JP2595094B2 - Method for producing ω-hydroxy- (ω-3) -keto fatty acid - Google Patents

Method for producing ω-hydroxy- (ω-3) -keto fatty acid

Info

Publication number
JP2595094B2
JP2595094B2 JP1142103A JP14210389A JP2595094B2 JP 2595094 B2 JP2595094 B2 JP 2595094B2 JP 1142103 A JP1142103 A JP 1142103A JP 14210389 A JP14210389 A JP 14210389A JP 2595094 B2 JP2595094 B2 JP 2595094B2
Authority
JP
Japan
Prior art keywords
hydroxy
fatty acid
butyrolactone
mmol
reaction
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
JP1142103A
Other languages
Japanese (ja)
Other versions
JPH0311036A (en
Inventor
浩 吉田
登 掛谷
正徳 柏木
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Soda Aromatic Co Ltd
Ube Corp
Original Assignee
Soda Aromatic Co Ltd
Ube Industries Ltd
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Filing date
Publication date
Application filed by Soda Aromatic Co Ltd, Ube Industries Ltd filed Critical Soda Aromatic Co Ltd
Priority to JP1142103A priority Critical patent/JP2595094B2/en
Publication of JPH0311036A publication Critical patent/JPH0311036A/en
Application granted granted Critical
Publication of JP2595094B2 publication Critical patent/JP2595094B2/en
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Expired - Fee Related legal-status Critical Current

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    • 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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  • 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】 (産業上の利用分野) 本発明は、各種合成原料ないし中間体として有用であ
り、特に香料工業分野において、大環状ラクトン系香料
の重要中間体である、ω−ヒドロキシ脂肪酸の製造にお
ける前駆体としてのω−ヒドロキシ−(ω−3)−ケト
脂肪酸の新規な製法に関する。
DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention is useful as various synthetic raw materials or intermediates, and particularly, in the perfumery industry, ω-hydroxy, which is an important intermediate of macrocyclic lactone-based perfume. It relates to a novel process for the preparation of ω-hydroxy- (ω-3) -keto fatty acids as precursors in the production of fatty acids.

(従来の技術) ω−ヒドロキシ−(ω−3)−ケト脂肪酸の製法とし
ては、例えばカナダ特許1221105号には、12−ケトペン
タデカノリドを水酸化カリウム水溶液中で加水分解する
ことにより、15−ヒドロキシ−12−ケトペンタデカン酸
が88%の収率で得られることが記載されている。
(Prior Art) As a method for producing ω-hydroxy- (ω-3) -keto fatty acid, for example, in Canadian Patent No. 1221105, 12-ketopentadecanolide is hydrolyzed in an aqueous potassium hydroxide solution. It is stated that 15-hydroxy-12-ketopentadecanoic acid is obtained in a yield of 88%.

しかし、この方法は香料の1種である大環状ケトラク
トンを加水分解するものであり、大環状ラクトンの工業
的製法を開発する観点からは何ら利点のあるものではな
い。
However, this method hydrolyzes macrocyclic ketolactone, which is a kind of fragrance, and has no advantage from the viewpoint of developing an industrial production method of macrocyclic lactone.

また従来、大環状ラクトン系香料の重要中間体である
ω−ヒドロキシ脂肪酸の製造に関しては多くの方法が知
られている。その代表的なものは、奥田治著「香料化学
総覧2」、広川書店発行、1211頁、同著「香料化学総覧
3」、同書店発行、172〜174頁及び176〜177頁に紹介さ
れている。
Conventionally, many methods have been known for producing ω-hydroxy fatty acids, which are important intermediates of macrocyclic lactone-based fragrances. The representative ones are introduced in Oka Osamu's "Perfume Chemistry Directory 2", published by Hirokawa Shoten, p.1211, and in the same book "Perfume Chemistry Directory 3", published by the same bookstore, pages 172-174 and 176-177. I have.

それらの従来法は多工程かつ操作煩雑であり、高価な
試薬あるいは取扱いに危険を伴う試薬の利用が要求され
ることが多く、しかも収率が悪いなど、いくつかの欠点
を持つものである。
These conventional methods have many drawbacks, such as multiple steps and complicated operation, the use of expensive reagents or reagents that are dangerous for handling, and the poor yield.

