WO2010122043A1 - Procede de preparation d'un terpenylcyclohexanol - Google Patents
Procede de preparation d'un terpenylcyclohexanol Download PDFInfo
- Publication number
- WO2010122043A1 WO2010122043A1 PCT/EP2010/055245 EP2010055245W WO2010122043A1 WO 2010122043 A1 WO2010122043 A1 WO 2010122043A1 EP 2010055245 W EP2010055245 W EP 2010055245W WO 2010122043 A1 WO2010122043 A1 WO 2010122043A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- weight
- process according
- group
- hydrogenation
- formula
- Prior art date
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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
- C07C41/18—Preparation of ethers by reactions not forming ether-oxygen bonds
- C07C41/20—Preparation of ethers by reactions not forming ether-oxygen bonds by hydrogenation of carbon-to-carbon double or triple bonds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/17—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrogenation of carbon-to-carbon double or triple bonds
- C07C29/19—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrogenation of carbon-to-carbon double or triple bonds in six-membered aromatic rings
- C07C29/20—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrogenation of carbon-to-carbon double or triple bonds in six-membered aromatic rings in a non-condensed rings substituted with hydroxy groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J25/00—Catalysts of the Raney type
- B01J25/02—Raney nickel
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B9/00—Essential oils; Perfumes
- C11B9/0042—Essential oils; Perfumes compounds containing condensed hydrocarbon rings
- C11B9/0046—Essential oils; Perfumes compounds containing condensed hydrocarbon rings containing only two condensed rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
- C07C2601/14—The ring being saturated
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2602/00—Systems containing two condensed rings
- C07C2602/36—Systems containing two condensed rings the rings having more than two atoms in common
- C07C2602/42—Systems containing two condensed rings the rings having more than two atoms in common the bicyclo ring system containing seven carbon atoms
Definitions
- the present invention relates to a process for preparing a terpenylcyclohexanol from a terpenylphenol.
- Sandalwood oil is one of the oldest raw materials that because of its interesting olfactory properties has been widely used in perfumery. However, this natural product is excessively expensive and synthetic substitution products have been sought.
- terpenylcyclohexanols are obtained by condensation of a phenol and camphene, in the presence of a Lewis acid catalyst followed by hydrogenation of the aromatic ring to give cyclohexanol.
- the hydrogenation reaction is conducted at an elevated temperature of between 200 ° C. and 300 ° C., preferably between 225 ° C. and 250 ° C., under a hydrogen pressure of between 200 and 250 bar.
- the amount of catalyst used represents from 3 to 20% of the weight of the product of the reaction between catechol and camphene.
- Example 9 indicates the use of 30 g of Raney nickel for the hydrogenation of 350 g of substrate.
- the Applicant proposes to provide a more interesting process from an economic point of view.
- One of the objectives of the present invention is to improve the hydrogenation conditions in particular, to conduct the reaction at a lower temperature.
- Another object of the invention is to implement a lesser amount of catalyst.
- the use of the catalyst as defined according to the invention makes it possible to carry out the hydrogenation reaction at a lower temperature and that the amount of catalyst used can be decreased without degrading the olfactory quality of the mixture obtained.
- the process of the invention is particularly applicable to substrates corresponding to the following general formula:
- R represents a linear or branched alkyl group having from 1 to 4 carbon atoms
- T represents a bicyclic terpenyl group comprising 10 carbon atoms.
- the terpenylcyclohexanol used corresponds to formula (I) in which Y represents an OH group, a group OR in which R represents a methyl or ethyl group.
- terpenyl T group it represents one of the following groups, alone or in mixture: bornyl group, isobornyl, camphyl, isocamphyl, fenchyl, isofenyl.
- the starting terpenyl phenol is a mixture of isomers of position and isomers of terpenyl so that the hydrogenated product obtained is also a mixture of isomers.
- terpenylphenol So called "terpenylphenol", the mixture of isomers bornylphenol, isobornylphenol, camphylphenol, isocamphylphenol, fenchylphenol, isofenchylphenol. These terpenyl groups can be found on all the free positions of the aromatic ring.
