JP3158507B2 - Method for producing optically active 3-phenyl-3-hydroxypropionate - Google Patents

Method for producing optically active 3-phenyl-3-hydroxypropionate

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Publication number
JP3158507B2
JP3158507B2 JP19355291A JP19355291A JP3158507B2 JP 3158507 B2 JP3158507 B2 JP 3158507B2 JP 19355291 A JP19355291 A JP 19355291A JP 19355291 A JP19355291 A JP 19355291A JP 3158507 B2 JP3158507 B2 JP 3158507B2
Authority
JP
Japan
Prior art keywords
optically active
phenyl
hydroxypropionate
formula
ethyl
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.)
Expired - Fee Related
Application number
JP19355291A
Other languages
Japanese (ja)
Other versions
JPH0641012A (en
Inventor
和利 宮沢
光代 杉浦
靖幸 小泉
尚之 吉田
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JNC Corp
Original Assignee
Chisso Corp
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Priority to JP19355291A priority Critical patent/JP3158507B2/en
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Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/52Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

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  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【産業上の利用分野】本発明は、生理活性化合物を製造
するための出発原料として有用な光学活性3−フェニル
−3−ヒドロキシプロピオン酸エステルの製造方法に関
するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for producing optically active 3-phenyl-3-hydroxypropionate useful as a starting material for producing a physiologically active compound.

【0002】[0002]

【従来の技術】[Prior art]

【0003】[0003]

【化4】 Embedded image

【0004】式(4)で示される光学活性フルオキセチ
ン塩酸塩は、強い抗うつ作用を示すことが知られてい
る。現在フルオキセチン塩酸塩は、ラセミ体で製造さ
れ、用いられているが、その立体配置の違いにより示さ
れる薬理活性に大きな違いがあることが知られている。
そのため実用に際しては、一方の光学活性体のみを用い
ることが好ましい(D.W. Robertson et al., J. Med. C
hem., 31, 1412(1988), 31., 185(1988)) 。
[0004] It is known that the optically active fluoxetine hydrochloride represented by the formula (4) exhibits a strong antidepressant action. At present, fluoxetine hydrochloride is produced and used in a racemic form, but it is known that there is a great difference in pharmacological activity indicated by a difference in its configuration.
Therefore, in practical use, it is preferable to use only one optically active substance (DW Robertson et al., J. Med. C
hem., 31 , 1412 (1988) and 31. , 185 (1988)).

【0005】光学活性フルオキセチン塩酸塩の効率的な
製造方法としては、次の方法が知られている(吉田ら、
特願平2−102811)。
The following method is known as an efficient method for producing optically active fluoxetine hydrochloride (Yoshida et al.,
Japanese Patent Application No. 2-102811).

【0006】[0006]

【化5】 Embedded image

【0007】即ち、光学活性3−フェニル−3−ヒドロ
キシプロピオン酸エチル(3)においてRがエチル基の
ものにメチルアミンを作用させ、アミド(5)としたの
ち、カルボニル基の還元を行いアミン(6)とする。こ
のものにp−トリフルオロメチルクロロベンゼンを作用
させ、トリフルオロ体(7)としたのち、塩化水素ガス
を作用させ、光学活性フルオキセチン塩酸塩(4)が製
造できる。即ち、光学活性3−フェニル−3−ヒドロキ
シプロピオン酸エチルから4段階で光学活性フルオキセ
チン塩酸塩が製造できる効率的な方法である。
That is, methylamine is allowed to act on an optically active ethyl 3-phenyl-3-hydroxypropionate (3) in which R is an ethyl group to form an amide (5). 6). This is reacted with p-trifluoromethylchlorobenzene to form a trifluoro compound (7), and then reacted with hydrogen chloride gas to produce optically active fluoxetine hydrochloride (4). That is, it is an efficient method that can produce optically active fluoxetine hydrochloride in four steps from optically active ethyl 3-phenyl-3-hydroxypropionate.

【0008】以上の様に、光学活性3−フェニル−3−
ヒドロキシプロピオン酸エチル (3)を出発物質に用いる
ことによって光学活性フルオキセチン塩酸塩が効率よく
製造できるが、出発物質の光学活性3−フェニル−3−
ヒドロキシプロピオン酸エステルの製造方法として、現
在知られているいくつかの手法にはそれぞれ問題点があ
る。
As described above, optically active 3-phenyl-3-
Optically active fluoxetine hydrochloride can be efficiently produced by using ethyl hydroxypropionate (3) as a starting material, but the optically active 3-phenyl-3-
Some of the currently known methods for producing hydroxypropionate have problems.

