WO2005103005A1 - β-ピリジルアラニンの光学活性体の選択的製造方法 - Google Patents
β-ピリジルアラニンの光学活性体の選択的製造方法 Download PDFInfo
- Publication number
- WO2005103005A1 WO2005103005A1 PCT/JP2005/007824 JP2005007824W WO2005103005A1 WO 2005103005 A1 WO2005103005 A1 WO 2005103005A1 JP 2005007824 W JP2005007824 W JP 2005007824W WO 2005103005 A1 WO2005103005 A1 WO 2005103005A1
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- Prior art keywords
- pyridylalanine
- acid
- optically active
- salt
- optically
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/24—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D213/54—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D213/55—Acids; Esters
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B2200/00—Indexing scheme relating to specific properties of organic compounds
- C07B2200/07—Optical isomers
Definitions
- the present invention relates to a method for efficiently and selectively producing only desired optical isomers by racemizing undesired optical isomers among racemic j8-pyridylalanine.
- racemic optical resolution is indispensable to obtain such an optically active substance.
- the optical resolution of a racemate having an amino group includes L-tartaric acid, L-malic acid, dibenzoyl L-tartaric acid, L-mandelic acid, (+)-10-camphorsulfonic acid and (+ Optically rotating acids such as) -camphoric acid or isomers thereof are used.
- the yield of the optical resolution of the racemate is theoretically a chemical equivalent, that is, a maximum of 50% based on the total amount of the racemate. .
- Non-Patent Document 1 As a method for efficiently resolving a racemate of a compound having an amino group, an isomerization crystallization method using a Schiff base as an intermediate has been reported (Non-Patent Document 1).
- Non-Patent Document 1 Paul J. Reider et al., J. Org.Chem., 1987, 52, 955-957
- a racemic ⁇ -pyridylalanine that is, a desired optically active form of D, L- ⁇ -pyridylalanine can be used with an optically rotating acid which forms an addition salt therewith. That the salt is formed in a polar solvent and that the undesired optical isomer can be racemized and converted to the desired optical isomer by heating in the presence of a catalytic amount of an aromatic aldehyde. I found it.
- a salt with L- or D- ⁇ -pyridylalanine or its L- or (+) _- type or D- or (1-)-type optical rotatory acid thereby selectively selecting an optically active form of ⁇ -pyridylalanine.
- a manufacturing method is provided.
- an organic base that can dissociate the addition salt may be used according to a conventional method.
- the method for selectively producing an optically active form of ⁇ -pyridylalanine according to the present invention does not necessarily need to be in a solution state. However, it is considered that the above-mentioned estimation mechanism is repeated, and in fact, a desired optically active form of j8-pyridylalanine can be selectively produced efficiently in one pot, which is also a feature of the present invention.
- an undesired optical isomer that accounts for 50% of the racemic D, L- ⁇ -pyridylalanine, which has been effectively used in the conventional optical resolution method, has been desired. This is particularly useful when producing expensive pharmaceuticals, since it can be effectively used after being racemized into the optically active substance.
- a D, L- ⁇ -pyridylalanine or an addition salt thereof with a strong acid represented by By heating in the presence of an aromatic aldehyde and, in the case where an addition salt of the above compound is used, in the presence of an equimolar or more of an organic base, the formula: [0015] [Formula 2] Forms a salt between the L- ⁇ -pyridylalanine represented by and the L- or (+)-rotatory acid, while leaving D-
- Eta 2 New represented by COOH D- beta - Pirijiruaranin or the D- or (1) - to form a salt with type optical rotation acids, whereas, now remaining L-iS - Pirijiruaranin
- D- ⁇ -pyridylalanine or a salt thereof with a D-type or ( ⁇ )-type optical rotatory acid by racemizing to obtain a ⁇ -pyridylalanine or ⁇ -pyridylalanine.
- a method for selectively producing an optically active substance of pyridylalanine is provided.
- the present invention provides a desired optically active form of j8-pyridylalanine having extremely high optical purity by selecting the optical rotation of a rotatory acid from D, L- ⁇ -pyridylalanine according to the above method. It is characterized in that it can be obtained in a yield much higher than the chemical equivalent of D, L- ⁇ -pyridylalanine used in a high yield.
- the strong acid capable of forming an addition salt with D, L- ⁇ -pyridylalanine used in the present invention includes ordinary inorganic acids such as hydrochloric acid and sulfuric acid. preferable.
- the organic base used to dissociate the above-mentioned addition salt of D, L- ⁇ -pyridylalanine with a strong acid includes trimethylamine, triethylamine, pyridine or dimethyl, which are commonly used by those skilled in the art. Triethylamine is preferred from the viewpoint of simplicity of operation such as aminopyridine.
- the amount of the organic base used in the present invention is not particularly limited, but is 1.0 to 1.5 mol based on 1 mol of an addition salt of D, L-j8-pyridylalanine and a strong acid used. A degree is enough.
- the polar solvent used in the present invention includes aliphatic lower alcohols such as methanol, ethanol, n -propyl alcohol, isopropyl alcohol, n-butyl alcohol, isobutyl alcohol and t-butyl alcohol or water, or Protic solvents such as a mixture of alcohols and water as described above are exemplified.