- the proportion of different isomers depends on the nature of the starting substrate and the conditions of the preparation of terpenylphenol.
- a terpenylphenol which can be prepared according to the various processes described in the literature is involved in the process of the invention.
- a catalyst suitable for the reaction is boron trifluoride.
- complexes of boron trifluoride comprising between 20 and 70% by weight of boron trifluoride.
- complexes there may be mentioned in particular the complexes comprising boron trifluoride combined with a solvent chosen from ethyl ether, acetic acid, acetonitrile and preferably phenol.
- zeolite catalyst preference is given to a zeolite having large pores.
- zeolites mention may be made more particularly of ⁇ -zeolites, Y-zeolites and mordenites, all in acid form.
- Another catalyst that is suitable for the condensation reaction is constituted by the group of clays and more particularly montmorillonites and in particular the clays sold by Sud-Chemie, such as clays K 10 and K 20.
- Camphene reacted with phenol is a commercially available product. Generally, it is a mixture of camphene and tricyclene present at a content of not more than 10% of the weight of the mixture, and preferably at a content of not more than 7%.
- the phenolic compound reacting with camphene preferentially responds to the following formula:
- Y has the meaning given for formula (I).
- the ratio between the number of moles of phenol and the number of moles of camphene varies between 1 and 4 and is preferably between 1 and 2.
- the amount of Lewis acid catalyst depends on the catalyst selected.
- the amount used may vary for example between 0.05 and 25 g per mole of phenolic compound and for a catalyst of the clay or zeolite type, the amount is from 0.1 to 1 g per mole of phenolic compound.
- the reaction can be conducted in the presence or absence of an organic solvent depending on the physical properties of the starting substrate.
- the choice of the solvent is such that it must be inert under the reaction conditions of the invention. It must have the property of dissolving the starting phenolic substrate.
- suitable solvents in this process step mention may be made of aliphatic or cycloaliphatic hydrocarbons.
- hydrocarbons examples include aliphatic hydrocarbons and more particularly paraffins such as, in particular, cyclohexane.
- halogenated hydrocarbons such as perchlorinated hydrocarbons such as in particular trichloromethane; partially chlorinated hydrocarbons such as dichloromethane, dichloroethane; monochlorobenzene, 1,2-dichlorobenzene, 1,3-dichlorobenzene, 1,4-dichlorobenzene or mixtures of different chlorobenzenes,
- the reaction between phenol and camphene is advantageously carried out at a temperature ranging between 20 ° C. and 200 ° C. and preferably between 20 ° C. and 180 ° C.
- the process of the invention is generally carried out under atmospheric pressure but slightly above or below atmospheric pressures may also be suitable.
- the reaction time may vary for example between 2 and 24 hours, preferably between 2 and 12 hours.
- the catalyst is removed by a solid / liquid separation technique, preferably by filtration when the catalyst is heterogeneous or by an aqueous hydrolysis operation followed by liquid / liquid decantation when the catalyst is homogeneous.
- a solid / liquid separation technique preferably by filtration when the catalyst is heterogeneous or by an aqueous hydrolysis operation followed by liquid / liquid decantation when the catalyst is homogeneous.
- the Raney nickel conventionally used in the reduction reactions and in particular in the hydrogenation reactions is a catalyst generally prepared according to the mode described below.
- a nickel / aluminum alloy is prepared by melting a mixture comprising from 25 to 75% by weight of nickel and from 25 to 75% by weight of aluminum, but most often an equimassic weight ratio is preferred.
- the melting point is preferably chosen between 1100 ° C. and 1700 ° C.
- the molten alloy is then solidified generally as ingots by casting into molds and cooling to room temperature (15 to 25 ° C).
- the ingots are crushed and milled until the alloy is obtained in powder form.
- a basic treatment is then carried out which allows the dissolution of a part of the aluminum and thus produces a porous microstructure
- the catalyst obtained consists of agglomerates of nickel crystallites, having a large specific surface area and a residual content of variable aluminum.