(発明が解決しようとする課題) 本発明者らは、上述の如き従来法の欠点を解消しうる
ω−ヒドロキシ−(ω−3)−ケト脂肪酸の製法を提供
すべき検討を行ってきた。
(Problems to be Solved by the Invention) The present inventors have studied to provide a method for producing ω-hydroxy- (ω-3) -keto fatty acid which can solve the above-mentioned disadvantages of the conventional method.

その結果、ω−シアノ脂肪酸エステル[III] NC−(CH2−COOR [III] (式中、Rは炭素数1〜4のアルキル基を表し、nは7
〜11の整数を表す) と、γ−ブチロラクトンとを、 アルカリ金属アルコラート[IV] R′OM [IV] (式中、R′は炭素数1〜4のアルキル基を表し、Mは
アルカリ金属を表す) の存在下に反応させることにより、 α−(ω−シアノアルカノイル)−γ−ブチロラクトン
[I] (式中、nは上記の意味を表す) が高収率で容易に得られることを見い出した。
As a result, ω-cyano fatty acid ester [III] NC- (CH 2 ) n -COOR [III] (wherein R represents an alkyl group having 1 to 4 carbon atoms, and n represents 7
And γ-butyrolactone with an alkali metal alcoholate [IV] R′OM [IV] (wherein R ′ represents an alkyl group having 1 to 4 carbon atoms, and M represents an alkali metal) In the presence of α- (ω-cyanoalkanoyl) -γ-butyrolactone [I] (Wherein n represents the above meaning) was found to be easily obtained in high yield.

そこで、本発明は、上記の如き従来法の欠点を解消で
きるような、ω−ヒドロキシ脂肪酸の製造における前駆
体としてのω−ヒドロキシ−(ω−3)−ケト脂肪酸
の、工業的に有利な新規製法を提供することを目的とす
る。
Therefore, the present invention provides an industrially advantageous novel ω-hydroxy- (ω-3) -keto fatty acid as a precursor in the production of ω-hydroxy fatty acid, which can solve the above-mentioned disadvantages of the conventional method. The purpose is to provide a manufacturing method.

(課題を解決するための手段) 本発明者らは、上記α−(ω−シアノアルカノイル)
−γ−ブチロラクトン[I]から、下記に示す工程によ
り、ω−ヒドロキシ−(ω−3)−ケト脂肪酸[II]が
容易かつ高収率で誘導されることを見い出し、本発明を
完成した。
(Means for Solving the Problems) The present inventors have proposed the above α- (ω-cyanoalkanoyl)
The inventors have found that ω-hydroxy- (ω-3) -keto fatty acid [II] can be easily and highly yielded from -γ-butyrolactone [I] by the following steps, and have completed the present invention.

そして、本発明者らは、本発明の製法によって得られ
るω−ヒドロキシ−(ω−3)−ケト脂肪酸[II]は、
次式に示す還元により容易に、大環状ラクトン系香料の
重要中間体である、ω−ヒドロキシ脂肪酸[V]に誘導
されることも見い出した。
The present inventors have found that the ω-hydroxy- (ω-3) -keto fatty acid [II] obtained by the production method of the present invention
It has also been found that ω-hydroxy fatty acid [V], which is an important intermediate of the macrocyclic lactone-based fragrance, is easily derived by the reduction represented by the following formula.

即ち、本発明は、一般式 (式中、nは7〜11の整数を表す) で示されるα−(ω−シアノアルカノイル)−γ−ブチ
ロラクトンを、アルカリ金属水酸化物の存在下、水溶媒
中又は水溶性有機溶媒−水の混合溶媒中で反応させるこ
とを特徴とする 一般式 HOOC−(CH2−CO−(CH2−OH [II] (式中、nは上記と同じ意味を表す) で示されるω−ヒドロキシ−(ω−3)−ケト脂肪酸の
製法に関する。
That is, the present invention relates to the general formula (In the formula, n represents an integer of 7 to 11) α- (ω-cyanoalkanoyl) -γ-butyrolactone in an aqueous solvent or a water-soluble organic solvent-water in the presence of an alkali metal hydroxide. the formula which comprises reacting in a mixed solvent of HOOC- (CH 2) n -CO- ( CH 2) 3 -OH [II] ( wherein, n represents the same meaning as above) The present invention relates to a method for producing ω-hydroxy- (ω-3) -keto fatty acid.