【0009】[0009]

【化6】 Embedded image

【0010】すなわち、ラセミ体の3−フェニル−3−
ヒドロキシプロピオン酸エチルにリパーゼPs(天野製薬
株式会社製)の存在下、カプロン酸ビニルを作用させ、
不斉エステル交換反応を行い光学分割を行っている例が
あるが、ラセミ体を光学分割する場合、得られる光学活
性体の収率は最大でも50%でしかない(特願平2−9500
4 号)。
That is, racemic 3-phenyl-3-
Ethyl hydroxypropionate is reacted with vinyl caproate in the presence of lipase Ps (manufactured by Amano Pharmaceutical Co., Ltd.)
There is an example in which an asymmetric transesterification reaction is performed to perform optical resolution. However, when the racemate is optically resolved, the yield of the obtained optically active substance is only 50% at the maximum (Japanese Patent Application No. 9500/1990).
Issue 4).

【0011】[0011]

【化7】 Embedded image

【0012】また、ベンゾイル酢酸エチルを光学活性ジ
アミンの存在下、不斉還元することによって光学活性体
を得る方法も報告されているが、これは反応温度が−10
0 ℃と厳しい上、不斉収率も44%eeと低く効率的である
とは言えない(向山ら Chem.Lett., 813(1985)) 。
A method for obtaining an optically active substance by asymmetric reduction of ethyl benzoylacetate in the presence of an optically active diamine has also been reported.
The temperature is as severe as 0 ° C. and the asymmetric yield is as low as 44% ee, which is not efficient (Mukayama et al., Chem. Lett., 813 (1985)).

【0013】[0013]

【化8】 Embedded image

【0014】またベンゾイル酢酸エチルをパン酵母で不
斉還元し、光学活性3−フェニル−3−ヒドロキシプロ
ピオン酸エチルを得る方法も報告されているが、基質濃
度が低いうえ、後処理も煩雑で工業的に有利であるとは
言い難い(サンタニエロら、J. Chem. Soc. Perkin Tra
ns.,, 2753 (1989))。この様に従来の製造方法には、
多くの問題点があり、これら問題点を解決した製造方法
が特望されてきた。
A method has also been reported in which ethyl benzoylacetate is asymmetrically reduced with baker's yeast to obtain optically active ethyl 3-phenyl-3-hydroxypropionate. (Santaniello et al., J. Chem. Soc. Perkin Tra)
ns., 1 , 2753 (1989)). Thus, the conventional manufacturing method includes
There are many problems, and a manufacturing method that solves these problems has been desired.

【0015】[0015]

【発明が解決しようとする課題】本発明は、かかる問題
点を解決し、各種生理活性化合物の合成中間体として有
用である光学活性3−フェニル−3−ヒドロキシプロピ
オン酸エステルを効率的に、特に温和な条件で製造する
方法を提供するものである。
DISCLOSURE OF THE INVENTION The present invention solves the above-mentioned problems and efficiently and particularly efficiently converts an optically active 3-phenyl-3-hydroxypropionate ester which is useful as an intermediate for synthesizing various physiologically active compounds. It is intended to provide a method of manufacturing under mild conditions.

【0016】[0016]

【課題を解決するための手段】本発明は、一般式According to the present invention, there is provided a compound represented by the general formula:

【0017】[0017]

【化9】 Embedded image

【0018】(但し上式においてRは炭素数1〜5のア
ルキル基を示す。)で表される化合物を次式
(Wherein R in the above formula represents an alkyl group having 1 to 5 carbon atoms).

【0019】[0019]

【化10】 Embedded image

【0020】(但し上式においてPhはフェニル基を、R'
はメチル基または水素原子を示す。)で表される光学活
性オギザザボロリジンの存在下、還元することを特徴と
する次式
(Where Ph is a phenyl group, R ′
Represents a methyl group or a hydrogen atom. ) Represented by the following formula characterized by reduction in the presence of optically active ogizazaborolidine

【0021】[0021]

