassium tetraborate; tin oxide; sodium or potassium stannate; bismuth, cesium or rubidium carbonate, molybdenum, aluminum, indium or antimony oxide; thallium acetate; - of type (2i), a phosphate or condensed phosphate, of pyrophosphate or polyphosphate type, in the structure of which the cation is a cation derived in particular from an element of the group la (with the exception of rubidium and cesium), 2a or 3b of the Periodic Table published in the Bulletin of the elaborate Chimique de France, n ° l (1966) or an ammonium cation.
- suitable catalysts mention may in particular be made of the following catalysts: phosphates, pyrophosphates, tripolyphosphates or pentapolyphosphate of sodium or potassium;
- an amount of catalyst is used, expressed in number of atom-grams of metal cation per 100 moles of dicarboxylic acid, which is between 0.1 and 30% and more precisely between 5 and 20%;
- the cyclizing decarboxylation reaction is carried out at a temperature between 200 ° C and 300 ° C which can be chosen equal to the reflux temperature of the reaction mixture;
- the cyclizing decarboxylation reaction is carried out by distilling off, as they are formed, the cyclic ketone, the carbon dioxide and the water formed; at the end of the reaction, the cyclic ketone is recovered from the distillate, according to the conventional techniques used in this technical field, in particular by decantation or by crystallization.
- the contents of the autoclave are transferred to a separatory funnel where an aqueous phase and an organic phase separate.
- the collected aqueous phase contains the catalyst and the catalyst-free upper orgasmic phase contains the desired adduct of formula (TV).
- the separated organic phase is washed with 20 ml of salt water.
- the aqueous phase is extracted with 50 ml of ethyl acetate, then it is then washed with 20 ml of salt water.
- the organic phases are combined, then dried over anhydrous Na2S ⁇ 4.
- step (b) of the method according to the invention illustrates the implementation of step (b) of the method according to the invention.
- 6OO ml of methanol is poured into a 1 liter three-necked flask, purged beforehand with argon, equipped with mechanical stirring, a thermometer, a 250 ml dropping funnel and a distillation column. anhydrous.
- the expected carboxylic acid of formula (VI) settles spontaneously.
- the aqueous phase is extracted twice in succession with each time 100 ml of CH2Cl2.
- the organic phases are combined and dried over anhydrous Na2S ⁇ 4.
- the CH2Cl2 is removed by evaporation under reduced pressure and the crude product obtained is purified by distillation under reduced pressure (70-74 ° C; 3.10 ⁇ Pa) to yield 108.3 g of a colorless liquid which contains, after analysis by NMR, IR and determination by vapor phase chromatography, 95% by weight of carboxylic acid of formula:
- the residual filtrate is diluted with 1 liter of water and kept for 12 hours at 4 ° C: this makes it possible to isolate an additional 3.17 g of the desired dicarboxylic acid taken in the pure state.
- distillate After filtration and rinsing with CH2CI2, the distillate is made up to 100 ml with
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
Description
Claims
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BR9407734A BR9407734A (pt) | 1993-10-07 | 1994-10-04 | Processo de preparaçao de ciclopentanona mono ou disubstituída na posiçao 2 e processo de preparaçao de um diácido carboxílico |
| JP7510645A JPH09503219A (ja) | 1993-10-07 | 1994-10-04 | 2位がモノ−またはジ置換されたシクロペンタノンの製造方法 |
| AU79958/94A AU675367B2 (en) | 1993-10-07 | 1994-10-04 | Method for preparing of mono or di-2-substituted cyclopentanone |
| FI961553A FI961553L (fi) | 1993-10-07 | 1994-10-04 | Menetelmä asemassa 2 mono- tai disubstituoitujen syklopentanonien valmistamiseksi |
| EP94931058A EP0722432A1 (fr) | 1993-10-07 | 1994-10-04 | Procede de preparation de cyclopentanone mono- ou di-substituee en position 2 |
| KR1019960701794A KR960704829A (ko) | 1993-10-07 | 1996-04-04 | 2-위치에서 일치환 또는 이치환된 시클로펜타논의 제조방법(method for preparing of mono or di-2-substituted cyclopentanone) |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9312153A FR2710908B1 (fr) | 1993-10-07 | 1993-10-07 | Procédé de préparation de cyclopentanone mono- ou di-substituée en position 2. |
| FR93/12153 | 1993-10-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO1995009830A1 true WO1995009830A1 (fr) | 1995-04-13 |
Family