α−(ω−シアノアルカノイル)−γ−ブチロラクト
ン[I]は、アルカリ金属水酸化物の水溶液中又は水溶
性有機溶媒−水混合溶液中で加熱することにより、その
−CN基は−COOH基に加水分解され、そしてそのラクトン
部位は−(CH2−OH基に加水分解脱炭酸され、90%
以上の高収率でω−ヒドロキシ−(ω−3)−ケト脂肪
酸[II]になる。
α- (ω-cyanoalkanoyl) -γ-butyrolactone [I] is converted into an —COOH group by heating in an aqueous solution of an alkali metal hydroxide or in a mixed solution of a water-soluble organic solvent and water. hydrolyzed, and its lactone moiety - (CH 2) is hydrolyzed decarboxylation 3 -OH group, 90%
Ω-Hydroxy- (ω-3) -keto fatty acid [II] is obtained in the above high yield.

以上のようにして、本発明の製法により製造されたω
−ヒドロキシ−(ω−3)−ケト脂肪酸[II]は、常法
のクレメンゼン還元あるいは、ウォルフ−キシュナー還
元により、式[II]の−CO−基は−CH2−基に還元さ
れ、ω−ヒドロキシ脂肪酸[V]に誘導される。
As described above, ω produced by the production method of the present invention
-Hydroxy- (ω-3) -keto fatty acid [II] is obtained by reducing the -CO- group of the formula [II] to a -CH 2- group by a conventional method of Clementen reduction or Wolf-Kishner reduction. Derived to hydroxy fatty acids [V].

α−(ω−シアノアルカノイル)−γ−ブチロラクト
ン[I]の具体例としては、α−(8−シアノオクタノ
イル)−γ−ブチロラクトン、α−(9−シアノノナノ
イル)−γ−ブチロラクトン、α−(10−シアノデカノ
イル)−γ−ブチロラクトン、α−(11−シアノウンデ
カノイル)−γ−ブチロラクトン、α−(12−ドデカノ
イル)−γ−ブチロラクトンなどを挙げることができ
る。
Specific examples of α- (ω-cyanoalkanoyl) -γ-butyrolactone [I] include α- (8-cyanooctanoyl) -γ-butyrolactone, α- (9-cyano nonanoyl) -γ-butyrolactone, α- ( Examples thereof include 10-cyanodecanoyl) -γ-butyrolactone, α- (11-cyanoundecanoyl) -γ-butyrolactone, and α- (12-dodecanoyl) -γ-butyrolactone.

アルカリ金属水酸化物の具体例としては、水酸化リチ
ウム、水酸化ナトリウム、水酸化カリウムなどを挙げる
ことができるが、水酸化ナトリウム、水酸化カリウムの
使用が好ましい。アルカリ金属水酸化物の使用量は、α
−(ω−シアノアルカノイル)−γ−ブチロラクトン
[I]1モルに対して2〜20モル、好ましくは3〜15モ
ルの範囲で用いられる。このアルカリ金属水酸化物の使
用量が、下限値未満の場合は反応が十分に進行せず、原
料ラクトンが未反応として残るし、又上限値を超える場
合は副生成物が増え収率が低下するので、いずれも好ま
しくない。
Specific examples of the alkali metal hydroxide include lithium hydroxide, sodium hydroxide, potassium hydroxide and the like, and the use of sodium hydroxide and potassium hydroxide is preferred. The amount of alkali metal hydroxide used is α
-(Ω-cyanoalkanoyl) -γ-butyrolactone [I] is used in an amount of 2 to 20 mol, preferably 3 to 15 mol, per 1 mol. If the amount of the alkali metal hydroxide used is less than the lower limit, the reaction does not proceed sufficiently and the raw material lactone remains unreacted, and if it exceeds the upper limit, by-products increase and the yield decreases. Are not preferred.

反応溶媒の水の使用量はアルカリ金属水酸化物1重量
部に対して、3〜20重量部の範囲が好ましい。
The amount of water used as the reaction solvent is preferably in the range of 3 to 20 parts by weight per 1 part by weight of the alkali metal hydroxide.

ところで、本発明の製法においては、アルカリ金属水
酸化物水溶液中の反応では、反応が進行するにつれて、
油状の原料ラクトンが消失して均一水溶液になる。
By the way, in the production method of the present invention, in the reaction in the aqueous alkali metal hydroxide solution, as the reaction proceeds,
The oily lactone disappears to form a homogeneous aqueous solution.

