WO1998015522A2 - Procede de preparation de derives de trans-4-(4-aminomethylphenyl)cyclohexanols - Google Patents
Procede de preparation de derives de trans-4-(4-aminomethylphenyl)cyclohexanols Download PDFInfo
- Publication number
- WO1998015522A2 WO1998015522A2 PCT/FR1997/001749 FR9701749W WO9815522A2 WO 1998015522 A2 WO1998015522 A2 WO 1998015522A2 FR 9701749 W FR9701749 W FR 9701749W WO 9815522 A2 WO9815522 A2 WO 9815522A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- formula
- branched
- linear
- group
- aminomethylphenyl
- 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
- 0 *N(C(c1ccc(C(CC2)CCC2=O)cc1)=O)I Chemical compound *N(C(c1ccc(C(CC2)CCC2=O)cc1)=O)I 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C213/00—Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton
- C07C213/08—Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton by reactions not involving the formation of amino groups, hydroxy groups or etherified or esterified hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C235/00—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms
- C07C235/70—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups and doubly-bound oxygen atoms bound to the same carbon skeleton
- C07C235/84—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups and doubly-bound oxygen atoms bound to the same carbon skeleton with the carbon atom of at least one of the carboxamide groups bound to a carbon atom of a six-membered aromatic ring
-
- 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
Definitions
- the present invention relates to a process for the preparation of trans-4- (4-aminomethylphenyl) cyclohexanols derivatives of formula (I)
- R ⁇ and R 2 represent, independently of one another, a linear or branched C 1-6 alkyl group, a benzyl group or a phenyl group optionally substituted by one or two substituents such as a C group 1-4 alkyl, linear or branched, or a halogen, such as fluorine, chlorine, bromine or iodine.
- trans-4- (4 -aminomethylphenyl) cyclohexanols can be synthetic intermediates useful for the preparation of compounds inhibiting cholesterol biosynthesis, such as, for example, those described in patent applications DE 4,412,692 and 095 / 29148.
- the reduction is carried out by means of a hydride such as a diborane or a mixed hydride of lithium and aluminum, in a solvent such as toluene, a mixture of hydrocarbon or ethers such as diethylether or tetrahydrofuran, at temperatures between 0 and 70 ° C.
- a hydride such as a diborane or a mixed hydride of lithium and aluminum
- a solvent such as toluene, a mixture of hydrocarbon or ethers such as diethylether or tetrahydrofuran
- the compound of formula (III) is treated with a solution of sodium hydride and bis (2-methoxyethoxy) aluminum in a solvent such as toluene to give mainly the compound (I) in trans form.
- the compounds of formula (I) can be purified by crystallization in the form of dicarboxylic acid salts such as for example in the form of fumarate.
- the compounds of formula (III), in which R ⁇ and R 2 are as defined in formula (I), are obtained by a carbamoylation reaction on 4-phenylcyclohexanone of formula (II) according to methods known from skilled in the art.
- 4-phenylcyclohexanone is treated with oxalyl chloride in the presence of aluminum chloride, in a halogenated solvent such as for example dichloromethane, at temperatures between - 10 and + 10 ° C, then after hydrolysis , by a dialkylamine of formula (IV), in which R ⁇ and R 2 are as defined in formula (I).
- Example 1 after reacting 100 g of 4-phenylcyclohexanone with aluminum chloride and oxalyl chloride, hydrolysis and reaction with dimethylamine (700 ml of a 40% aqueous solution of dimethylamine), the organic phase containing the product is concentrated under vacuum. The residue is taken up in 350 ml of toluene and brought to 40 ° C. After crystallization at 10 ° C, the white solid formed is filtered to give 97.7 g of the expected compound.
- dimethylamine 700 ml of a 40% aqueous solution of dimethylamine
- a solution of 42.6 g (0.18 mole) of the compound obtained according to Example 2, in 250 ml of toluene and 22 ml of tetrahydrofuran is treated by addition of a 70% solution of sodium hydride and bis (2-methoxyethoxy) aluminum in toluene (165 ml) at 25 ° C for 4 hours.