- the basic attack is preferably carried out using a concentrated solution of alkaline hydroxide, preferably sodium hydroxide (for example 20 to 30% by weight) and an excess of base; the base / alloy molar ratio expressed in Al being preferably between 1 and 1, 3.
- the operation is carried out at a temperature preferably chosen between
- the catalyst is obtained in the form of an aqueous suspension powder and is separated from the aqueous phase which comprises the alkali aluminate.
- the catalyst is generally washed to remove excess base.
- the doped Raney nickel according to the invention is prepared according to the method of preparation given above with the addition of iron and chromium dopants in the molten Ni-Al precursor alloy or at the same time as nickel and aluminum. It is a metallurgical doping.
- the quantity of dopants used is such that a catalyst having the compositions defined below is obtained.
- the catalyst involved in the process of the invention advantageously comprises: from 1 to 5% by weight of chromium
- the catalyst preferably used in the process of the invention comprises:
- the catalyst of the invention having the composition as defined is most often in the form of a fine powder having a particle size measured by sieving ranging from 10 to 40 microns.
- the catalyst being a pyrophoric catalyst, it is stored and introduced into the reaction in the form of a basic aqueous suspension having a pH of between 9 and 11 and a concentration ranging between 30 and 50% by weight.
- the hydrogenation of terpenylphenol is carried out in the presence of a Raney nickel catalyst as defined.
- the amount of hydrogenation catalyst used expressed as the ratio between the mass of metal and the mass of compound of formula (I) can vary, for example, between 1 and 10% by weight, preferably between 1 and 5 % and even more preferably between 1 and 3% by weight.
- the reaction is preferably conducted in bulk but it is not excluded to implement an organic solvent when the medium is difficult to manipulate.
- solvents include alcohols such as isopropanol.
- the process of the invention is carried out at a temperature chosen from a temperature range of 180 ° C. and 250 ° C. and more particularly between 190 ° C. and 220 ° C.
- the reaction is carried out under hydrogen pressure ranging from a pressure slightly above atmospheric pressure to a pressure of several tens of bars.
- the hydrogen pressure varies between 18 and 30 bar, and more preferably between 20 and 25 bar.
- Y ' represents a hydrogen atom when Y represents a hydrogen atom
- Y ' represents a hydrogen atom when Y is a group OR
- Y ' represents an OH group when Y is an OH group.
- hydrogenation according to the process of the invention occurs during the operation, also an alcoholysis reaction which corresponds to the formation of a ROH alcohol which must be eliminated during hydrogenation by continuous or sequential purges.
- it is possible to implement the process according to the invention by introducing into a stainless steel autoclave the compound of formula (I), the catalyst, and the solvent (water), then, after the usual purges, by feeding the autoclave with adequate hydrogen pressure; the contents of the autoclave are then stirred at the proper temperature until the absorption ceases.
- the reactor is purged to remove water and / or alcohol formed during the hydrogenation reaction.
- the pressure in the autoclave can be kept constant during the reaction time by successive purges to remove a light alcohol if it has formed.
- the autoclave is cooled and degassed.
- reaction mixture is then treated in a conventional manner to recover terpenylcyclohexanol.
- an organic solvent preferably a low molecular weight alcohol, for example isopropanol, in order to fluidify the reaction mixture.
- the catalyst is separated according to standard solid / liquid separation techniques, preferably by filtration, and terpenylcyclohexanol is recovered from the filtrate, in particular by distillation.
- the transformation rate of terpenylguaiacol is defined as the ratio between the number of moles of terpenylguaiacol converted and the number of moles of terpenylguaiacol used.
- the medium immediately turns brown and is gradually heated to 150 ° C.
- the temperature is then reduced to 60 ° C. and the reaction medium is filtered through a bed of Celite (diatomaceous earth) to remove the catalyst.
- Celite diatomaceous earth
- the filtrate is then charged into a 2 liter boiler and distilled at about 100 ° C., under reduced pressure of 20 mbar of mercury, the guaiacol placed in excess.
- the reactor is then pressurized under 20 bar of hydrogen, stirred and heated gradually to 200 ° C.