したがって、原料ラクトンの溶解性を増し、反応を速
やかに進行させるためには、水溶性有機溶媒を添加する
ことが好ましい。水溶性有機溶媒としては、アルカリ金
属水酸化物水溶液中で安定であり、反応に関与しないも
のが選択されることが望ましい。その具体例としては、
メタノール、エタノール、メチルセロソルブ、エチルセ
ロソルブ、ジエチレングリコール、トリエチレングリコ
ール、ジグライム、ジオキサン、テトラヒドロフラン、
1,2−ジメトキシエタンなどが挙げられる。これら水溶
性有機溶媒の使用量は水1重量部に対して0.05〜3重量
部の範囲であることが好ましい。
Therefore, it is preferable to add a water-soluble organic solvent in order to increase the solubility of the raw material lactone and promptly proceed the reaction. As the water-soluble organic solvent, one that is stable in the aqueous alkali metal hydroxide solution and does not participate in the reaction is desirably selected. As a specific example,
Methanol, ethanol, methyl cellosolve, ethyl cellosolve, diethylene glycol, triethylene glycol, diglyme, dioxane, tetrahydrofuran,
1,2-dimethoxyethane and the like. The use amount of these water-soluble organic solvents is preferably in the range of 0.05 to 3 parts by weight per 1 part by weight of water.

反応温度は室温〜130℃、好ましくは60〜110℃の範囲
である。
The reaction temperature ranges from room temperature to 130 ° C, preferably from 60 to 110 ° C.

また、反応は大気圧条件下でも10kg/cm2以下の加圧条
件下でも行うことができる。
Further, the reaction can be carried out under atmospheric pressure conditions or a pressurized condition of 10 kg / cm 2 or less.

反応時間は、反応温度、仕込み原料等によって適宜選
択されるが、一般的に1〜20時間程度である。
The reaction time is appropriately selected depending on the reaction temperature, the charged raw materials and the like, but is generally about 1 to 20 hours.

反応はバッチ式、連続式のいずれでも行うことができ
る。
The reaction can be performed either in a batch system or a continuous system.

反応生成物の単離・精製は、中和、抽出、濃縮、再結
晶等のそれ自体公知の単位操作により行うことができ
る。
Isolation and purification of the reaction product can be performed by a unit operation known per se, such as neutralization, extraction, concentration, and recrystallization.

(発明の効果) α−(ω−シアノアルカノイル)−γ−ブチロラクト
ン[I]を利用すれば、きわめて容易、かつ、好収率で
ω−ヒドロキシ−(ω−3)−ケト脂肪酸[II]を得る
ことができ、このω−ヒドロキシ−(ω−3)−ケト脂
肪酸[II]を中間生成物とする、従来法に比べて格段に
短縮された工程により、安価かつ入手容易な原料から簡
単な操作で大環状ラクトン系香料の重要中間体であるω
−ヒドロキシ脂肪酸[V]が高収率で製造できることに
なる。
(Effect of the Invention) If α- (ω-cyanoalkanoyl) -γ-butyrolactone [I] is used, ω-hydroxy- (ω-3) -keto fatty acid [II] can be produced very easily and in good yield. The ω-hydroxy- (ω-3) -keto fatty acid [II] is used as an intermediate product, and the process is significantly shortened as compared with the conventional method. Ω is an important intermediate of macrocyclic lactone fragrance
-Hydroxy fatty acid [V] can be produced in high yield.

(実施例) 以下、実施例により本発明を具体的に説明する。(Examples) Hereinafter, the present invention will be described specifically with reference to examples.

実施例1 α−(11−シアノウンデカノイル)−γ−ブチロラク
トン0.279g(1.00ミリモル)、85%水酸化カリウム0.68
g(10.3ミリモル)および水5.66gを仕込み、10時間加熱
還流した。反応終了後冷却し、4N−HCl 5mlを加え酸性
にした後、塩化メチレン70mlで1回、20mlで2回抽出し
た。その塩化メチレン溶液を硫酸ナトリウムで乾燥後、
濃縮乾固し白色固体を得た。得られた白色固体をn−ヘ
キサン/酢酸エチル[1/1(容量比)]を展開溶媒と
し、シリカゲルカラムを用いて精製し、0.254g(0.933
ミリモル、収率93%)の白色固体を得た。
Example 1 0.279 g (1.00 mmol) of α- (11-cyanoundecanoyl) -γ-butyrolactone, 0.68 of 85% potassium hydroxide
g (10.3 mmol) and 5.66 g of water were heated and refluxed for 10 hours. After completion of the reaction, the reaction mixture was cooled, acidified by adding 5 ml of 4N-HCl, and extracted once with 70 ml of methylene chloride and twice with 20 ml. After drying the methylene chloride solution with sodium sulfate,
Concentrated to dryness to obtain a white solid. The obtained white solid was purified using a silica gel column with n-hexane / ethyl acetate [1/1 (volume ratio)] as a developing solvent to obtain 0.254 g (0.933 g).
(Mmol, 93% yield).