- ethanol is preferred from the viewpoint of the solubility of D, L- ⁇ -pyridylalanine and the yield of a desired optically active substance.
- the L- or (+)-type optical rotatory acid used in the present invention includes L-tartaric acid, L-malic acid, dibenzoyl-L-tartaric acid, L-mandelic acid, (+)-10- Optically rotatory acids such as camphorsulfonic acid and (+)-camphoric acid.
- L-tartaric acid having a power such as yield and optical purity of the obtained optically active substance is particularly preferable.
- the D-type or ( ⁇ )-type optically active acid used in the present invention includes the optical isomers of the above optically active acid, but D-tartaric acid is preferred in view of yield and optical purity. Is particularly preferred.
- the amount of the above-mentioned optically rotating acid used in the present invention is not particularly limited. However, about 1.0 to 1.5 mol is sufficient for 1 mol of D, L-j8-pyridylalanine used.
- salicylaldehyde is particularly preferable in view of the yield in which salicylaldehyde, 3,5-dichlorosalicylaldehyde, benzaldehyde, ⁇ -nitrobenzaldehyde, or the like can be used. Better!/,.
- the amount of the aromatic aldehyde used in the present invention is not particularly limited, but is 0.005 to 0.20 mol, preferably 0.05 to 0.2 mol per mol of D, L-j8-pyridylalanine used. A catalyst amount of about 0.15 mol is sufficient.
- the heating temperature is preferably a temperature between 50 ° C and the boiling point of the solvent.
- the heating time depends on the amount of aromatic aldehyde used, and especially the heating temperature.
- the L- ⁇ -pyridylalanine and the L-type optically active acid may be used in combination.
- a seed crystal of a salt or, in the case of using a D-type optical rotatory acid, a seed crystal of a salt of D- ⁇ -pyridylalanine and a D-type optical rotatory acid can be added.
- the addition of the seed crystal to the reaction system of the seed crystal can promote the precipitation of a desired salt of an optically active ⁇ -pyridylalanine and a rotatory acid.
- the salt of the optically active L- or D- ⁇ -pyridylalanine obtained by the present invention with a rotatory acid can be isolated and purified from the reaction mixture by a conventional method.
- the desired optically active substance having a high optical purity can be obtained in a high yield so that no further purification is required simply by filtering and drying the precipitate after the reaction. It is one of the features.
- the salt of the optically active L- or D- ⁇ -pyridylalanine thus obtained with a rotatory acid may be used, for example, as sodium or potassium hydroxide, carbonate or bicarbonate.
- L- or D- ⁇ -pyridylalanine can be obtained by treatment according to a conventional method such as addition of an aqueous alkaline solution.
- L- ⁇ -pyridylalanine obtained by the method of the present invention is extremely useful as an intermediate in the production of a medicament such as a NOS inhibitor for preventing or treating diseases caused by NO. Useful.
- the optical purity of the i-danied product obtained in the Examples was determined by a chiral HPLC method using a chiral crown pack CR (+) column manufactured by Daiceli Dangaku Kogyo Co., Ltd. (mobile layer: pH 1.0 perchlorine). (Acid aqueous solution).
- the yields shown are calculated based on the expected yield of the substance in each example based on 1 mol of D, L- ⁇ -pyridylalanine or its addition salt with a strong acid. did.
- Infrared absorption measuring device HORIBA FT-720 type S-0555
- L- ⁇ -pyridylalanine L-tartrate from D, L- ⁇ -pyridylalanine dihydrochloride 22.0 g of D, L-j8-pyridylalanine dihydrochloride was suspended in 264 mL of ethanol, and 16.8 g of triethylamine and 13.8 L-tartaric acid were added. g, salicylaldehyde l.lg and L-j8-pyridylalanine L-tartrate (0.022 g) were seeded, heated and stirred under reflux for 3 hours, and allowed to stir until the temperature reached 20 ° C.
- the filtered material was added to a mixed solution of 77 mL each of water and isopropyl alcohol, dissolved by heating at 80 ° C, allowed to cool, stirred at 20 ° C for 1 hour, cooled to 0 to 10 ° C, and then cooled. Stirred at temperature for another hour.
- the suspension is filtered off with suction, washed with 44 ml of precooled 50% aqueous isopropyl alcohol and dried in vacuo at 40 ° C. to give 23.lg of the expected compound with an optical purity of 99.0% in a yield of 91.2%. Obtained.
- the suspension is suction-filtered, and the collected material is washed with 20 mL of 50% aqueous isopropyl alcohol which has been cooled in advance, and vacuum-dried at 40 ° C to obtain 5.4 g of the desired compound having an optical purity of 99.3% in a yield of 86.3%. I got it.