- the reactor skies are purged to remove the water introduced with the Raney nickel catalyst.
- the reactor is pressurized again under 20 bar of hydrogen and the hydrogenation is carried out by keeping the pressure in the reactor constant (20 bar).
- the hydrogen supply is cut off and the reactor is purged to remove the methanol and lighters formed in the reaction.
- the temperature is brought to 60 ° C. and 50 ml of isopropanol are introduced to reduce the viscosity.
- reaction medium is then filtered through Celite to remove the catalyst.
- the terpenyl unit is not isomerized during the hydrogenation.
- Comparative Example 2 The hydrogenation is carried out as in Example 1 but using the catalyst marketed by the company DEGUSSA BK111W doped with molybdenum and containing less than 6.5% by weight of aluminum.
- the hydrogenation is carried out as in Example 1 but using the catalyst marketed by ACTIVATED METAL A 5000 containing 7% aluminum and 0.16% iron.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Fats And Perfumes (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610960472.0A CN106518632A (zh) | 2009-04-22 | 2010-04-21 | 制备萜烯基环己醇的方法 |
BRPI1007739A BRPI1007739A2 (pt) | 2009-04-22 | 2010-04-21 | processo de preparação de um terpenilciclohexanol por hidrogenação de um terpenilfenol |
EP10714297A EP2421812A1 (fr) | 2009-04-22 | 2010-04-21 | Procede de preparation d'un terpenylcyclohexanol |
JP2012506477A JP2012524749A (ja) | 2009-04-22 | 2010-04-21 | テルペニルシクロヘキサノールの製造方法 |
CN2010800180288A CN102421737A (zh) | 2009-04-22 | 2010-04-21 | 制备萜烯基环己醇的方法 |
CA2758475A CA2758475A1 (fr) | 2009-04-22 | 2010-04-21 | Procede de preparation d'un terpenylcyclohexanol |
US13/265,640 US20120059196A1 (en) | 2009-04-22 | 2010-04-21 | Method for preparing a terpenylcyclohexanol |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0901941A FR2944789B1 (fr) | 2009-04-22 | 2009-04-22 | Procede de preparation d'un terpenylcyclohexanol |
FR0901941 | 2009-04-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010122043A1 true WO2010122043A1 (fr) | 2010-10-28 |
Family
ID=41314580
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2010/055245 WO2010122043A1 (fr) | 2009-04-22 | 2010-04-21 | Procede de preparation d'un terpenylcyclohexanol |
Country Status (8)
Country | Link |
---|---|
US (1) | US20120059196A1 (fr) |
EP (1) | EP2421812A1 (fr) |
JP (1) | JP2012524749A (fr) |
CN (2) | CN106518632A (fr) |
BR (1) | BRPI1007739A2 (fr) |
CA (1) | CA2758475A1 (fr) |
FR (1) | FR2944789B1 (fr) |
WO (1) | WO2010122043A1 (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2616618C1 (ru) * | 2016-05-05 | 2017-04-18 | Федеральное Государственное Бюджетное Учреждение Науки Институт Химии Коми Научного Центра Уральского Отделения Российской Академии Наук | ω-(Гидроксиарил)алкилсульфиды на основе 2-изоборнил-6-метил-4-пропилфенола |
DE102016110661A1 (de) | 2016-06-09 | 2017-12-14 | Salzgitter Flachstahl Gmbh | Verfahren zur Herstellung eines kaltgewalzten Stahlbandes aus einem hochfesten, manganhaltigen Stahl |
JP6381050B2 (ja) * | 2016-09-02 | 2018-08-29 | 曽田香料株式会社 | 昆虫忌避剤 |
EP3300798A1 (fr) | 2016-09-30 | 2018-04-04 | Evonik Degussa GmbH | Lit fixe de catalyseur comprenant de la mousse métallique |