この白色固体を分析した結果は、以下のとおりであっ
た。
The result of analyzing this white solid was as follows.

(1)m.p. 74〜76℃ (2)元素分析(C15H28O4として) C H 計算値(%) 66.14 10.36 実測値(%) 66.16 10.47 (3)IR(KBr、cm-1) 3250、2920、2850、1700 (4)MS(m/e、CI) 255(M+−17) (5)1H−NMR(CDCl3、δ(ppm)) 1.18〜1.38(12H,ブロード), 1.56〜1.65(4H,m),1.78〜1.89(2H,ブロード), 2.33〜2.36(4H,m),2.44〜2.57(2H,ブロード), 3.60〜3.70(2H,ブロード) 上記の分析値から生成物が15−ヒドロキシ−12−ケト
ペンタデカン酸であることを確認した。
(1) mp 74 to 76 ° C. (2) Elemental analysis (as C 15 H 28 O 4 ) Calculated CH (%) 66.14 10.36 Actual (%) 66.16 10.47 (3) IR (KBr, cm −1 ) 3250 , 2920, 2850, 1700 (4) MS (m / e, CI) 255 (M + -17) (5) 1 H-NMR (CDCl 3 , δ (ppm)) 1.18 to 1.38 (12H, broad), 1.56 ~ 1.65 (4H, m), 1.78 ~ 1.89 (2H, broad), 2.33 ~ 2.36 (4H, m), 2.44 ~ 2.57 (2H, broad), 3.60 ~ 3.70 (2H, broad) Is 15-hydroxy-12-ketopentadecanoic acid.

実施例2 α−(11−シアノウンデカノイル)−γ−ブチロラク
トン0.286g(1.02ミリモル)、95%水酸化ナトリウム0.
41g(9.74ミリモル)および水5.57gを仕込み10時間加熱
還流した。反応終了後冷却し、4N−HCl 5ml加え酸性に
した後、塩化メチレン70mlで1回、20mlで2回抽出し
た。その塩化メチレン溶液中の生成物15−ヒドロキシ−
12−ケトペンタデカン酸をガスクロマトグラフィーを用
いて内部標準法で定量した。その結果、生成した15−ヒ
ドロキシ−12−ケトペンタデカン酸は、0.253g(0.929
ミリモル、収率91%)であった。
Example 2 0.286 g (1.02 mmol) of α- (11-cyanoundecanoyl) -γ-butyrolactone, 0.9% of 95% sodium hydroxide.
41 g (9.74 mmol) and 5.57 g of water were charged and heated under reflux for 10 hours. After completion of the reaction, the reaction solution was cooled, acidified by adding 4 ml of 4N-HCl, and extracted once with 70 ml of methylene chloride and twice with 20 ml. The product 15-hydroxy- in methylene chloride solution
12-Ketopentadecanoic acid was quantified by internal standard method using gas chromatography. As a result, the produced 15-hydroxy-12-ketopentadecanoic acid was 0.253 g (0.929 g).
Mmol, 91% yield).