【化11】 Embedded image

【0022】(但し上式においてRは炭素数1〜5のア
ルキル基を示す。)で表される光学活性3−フェニル−
3−ヒドロキシプロピオン酸エステルの製造方法であ
る。本発明の反応は、ベンゾイル酢酸エステル(1)、
オギザザボロリジン(2)の混合物に還元剤を加えるこ
とによって行われる。使用するオギザザボロリジン
(2)の添加量はベンゾイル酢酸エステル(1)に対し
0.1 当量以下で充分であり、それ以上、使用することに
よるメリットはない。
(Wherein, R represents an alkyl group having 1 to 5 carbon atoms in the above formula).
This is a method for producing 3-hydroxypropionate. The reaction of the present invention comprises a benzoyl acetate (1),
It is carried out by adding a reducing agent to the mixture of ogizazaborolidine (2). The amount of ogizazaborolidine (2) used is based on benzoyl acetate (1).
0.1 equivalent or less is sufficient, and there is no merit by using more than 0.1 equivalent.

【0023】還元剤としては、ボランが好適であるが、
市販品として入手容易なボランテトラヒドロフラン(BH
3-THF)錯体を使用して何ら問題はない。反応温度は室温
近傍、すなわち5℃ないしは35℃で充分であり、この条
件での反応時間は、1分ないしは1時間である。使用す
る溶媒は非水溶媒が好適であるが、好ましくはテトラヒ
ドロフランである。
As the reducing agent, borane is preferable.
Borane tetrahydrofuran (BH, easily available as a commercial product)
There is no problem using 3 -THF) complex. The reaction temperature is close to room temperature, that is, 5 ° C. to 35 ° C., and the reaction time under these conditions is 1 minute to 1 hour. The solvent used is preferably a non-aqueous solvent, but is preferably tetrahydrofuran.

【0024】また反応の後処理は、次の様に簡単に行わ
れる。すなわち、反応終了後、メタノール、水を順次加
えたのち、塩酸酸性とし、ジエチルエーテル、トルエ
ン、酢酸エチルなどの有機溶媒で抽出したのち、溶媒を
留去し、残基を減圧蒸留またはカラムクロマトグラフィ
ーに付し、目的物である光学活性3−フェニル−3−ヒ
ドロキシプロピオン酸エステルが得られる。更に光学活
性3−フェニル−3−ヒドロキシプロピオン酸エステル
)の両鏡像体の作り分けは、使用するオギザザボロ
リジン(2)を選択することにより任意に行える。即
ち、立体配置がS−配置であるオギザザボロリジン
(2)を用いることによってR体のエステル(3)を、
R−配置の(2)を用いることによってS体のエステル
(3)を製造することができる。
The post-treatment of the reaction is carried out simply as follows. That is, after completion of the reaction, methanol and water are sequentially added, acidified with hydrochloric acid, extracted with an organic solvent such as diethyl ether, toluene, and ethyl acetate, and then the solvent is distilled off. To give the desired optically active 3-phenyl-3-hydroxypropionic acid ester. Furthermore, the two enantiomers of the optically active 3-phenyl-3-hydroxypropionic acid ester ( 3 ) can be arbitrarily prepared by selecting ogizazaborolidine (2) to be used. That is, by using ogizazaborolidine (2) having an S-configuration, an R-form ester (3) can be obtained by
The S-form ester (3) can be produced by using the R-configuration (2).

【0025】また、本発明に用いるベンゾイル酢酸エス
テル(1)は、種々の方法によって製造できるが、次に
示す方法が効率的に最も有利であると思われる。
The benzoyl acetic acid ester (1) used in the present invention can be produced by various methods, but the following method seems to be the most advantageous in terms of efficiency.

【0026】[0026]

【化12】 Embedded image

【0027】即ち、アセトフェノン(8)に塩基性条件
下、炭酸エステルを作用させベンゾイル酢酸エステル
(1)が収率よく製造できる。また本発明で使用するオ
ギザザボロリジン(2)は既に知られており、EP3051
80 (1989, 3. 1) にその記述がある。明細書中には、プ
ロキラルケトンをオギザザボロリジン(2)の存在下、
不斉還元し、光学活性アルコールを製造する方法が記載
されているが、プロキラルケトンとして好ましいと述べ
られているアリールアルキルケトンは、アセトフェノ
ン、プロピオフェノン、クロロアセトフェノン、2−ア
セチル−6−メトキシナフタレンの4種のみであり、ア
リールアルキルケトンのアルキル基中にエステル基が含
まれているプロキラルアリールアルキルケトンについて
の記述は一切ない。
That is, a carbonate ester is allowed to act on acetophenone (8) under basic conditions to produce benzoyl acetate (1) in good yield. Ogizazaborolidine (2) used in the present invention is already known, and is disclosed in EP3051.
80 (1989, 3.1). In the description, a prochiral ketone is prepared in the presence of ogizazaborolidine (2).
Although a method for producing an optically active alcohol by asymmetric reduction is described, arylalkyl ketones described as preferred as prochiral ketones include acetophenone, propiophenone, chloroacetophenone, 2-acetyl-6-methoxy. There is no description of prochiral arylalkyl ketones, which are only four types of naphthalenes and have an ester group in the alkyl group of the arylalkyl ketone.