ID=9451769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR1994/001157 WO1995009830A1 (fr) | 1993-10-07 | 1994-10-04 | Procede de preparation de cyclopentanone mono- ou di-substituee en position 2 |
Country Status (14)
| Country | Link |
|---|---|
| EP (1) | EP0722432A1 (fr) |
| JP (1) | JPH09503219A (fr) |
| KR (1) | KR960704829A (fr) |
| CN (1) | CN1132503A (fr) |
| AU (1) | AU675367B2 (fr) |
| BR (1) | BR9407734A (fr) |
| CA (1) | CA2173618A1 (fr) |
| CZ (1) | CZ100796A3 (fr) |
| FI (1) | FI961553L (fr) |
| FR (1) | FR2710908B1 (fr) |
| HU (1) | HUT74481A (fr) |
| IL (1) | IL111166A0 (fr) |
| WO (1) | WO1995009830A1 (fr) |
| ZA (1) | ZA947879B (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103086858B (zh) * | 2012-12-30 | 2015-03-04 | 浙江工业大学 | 一种3-甲基环戊酮的合成方法 |
| CN112010744A (zh) * | 2019-05-29 | 2020-12-01 | 武汉臻智生物科技有限公司 | 法尼基丙酮及其制备方法 |
| CN110981710B (zh) * | 2019-11-26 | 2022-11-08 | 万华化学集团股份有限公司 | 一种由异戊二烯合成甲基庚烯酮的方法 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0044771A1 (fr) * | 1980-07-10 | 1982-01-27 | Rhone-Poulenc Sante | Procédé d'addition sélective d'un composé ayant un atome de carbone activé sur un diène conjugué substitué |
| EP0188209A2 (fr) * | 1985-01-07 | 1986-07-23 | E.I. Du Pont De Nemours And Company | Hydrocarboxylation d'acides carboxyliques non saturés en acides dicarboxyliques linéaires |
| EP0251111A2 (fr) * | 1986-07-01 | 1988-01-07 | BASF Aktiengesellschaft | Procédé pour la fabrication de cétones cycliques |
| EP0266687A2 (fr) * | 1986-11-07 | 1988-05-11 | BASF Aktiengesellschaft | Procédé pour la fabrication de cyclopentanone |
| EP0306873A2 (fr) * | 1987-09-09 | 1989-03-15 | BASF Aktiengesellschaft | Procédé pour la préparation de la cyclopentanone |
-
1993
- 1993-10-07 FR FR9312153A patent/FR2710908B1/fr not_active Expired - Fee Related
-
1994
- 1994-10-04 FI FI961553A patent/FI961553L/fi not_active Application Discontinuation
- 1994-10-04 CZ CZ961007A patent/CZ100796A3/cs unknown
- 1994-10-04 JP JP7510645A patent/JPH09503219A/ja active Pending
- 1994-10-04 IL IL11116694A patent/IL111166A0/xx unknown
- 1994-10-04 WO PCT/FR1994/001157 patent/WO1995009830A1/fr not_active Application Discontinuation
- 1994-10-04 BR BR9407734A patent/BR9407734A/pt not_active Application Discontinuation
- 1994-10-04 CN CN94193694A patent/CN1132503A/zh active Pending
- 1994-10-04 HU HU9600905A patent/HUT74481A/hu unknown
- 1994-10-04 CA CA002173618A patent/CA2173618A1/fr not_active Abandoned
- 1994-10-04 EP EP94931058A patent/EP0722432A1/fr not_active Ceased
- 1994-10-04 AU AU79958/94A patent/AU675367B2/en not_active Ceased
- 1994-10-07 ZA ZA947879A patent/ZA947879B/xx unknown
-
1996
- 1996-04-04 KR KR1019960701794A patent/KR960704829A/ko not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0044771A1 (fr) * | 1980-07-10 | 1982-01-27 | Rhone-Poulenc Sante | Procédé d'addition sélective d'un composé ayant un atome de carbone activé sur un diène conjugué substitué |
| EP0188209A2 (fr) * | 1985-01-07 | 1986-07-23 | E.I. Du Pont De Nemours And Company | Hydrocarboxylation d'acides carboxyliques non saturés en acides dicarboxyliques linéaires |
| EP0251111A2 (fr) * | 1986-07-01 | 1988-01-07 | BASF Aktiengesellschaft | Procédé pour la fabrication de cétones cycliques |
| EP0266687A2 (fr) * | 1986-11-07 | 1988-05-11 | BASF Aktiengesellschaft | Procédé pour la fabrication de cyclopentanone |
| EP0306873A2 (fr) * | 1987-09-09 | 1989-03-15 | BASF Aktiengesellschaft | Procédé pour la préparation de la cyclopentanone |
Non-Patent Citations (2)
| Title |
|---|
| C.F. WILCOX ET AL.: "The Preparation of 5,5 - Dimethylcyclopentadiene", JOURNAL OF ORGANIC CHEMISTRY., vol. 25, 1960, EASTON US, pages 1841 - 1844 * |
| J. TSUJI ET AL.: "A New Synthetic Method for Methyl Dihydrojasmonate from a Butadiene Telomer", BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN, vol. 52, no. 1, 1979, TOKYO JP, pages 216 - 217 * |
Also Published As
| Publication number | Publication date |
|---|---|
| FI961553A0 (fi) | 1996-04-09 |
| IL111166A0 (en) | 1994-12-29 |
| FI961553A7 (fi) | 1996-04-09 |
| FR2710908A1 (fr) | 1995-04-14 |
| HU9600905D0 (en) | 1996-05-28 |
| EP0722432A1 (fr) | 1996-07-24 |
| FR2710908B1 (fr) | 1995-11-17 |
| CA2173618A1 (fr) | 1995-04-13 |
| JPH09503219A (ja) | 1997-03-31 |
| FI961553L (fi) | 1996-04-09 |
| CZ100796A3 (en) | 1996-07-17 |
| ZA947879B (en) | 1995-05-22 |
| CN1132503A (zh) | 1996-10-02 |
| AU7995894A (en) | 1995-05-01 |
| HUT74481A (en) | 1997-01-28 |
| BR9407734A (pt) | 1997-02-12 |
| KR960704829A (ko) | 1996-10-09 |
| AU675367B2 (en) | 1997-01-30 |
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