実施例3 α−(11−シアノウンデカノイル)−γ−ブチロラク
トン0.324g(1.16ミリモル)、85%水酸化カリウム0.85
g(12.9ミリモル)および水2.59gを仕込み、20時間加熱
還流した。反応終了後冷却し、1N−HCl 20mlを加え酸
性にした後、クロロホルム30mlで4回抽出した。得られ
たクロロホルム溶液中の生成物15−ヒドロキシ−12−ケ
トペンタデカン酸をガスクロマトグラフィーを用いて内
部標準法で定量した結果、0.284g(1.04ミリモル、収率
90%)の15−ヒドロキシ−12−ケトペンタデカン酸が得
られたことが判った。
Example 3 0.324 g (1.16 mmol) of α- (11-cyanoundecanoyl) -γ-butyrolactone, 0.85 of 85% potassium hydroxide
g (12.9 mmol) and 2.59 g of water were charged and heated under reflux for 20 hours. After the reaction was completed, the reaction mixture was cooled, acidified with 1N-HCl (20 ml), and extracted four times with chloroform (30 ml). As a result of quantifying the product 15-hydroxy-12-ketopentadecanoic acid in the obtained chloroform solution by gas chromatography using an internal standard method, 0.284 g (1.04 mmol, yield) was obtained.
90%) of 15-hydroxy-12-ketopentadecanoic acid.

実施例4 α−(11−シアノウンデカノイル)−γ−ブチロラク
トン0.390g(1.40ミリモル)、85%水酸化カリウム0.77
g(11.7ミリモル)、水1.40gおよびメタノール1.41gを
仕込み、5時間加熱還流した。反応終了後冷却し、1N−
HCl 15mlを加え酸性にした後、塩化メチレン30mlで3
回抽出した。その塩化メチレン溶液中の生成物15−ヒド
ロキシ−12−ケトペンタデカン酸をガスクロマトグラフ
ィーを用いて内部標準法で定量した。その結果、生成し
た15−ヒドロキシ−12−ケトペンタデカン酸は、0.365g
(1.34ミリモル、収率96%)であった。
Example 4 0.390 g (1.40 mmol) of α- (11-cyanoundecanoyl) -γ-butyrolactone, 0.77 of 85% potassium hydroxide
g (11.7 mmol), 1.40 g of water and 1.41 g of methanol were charged and heated under reflux for 5 hours. After the reaction, cool down and
After adding 15 ml of HCl to make it acidic, 30 ml of methylene chloride is
Extracted times. The product 15-hydroxy-12-ketopentadecanoic acid in the methylene chloride solution was quantified by an internal standard method using gas chromatography. As a result, the formed 15-hydroxy-12-ketopentadecanoic acid was 0.365 g.
(1.34 mmol, 96% yield).

実施例5 α−(11−シアノウンデカノイル)−γ−ブチロラク
トン0.285g(1.02ミリモル)、85%水酸化カリウム0.35
g(5.3ミリモル)、水0.84gおよびジエチレングリコー
ル0.45gを仕込み、5時間加熱還流した。反応終了後冷
却し、1N−HCl10mlを加え酸性にした後、クロロホルム3
0mlで3回抽出した。得られたクロロホルム溶液中の生
成物15−ヒドロキシ−12−ケトペンタデカン酸をガスク
ロマトグラフィーを用いて内部標準法で定量した。その
結果、生成した15−ヒドロキシ−12−ケトペンタデカン
酸は、0.249g(0.915ミリモル、収率90%)であった。
Example 5 0.285 g (1.02 mmol) of α- (11-cyanoundecanoyl) -γ-butyrolactone, 0.35 of 85% potassium hydroxide
g (5.3 mmol), 0.84 g of water and 0.45 g of diethylene glycol were charged and heated under reflux for 5 hours. After completion of the reaction, the mixture was cooled, acidified by adding 1N-HCl (10 ml), and chloroform 3
Extracted three times with 0 ml. The product 15-hydroxy-12-ketopentadecanoic acid in the obtained chloroform solution was quantified by an internal standard method using gas chromatography. As a result, the amount of produced 15-hydroxy-12-ketopentadecanoic acid was 0.249 g (0.915 mmol, yield: 90%).