【0028】更に、この光学活性オギザザボロリジン
(2)は、入手容易なプロリン(9)から容易に製造さ
れる。
Further, the optically active ozizaborolidine (2) is easily produced from proline (9) which is easily available.

【0029】[0029]

【化13】 Embedded image

【0030】即ち、光学活性なプロリン(9)から既知
の方法によって製造されるα,α−ジフェニル−2−ピ
ロリジンメタノール(10)にボランを作用させることに
よって R' が水素原子のものが、また、ホウ酸メチルを
作用させることによって R’がメチル基であるものが製
造できる。α,α−ジフェニル−2−ピロリジンメタノ
ール(10) は、市販されているが、文献既知の方法によ
って両鏡像体とも容易に製造できる(プールターら、J.
Chem. Soc., Perkin Trans., (1985) 、コーリー
ら、J. Am. chem. Soc., 109, 7925(1987)) 。
That is, when R ′ is a hydrogen atom by reacting borane with α, α-diphenyl-2-pyrrolidinemethanol (10) produced from an optically active proline (9) by a known method, By reacting with methyl borate, those in which R ′ is a methyl group can be produced. α, α-Diphenyl-2-pyrrolidinemethanol (10) is commercially available, but both enantiomers can be easily prepared by methods known in the literature (Poulter et al., J. Am.
Chem. Soc., Perkin Trans., 2 (1985), Corey et al., J. Am. Chem. Soc., 109 , 7925 (1987)).

【0031】[0031]

【発明の効果】本発明における製造方法の効果を次に列
記する。 (1)ラセミ体を光学分割する方法ではないので、100 %
の理論収率で製造ができる。 (2)室温反応で製造が行える。 (3)反応における基質濃度が高い。
The effects of the manufacturing method of the present invention are listed below. (1) 100% because it is not a method of optically resolving racemate
Can be produced with the theoretical yield of (2) Production can be performed by a room temperature reaction. (3) The substrate concentration in the reaction is high.

【0032】[0032]

【実施例】以下、実施例によって本発明をより具体的に
説明する。 実施例1 光学活性3−フェニル−3−ヒドロキシプロピオン酸エ
チル((3)式において、Rがエチル基であるもの)の
製造 ベンゾイル酢酸エチル 13.9g (72ミリモル) 、(S)−
テトラヒドロ−1−メチル−3,3−ジフェニル−1
H,3H−ピローロ−〔1,2−C〕〔1,3,2〕オ
ギザザボロール 0.1g (3.6ミリモル) 、テトラヒドロフ
ラン 40ml の混合物に室温でボラン−THF 錯体(1.0M TH
F 溶液)43mlを滴下したのち同温度で20分攪拌した。
The present invention will be described more specifically with reference to the following examples. Example 1 Production of optically active ethyl 3-phenyl-3-hydroxypropionate (in the formula (3), R is an ethyl group) Ethyl benzoylacetate 13.9 g (72 mmol), (S)-
Tetrahydro-1-methyl-3,3-diphenyl-1
A mixture of 0.1 g (3.6 mmol) of H, 3H-pyrrolo- [1,2-C] [1,3,2] ogizazabolol and 40 ml of tetrahydrofuran was added at room temperature to a borane-THF complex (1.0 M TH
F solution) (43 ml) was added dropwise, and the mixture was stirred at the same temperature for 20 minutes.

【0033】氷浴で10℃以下に冷却したのち、メタノー
ル12ml (0.29モル) 、水10mlを加え攪拌し、さらに塩酸
酸性とした。酢酸エチルで抽出したのち、無水硫酸マグ
ネシウム上で乾燥し、さらに溶媒を留去し、残渣として
油状の粗製物を得た。この粗製物をシリカゲルカラムク
ロマトグラフィー (溶出液;トルエン:酢酸エチル=
9:1)に付し、R−3−フェニル−3−ヒドロキシプ
ロピオン酸エチル 7.0g(51%)を得た。
After cooling to 10 ° C. or less in an ice bath, 12 ml (0.29 mol) of methanol and 10 ml of water were added, and the mixture was stirred and further acidified with hydrochloric acid. After extraction with ethyl acetate, it was dried over anhydrous magnesium sulfate, and the solvent was distilled off to obtain an oily crude product as a residue. This crude product was subjected to silica gel column chromatography (eluent; toluene: ethyl acetate =
9: 1) to give 7.0 g (51%) of ethyl R-3-phenyl-3-hydroxypropionate.