- an undesired optical isomer that accounts for 50% of D, L- ⁇ -pyridylalanine as a waste is converted into a desired optical isomer It is particularly useful in the production of pharmaceuticals because it can be effectively used after being subjected to heterosexual treatment.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyridine Compounds (AREA)
Abstract
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Applications Claiming Priority (2)
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JP2004-130006 | 2004-04-26 | ||
JP2004130006 | 2004-04-26 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012033187A1 (ja) * | 2010-09-09 | 2012-03-15 | 三菱瓦斯化学株式会社 | 光学活性2-アミノ酪酸の製造方法 |
WO2012033188A1 (ja) * | 2010-09-09 | 2012-03-15 | 三菱瓦斯化学株式会社 | 光学活性アミノ酸の製造方法 |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4897801A (ja) * | 1972-02-25 | 1973-12-13 | ||
JPS6323824A (ja) * | 1986-07-14 | 1988-02-01 | メルク エンド カムパニ− インコ−ポレ−テツド | 酸性α−水素を有するアミンの光学分割およびラセミ化方法 |
JPS6429345A (en) * | 1987-07-24 | 1989-01-31 | Tanabe Seiyaku Co | Production of optically active aspartic acid beta-methyl ester salt |
JPH04230368A (ja) * | 1990-07-11 | 1992-08-19 | Bromine Compounds Ltd | L−ヒスチジンからd−ヒスチジン及びその誘導体の調製方法 |
JPH0570415A (ja) * | 1991-01-31 | 1993-03-23 | Hoechst Celanese Corp | α−アミノ酸の光学活性異性体混合物を分割する方法 |
JPH06122686A (ja) * | 1992-10-12 | 1994-05-06 | Fujisawa Pharmaceut Co Ltd | ラセミ体の光学分割法 |
JPH07258215A (ja) * | 1994-03-25 | 1995-10-09 | Eisai Co Ltd | 光学活性な1−(4−クロロピリジン−2−イル)−2−(ピリジン−2−イル)エチルアミンの製造方法 |
JP2000509068A (ja) * | 1996-04-26 | 2000-07-18 | アストラ・アクチエボラーグ | エナンチオマーとして純粋なアゼチジン―2―カルボン酸の改良された製造方法 |
JP2001002641A (ja) * | 1999-06-24 | 2001-01-09 | Daito Chemix Corp | 光学活性3−アミノピロリジン−2−オン誘導体の製造法 |
JP2001120295A (ja) * | 1999-09-08 | 2001-05-08 | Degussa Huels Ag | D−(3’−ピリジル)−アラニンの製法 |
-
2005
- 2005-04-25 WO PCT/JP2005/007824 patent/WO2005103005A1/ja active Application Filing
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4897801A (ja) * | 1972-02-25 | 1973-12-13 | ||
JPS6323824A (ja) * | 1986-07-14 | 1988-02-01 | メルク エンド カムパニ− インコ−ポレ−テツド | 酸性α−水素を有するアミンの光学分割およびラセミ化方法 |
JPS6429345A (en) * | 1987-07-24 | 1989-01-31 | Tanabe Seiyaku Co | Production of optically active aspartic acid beta-methyl ester salt |
JPH04230368A (ja) * | 1990-07-11 | 1992-08-19 | Bromine Compounds Ltd | L−ヒスチジンからd−ヒスチジン及びその誘導体の調製方法 |
JPH0570415A (ja) * | 1991-01-31 | 1993-03-23 | Hoechst Celanese Corp | α−アミノ酸の光学活性異性体混合物を分割する方法 |
JPH06122686A (ja) * | 1992-10-12 | 1994-05-06 | Fujisawa Pharmaceut Co Ltd | ラセミ体の光学分割法 |
JPH07258215A (ja) * | 1994-03-25 | 1995-10-09 | Eisai Co Ltd | 光学活性な1−(4−クロロピリジン−2−イル)−2−(ピリジン−2−イル)エチルアミンの製造方法 |
JP2000509068A (ja) * | 1996-04-26 | 2000-07-18 | アストラ・アクチエボラーグ | エナンチオマーとして純粋なアゼチジン―2―カルボン酸の改良された製造方法 |
JP2001002641A (ja) * | 1999-06-24 | 2001-01-09 | Daito Chemix Corp | 光学活性3−アミノピロリジン−2−オン誘導体の製造法 |
JP2001120295A (ja) * | 1999-09-08 | 2001-05-08 | Degussa Huels Ag | D−(3’−ピリジル)−アラニンの製法 |
Non-Patent Citations (2)
Title |
---|
BOZELL J. ET AL.: "Transition-Metal-Assisted Asymmetric Synthesis of Amino Acid Analogues. A New Synthesis of Optically Pure D- and L-Pyridyalalanines.", J. ORG. CHEM., vol. 56, no. 7, 1991, pages 2584 - 2587, XP002196133 * |
COHEN J. ET AL.: "Stereoselective synthesis of beta-aryl-beta-amino esters.", TETRAHEDRON LETTERS., vol. 43, no. 11, 2002, pages 1977 - 1981, XP004339082 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012033187A1 (ja) * | 2010-09-09 | 2012-03-15 | 三菱瓦斯化学株式会社 | 光学活性2-アミノ酪酸の製造方法 |
WO2012033188A1 (ja) * | 2010-09-09 | 2012-03-15 | 三菱瓦斯化学株式会社 | 光学活性アミノ酸の製造方法 |
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