参考例1 α−(11−シアノウンデカノイル)−γ−ブ
チロラクトンの製造例 11−シアノウンデカン酸メチル18.03g(80.0ミリモ
ル)、γ−ブチロラクトン3.44g(40.4ミリモル)およ
び28wt%ナトリウムメチラート−メタノール溶液7.72g
(40.0ミリモル)を仕込み、2時間かけてメタノールを
系外に留出させながら、内温が105〜110℃になるまで加
熱攪拌を続けた。反応終了後冷却し、1N−HCl 43mlで
酸性にした後、塩化メチレン100mlで1回、20mlで2回
抽出した。その塩化メチレン溶液を硫酸マグネシウムで
乾燥後、濃縮乾固し淡かっ色油状物を得た。得られた油
状物を、n−ヘキサン/酢酸エチル[1/1(容量比)]
を展開溶媒とし、シリカゲルカラムを用いて精製し、7.
93g(28.4ミリモル、収率71%)の白色固体を得た。
Reference Example 1 Production Example of α- (11-cyanoundecanoyl) -γ-butyrolactone 18.03 g (80.0 mmol) of methyl 11-cyanoundecanoate, 3.44 g (40.4 mmol) of γ-butyrolactone and 28 wt% sodium methylate-methanol 7.72 g of solution
(40.0 mmol), and heating and stirring were continued until the internal temperature reached 105 to 110 ° C. while distilling methanol out of the system over 2 hours. After completion of the reaction, the reaction mixture was cooled, acidified with 43 ml of 1N HCl, and extracted once with 100 ml of methylene chloride and twice with 20 ml of methylene chloride. The methylene chloride solution was dried over magnesium sulfate and concentrated to dryness to obtain a pale oily substance. The obtained oil was purified by n-hexane / ethyl acetate [1/1 (volume ratio)].
Was used as a developing solvent and purified using a silica gel column, and 7.
93 g (28.4 mmol, 71% yield) of a white solid were obtained.

この白色固体を分析した結果は、以下のとおりであっ
た。
The result of analyzing this white solid was as follows.

(1)m.p. 57〜59℃ (2)元素分析(C16H25NO3として) C H N 計算値(%) 68.79 9.02 5.01 実測値(%) 68.67 9.06 5.22 (3)IR(KBr、cm-1) 2920、2850、2250、1788、1705 (4)MS(m/e、CI) 280(M++1) (5)1H−NMR(CDCl3、δ(ppm)) 1.20〜1.37(10H,ブロード), 1.37〜1.50(2H,m),1.62〜1.69(4H,m), 2.26〜2.36(3H,m),2.56〜2.64(1H,m), 2.72〜2.80(1H,m),2.91〜3.00(1H,m), 3.68〜3.72(1H,m),4.29〜4.41(2H,m) 上記の各分析値から生成物がα−(11−シアノウンデ
カノイル)−γ−ブチロラクトンであることを確認し
た。
(1) mp 57-59 ° C (2) Elemental analysis (as C 16 H 25 NO 3 ) Calculated value of CH N (%) 68.79 9.02 5.01 Actual value (%) 68.67 9.06 5.22 (3) IR (KBr, cm − 1) 2920,2850,2250,1788,1705 (4) MS ( m / e, CI) 280 (M + +1) (5) 1 H-NMR (CDCl 3, δ (ppm)) 1.20~1.37 (10H, Broad), 1.37 to 1.50 (2H, m), 1.62 to 1.69 (4H, m), 2.26 to 2.36 (3H, m), 2.56 to 2.64 (1H, m), 2.72 to 2.80 (1H, m), 2.91 to 3.00 (1H, m), 3.68 to 3.72 (1H, m), 4.29 to 4.41 (2H, m) From the above analytical values, the product is α- (11-cyanoundecanoyl) -γ-butyrolactone It was confirmed.

参考例2 15−ヒドロキシペンタデカン酸の製造例 15−ヒドロキシ−12−ケトペンタデカン酸1.00g(3.6
8ミリモル)、85wt%水酸化カリウム0.73g(11.0ミリモ
ル)、85%水和ヒドラジン0.50g(8.5ミリモル)および
ジエチレングリコール5mlを仕込み、1.5時間加熱還流し
た。次いで、生成した水等の軽沸分を系外に留出させな
がら、内温を上昇させて195〜205℃に到らせ、さらに同
温度下で2時間加熱還流を続けた。反応終了後、溶液を
冷却し水5mlを加えて希釈した後、6N−HCl3mlを加え、
析出する淡かっ色固体を取した。この固体をベンゼン
から再結晶して、0.81g(3.14ミリモル、収率85%)の
白色結晶を得た。
Reference Example 2 Production Example of 15-hydroxypentadecanoic acid 1.00 g of 15-hydroxy-12-ketopentadecanoic acid (3.6 g
8 mmol), 0.73 g (11.0 mmol) of 85% by weight potassium hydroxide, 0.50 g (8.5 mmol) of 85% hydrated hydrazine and 5 ml of diethylene glycol were heated and refluxed for 1.5 hours. Then, while distilling off the generated light boiling components such as water out of the system, the internal temperature was raised to 195 to 205 ° C., and the mixture was heated and refluxed at the same temperature for 2 hours. After the reaction was completed, the solution was cooled and diluted by adding 5 ml of water, and then 3 ml of 6N-HCl was added.
The light brown solid that precipitated was collected. The solid was recrystallized from benzene to give 0.81 g (3.14 mmol, 85% yield) of white crystals.