【0034】1H-NMR(90MHz, CDCl3)δ: 7.34(s, 5H),
5.21-5.04(m, 1H), 4.18(q, 2H), 3.28(d, 1H),2.73(d,
2H), 1.26(t, 3H) 。 得られたR−3−フェニル−3−ヒドロキシプロピオン
酸エチルを特願平1−176580号の方法に従い、光学分割
カラム スミキラルOA−3,000 を用い光学純度を測定し
たところ、88%eeであると決定された。
1 H-NMR (90 MHz, CDCl 3 ) δ: 7.34 (s, 5H),
5.21-5.04 (m, 1H), 4.18 (q, 2H), 3.28 (d, 1H), 2.73 (d,
2H), 1.26 (t, 3H). When the optical purity of the obtained ethyl R-3-phenyl-3-hydroxypropionate was measured using an optical resolution column Sumichiral OA-3,000 according to the method of Japanese Patent Application No. 1-176580, it was determined to be 88% ee. Was done.

───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平4−5268(JP,A) 特開 昭61−155354(JP,A) 特開 平3−236785(JP,A) 欧州特許出願公開380924(EP,A 1) 欧州特許出願公開305180(EP,A 2) Tetrahedron Lette rs,1989,Vol.30,No.39, p.5207−5210 (58)調査した分野(Int.Cl.7,DB名) C07C 69/732 C07C 67/31 - 67/317 CA(STN) REGISTRY(STN)────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-4-5268 (JP, A) JP-A-61-155354 (JP, A) JP-A-3-236785 (JP, A) European Patent Application Publication 380924 (EP, A1) European Patent Application Publication 305180 (EP, A2) Tetrahedron Letters, 1989, Vol. 30, No. 39, p. 5207-5210 (58) Fields investigated (Int. Cl. 7 , DB name) C07C 69/732 C07C 67/31-67/317 CA (STN) REGISTRY (STN)

Claims (1)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 一般式 【化1】 (但し上式において Rは炭素数1〜5のアルキル基を示
す。)で表される化合物を次式 【化2】 (但し上式においてPhはフェニル基を、R'はメチル基ま
たは水素原子を示す。)で表される光学活性オギザザボ
ロリジンの存在下、還元することを特徴とする次式 【化3】 (但し上式において Rは炭素数1〜5のアルキル基を示
す。)で表される光学活性3−フェニル−3−ヒドロキ
シプロピオン酸エステルの製造方法。
1. A compound of the general formula (However, in the above formula, R represents an alkyl group having 1 to 5 carbon atoms.) A compound represented by the following formula: (Where Ph represents a phenyl group and R ′ represents a methyl group or a hydrogen atom). The following formula, characterized in that the compound is reduced in the presence of an optically active ozizaborolidine represented by the formula: (However, in the above formula, R represents an alkyl group having 1 to 5 carbon atoms.) A method for producing an optically active 3-phenyl-3-hydroxypropionic acid ester represented by the formula:
JP19355291A 1991-07-09 1991-07-09 Method for producing optically active 3-phenyl-3-hydroxypropionate Expired - Fee Related JP3158507B2 (en)

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JP3803126B2 (en) * 1995-10-31 2006-08-02 第一アスビオファーマ株式会社 Method for producing optically active trans vinyl sulfide alcohol
DE60309847T2 (en) * 2002-02-27 2007-10-18 Ferring B.V. INTERMEDIATE PRODUCTS AND METHOD FOR THE PRODUCTION OF HEPTAPEPTIDE OXYTOCINANALOGA
WO2006027856A1 (en) * 2004-09-10 2006-03-16 San-Ei Gen F.F.I., Inc. Processes for production of wine lactone and its intermediates and application of the lactone
WO2016133020A1 (en) * 2015-02-16 2016-08-25 日産化学工業株式会社 Method for producing optically active allyl alcohol compound

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Title
Tetrahedron Letters,1989,Vol.30,No.39,p.5207−5210

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