CN109465011B (zh) * | 2018-10-25 | 2022-07-12 | 山东新和成药业有限公司 | 一种氢化催化剂、制备方法及其在环氧苯乙烷开环制备苯乙醇中的应用 |
CN111662157B (zh) * | 2020-06-18 | 2023-07-07 | 西安工程大学 | 一种钴催化合成2,6-二叔丁基-4-甲基环己醇的方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4061686A (en) | 1976-03-01 | 1977-12-06 | International Flavors & Fragrances Inc. | Cyclohexane diol composition |
US4104203A (en) * | 1976-12-22 | 1978-08-01 | International Flavors & Fragrances Inc. | Perfume compositions containing catechol-camphene reaction products |
FR2539624A1 (fr) * | 1982-12-22 | 1984-07-27 | Kao Corp | Derives de cyclohexanol et compositions de parfums les contenant |
WO2004018398A1 (fr) * | 2002-08-22 | 2004-03-04 | Symrise Gmbh & Co. Kg | Procede pour la production de menthol |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE792649A (fr) * | 1971-12-13 | 1973-06-12 | Rhone Poulenc Sa | Catalyseur a base de nickel raney au fer |
DE2707340C2 (de) * | 1976-03-01 | 1983-07-14 | International Flavors & Fragrances Inc., New York, N.Y. | Aromatisches Gemisch |
JPS53119854A (en) * | 1977-03-29 | 1978-10-19 | Takeda Chem Ind Ltd | Preparation of 4,4'-isopropylidenedicyclohexanol |
DE2921139A1 (de) * | 1979-05-25 | 1980-12-04 | Haarmann & Reimer Gmbh | Ethylether des isocamphyl-guajakols, verfahren zu ihrer herstellung und ihre verwendung zur herstellung von 3- eckige klammer auf isocamphyl-(5) eckige klammer zu -cyclohexanol |
DE19638300A1 (de) * | 1996-09-19 | 1998-03-26 | Bayer Ag | Verfahren zur Herstellung von Isocamphyl-cyclohexanolen |
DE10101646A1 (de) * | 2001-01-16 | 2002-07-18 | Degussa | Verfahren zur Herstellung von gesättigten organischen Verbindungen |
-
2009
- 2009-04-22 FR FR0901941A patent/FR2944789B1/fr not_active Expired - Fee Related
-
2010
- 2010-04-21 CA CA2758475A patent/CA2758475A1/fr not_active Abandoned
- 2010-04-21 CN CN201610960472.0A patent/CN106518632A/zh active Pending
- 2010-04-21 WO PCT/EP2010/055245 patent/WO2010122043A1/fr active Application Filing
- 2010-04-21 CN CN2010800180288A patent/CN102421737A/zh active Pending
- 2010-04-21 BR BRPI1007739A patent/BRPI1007739A2/pt not_active IP Right Cessation
- 2010-04-21 EP EP10714297A patent/EP2421812A1/fr not_active Withdrawn
- 2010-04-21 JP JP2012506477A patent/JP2012524749A/ja active Pending
- 2010-04-21 US US13/265,640 patent/US20120059196A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4061686A (en) | 1976-03-01 | 1977-12-06 | International Flavors & Fragrances Inc. | Cyclohexane diol composition |
US4104203A (en) * | 1976-12-22 | 1978-08-01 | International Flavors & Fragrances Inc. | Perfume compositions containing catechol-camphene reaction products |
FR2539624A1 (fr) * | 1982-12-22 | 1984-07-27 | Kao Corp | Derives de cyclohexanol et compositions de parfums les contenant |
WO2004018398A1 (fr) * | 2002-08-22 | 2004-03-04 | Symrise Gmbh & Co. Kg | Procede pour la production de menthol |
Also Published As
Publication number | Publication date |
---|---|
CN102421737A (zh) | 2012-04-18 |
JP2012524749A (ja) | 2012-10-18 |
US20120059196A1 (en) | 2012-03-08 |
CA2758475A1 (fr) | 2010-10-28 |
BRPI1007739A2 (pt) | 2016-02-16 |
CN106518632A (zh) | 2017-03-22 |
EP2421812A1 (fr) | 2012-02-29 |
FR2944789B1 (fr) | 2011-05-20 |
FR2944789A1 (fr) | 2010-10-29 |
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