この白色結晶を分析した結果は、以下のとおりであっ
た。
The results of analyzing the white crystals were as follows.

(1)m.p. 83〜85℃ (2)元素分析(C15H30O3として) C H 計算値(%) 69.72 11.70 実測値(%) 69.57 11.90 (3)IR、MS、1H−NMRの分析値は標品のそれらと一致
した。
(1) mp 83 to 85 ° C. (2) Elemental analysis (as C 15 H 30 O 3 ) Calculated CH (%) 69.72 11.70 Actual (%) 69.57 11.90 (3) IR, MS, 1 H-NMR Analytical values were consistent with those of the standard.

上記の分析値から生成物が15−ヒドロキシペンタデカ
ン酸であることを確認した。
The above analysis confirmed that the product was 15-hydroxypentadecanoic acid.

Claims (1)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】一般式 (式中、nは7〜11の整数を表す) で示されるα−(ω−シアノアルカノイル)−γ−ブチ
ロラクトンを、アルカリ金属水酸化物の存在下、水溶媒
中又は水溶性有機溶媒−水の混合溶媒中で反応させるこ
とを特徴とする 一般式 HOOC−(CH2−CO−(CH2−OH [II] (式中、nは上記と同じ意味を表す) で示されるω−ヒドロキシ−(ω−3)−ケト脂肪酸の
製法。
(1) General formula (In the formula, n represents an integer of 7 to 11) α- (ω-cyanoalkanoyl) -γ-butyrolactone in an aqueous solvent or a water-soluble organic solvent-water in the presence of an alkali metal hydroxide. the formula which comprises reacting in a mixed solvent of HOOC- (CH 2) n -CO- ( CH 2) 3 -OH [II] ( wherein, n represents the same meaning as above) Process for producing ω-hydroxy- (ω-3) -keto fatty acid.
JP1142103A 1989-06-06 1989-06-06 Method for producing ω-hydroxy- (ω-3) -keto fatty acid Expired - Fee Related JP2595094B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1142103A JP2595094B2 (en) 1989-06-06 1989-06-06 Method for producing ω-hydroxy- (ω-3) -keto fatty acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1142103A JP2595094B2 (en) 1989-06-06 1989-06-06 Method for producing ω-hydroxy- (ω-3) -keto fatty acid

Publications (2)

Publication Number Publication Date
JPH0311036A JPH0311036A (en) 1991-01-18
JP2595094B2 true JP2595094B2 (en) 1997-03-26

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Country Link
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Publication number Priority date Publication date Assignee Title
CN1075495C (en) * 1995-08-04 2001-11-28 东丽株式会社 Process for producing 2-('omega'-alkoxycarbonylalkanoyl)-4-butanolide and long-chain 'omega'-hydroxy carboxylic acid
US5808106A (en) * 1995-08-04 1998-09-15 Katou; Tetsuya Method for producing 2-(ω-alkoxycarbonyl alkanoyl)-4-butanolide and a long-chain ω-hydroxycarboxylic acid
US5693828A (en) * 1996-05-09 1997-12-02 International Flavors & Fragrances Inc. Process for preparing lactones and intermediates therefor
WO1999000378A1 (en) * 1997-06-30 1999-01-07 Soda Aromatic Co., Ltd. PROCESSES FOR PREPARING 2-(φ-ALKOXYCARBONYLALKANOYL)-4-BUTANOLIDES, φ-HYDROXY-(φ-3)-KETO FATTY ESTERS, AND DERIVATIVES THEREOF
US6475133B2 (en) * 1997-06-30 2002-11-05 Soda Aromatic Co., Ltd. Methods for making 2-(ω-alkoxycarbonylalkanoyl)-4-butanolide, ester of omega-hydroxy-(ω-3)-ketoaliphatic acid, and derivatives thereof
JP4688563B2 (en) * 2005-05-06 2011-05-25 株式会社ニューギン Amusement machine lighting equipment
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