- the medium is hydrolyzed with 370 ml of a 10% sodium hydroxide solution, the upper organic phase is concentrated under vacuum, the residue is taken up in 260 ml of acetone, and treated at 55 ° C. with a solution of 13.9 g of fumaric acid in 100 ml of water.
- the white solid, precipitated by cooling to + 5 ° C, is filtered to give, after drying, 49 g of product. 38.5 g of desired product are obtained after recrystallization from 90 ml of water and 280 ml of acetone.
- Example 1 After reaction of 100 g of 4- phenylcyclohexanone with aluminum chloride and oxalyl chloride, hydrolysis, and reaction at 25 ° C with 413 g of diethylamine in solution in 700 ml of water, the organic phase is concentrated in vacuo. 153 g of an oily residue are obtained which is crystallized from 200 ml of methyl tert-butyl ether. The white solid is filtered and dried under vacuum to give 64.8 g of the desired product.
- Example 4 after adding 100 g of 4-phenylcyclohexanone with aluminum chloride and oxalate chloride, hydrolysis and treatment with diethylamine (413 g in solution in 700 ml of water), the residue crude oily is dissolved in 400 ml of tetrahydrofuran. It is reacted with 380 ml of a solution of sodium hydride and bis (2-methoxyethoxy) aluminum at 70% in toluene, at 25-30 ° C for 4 hours. Hydrolysis is carried out with 760 ml of a 15% aqueous sodium hydroxide solution, the organic phase is concentrated under vacuum to obtain 160 g of an oil which is crystallized from 480 ml of diisopropyl ether. The white solid is filtered and dried under vacuum to give 74 g of the desired product.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU45593/97A AU4559397A (en) | 1996-10-08 | 1997-10-03 | Method for preparing trans-4-(4-aminomethylphenyl) cyclohexanol derivatives |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9612227A FR2754255B1 (fr) | 1996-10-08 | 1996-10-08 | Procede de preparation de derives de trans-4-(4- aminomethylphenyl) cyclohexanols |
| FR96/12227 | 1996-10-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO1998015522A2 true WO1998015522A2 (fr) | 1998-04-16 |
| WO1998015522A3 WO1998015522A3 (fr) | 2002-10-10 |
Family
ID=9496447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR1997/001749 Ceased WO1998015522A2 (fr) | 1996-10-08 | 1997-10-03 | Procede de preparation de derives de trans-4-(4-aminomethylphenyl)cyclohexanols |
Country Status (3)
| Country | Link |
|---|---|
| AU (1) | AU4559397A (fr) |
| FR (1) | FR2754255B1 (fr) |
| WO (1) | WO1998015522A2 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102093168A (zh) * | 2010-12-03 | 2011-06-15 | 西安瑞联近代电子材料有限责任公司 | 4-(反-4’正烷基环己基)环己醇异构化新方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4239150A1 (de) * | 1992-11-20 | 1994-05-26 | Thomae Gmbh Dr K | O-Acyl-4-phenyl-cyclohexanole, deren Salze, diese Verbindungen enthaltende Arzneimittel und deren Verwendung sowie Verfahren zu ihrer Herstellung |
| DE4412692A1 (de) * | 1994-04-13 | 1995-10-19 | Thomae Gmbh Dr K | Cycloalkanonoxime, deren Salze, diese Verbindungen enthaltende Arzneimittel und deren Verwendung sowie Verfahren zu ihrer Herstellung |
-
1996
- 1996-10-08 FR FR9612227A patent/FR2754255B1/fr not_active Expired - Fee Related
-
1997
- 1997-10-03 WO PCT/FR1997/001749 patent/WO1998015522A2/fr not_active Ceased
- 1997-10-03 AU AU45593/97A patent/AU4559397A/en not_active Abandoned
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102093168A (zh) * | 2010-12-03 | 2011-06-15 | 西安瑞联近代电子材料有限责任公司 | 4-(反-4’正烷基环己基)环己醇异构化新方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO1998015522A3 (fr) | 2002-10-10 |
| FR2754255B1 (fr) | 1998-10-30 |
| AU4559397A (en) | 1998-05-05 |
| FR2754255A1 (fr) | 1998-04-10 |
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