JPH04283541A - Production of pentadienal derivative - Google Patents

Production of pentadienal derivative

Info

Publication number
JPH04283541A
JPH04283541A JP3074596A JP7459691A JPH04283541A JP H04283541 A JPH04283541 A JP H04283541A JP 3074596 A JP3074596 A JP 3074596A JP 7459691 A JP7459691 A JP 7459691A JP H04283541 A JPH04283541 A JP H04283541A
Authority
JP
Japan
Prior art keywords
reaction
pentadienal
methyl
glucofuranurono
derivative
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.)
Granted
Application number
JP3074596A
Other languages
Japanese (ja)
Other versions
JP2904603B2 (en
Inventor
Masahiko Tajima
聖彦 田嶋
Koju Shimizu
幸樹 清水
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.)
Noguchi Institute
Original Assignee
Noguchi Institute
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Noguchi Institute filed Critical Noguchi Institute
Priority to JP3074596A priority Critical patent/JP2904603B2/en
Publication of JPH04283541A publication Critical patent/JPH04283541A/en
Application granted granted Critical
Publication of JP2904603B2 publication Critical patent/JP2904603B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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

Landscapes

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

Abstract

PURPOSE:To provide an easy process for the production of 4-acetoxy-5- methoxypentadienal valuable as an intermediate for perfumes and pharmaceuticals. CONSTITUTION:The present invention relates to a process for producing a pentadienal derivative of formula II by reacting 1-O-methyl-D- glycofuranurono-6,3-lactone diacetate of formula I in a conventional organic solvent in the presence of a basic compound such as triethylamine or N,N- dimethylbenzeneamine.

Description

【発明の詳細な説明】[Detailed description of the invention]

【0001】0001

【産業上の利用分野】本発明に関わる化2で示されるペ
ンタジエナール誘導体は、香料や医薬品の中間体として
価値ある化合物である。
[Industrial Field of Application] The pentadienal derivative represented by chemical formula 2 related to the present invention is a valuable compound as an intermediate for perfumes and pharmaceuticals.

【0002】0002

【従来の技術】当該化合物の製造法に関しては、D−グ
ルコフラヌロノ−6,3−ラクトントリアセテートをア
ルコールと塩基共存下で反応させる方法に関して既に特
許を出願している。
BACKGROUND OF THE INVENTION Regarding a method for producing this compound, a patent has already been filed for a method in which D-glucofuranurono-6,3-lactone triacetate is reacted with an alcohol in the presence of a base.

【0003】0003

【発明が解決しようとする課題】解決しようとする問題
点は、当該化合物のより簡便な製造法の開発にある。
The problem to be solved lies in the development of a simpler method for producing the compound.

【0004】0004

【発明が解決しようとする手段】本発明は、化1で示さ
れる1−O−メチル−D−グルコフラヌロノ−6,3−
ラクトンジアセテートの塩基化合物共存下での反応を検
討したところ、簡便な操作で化2で示される4−アセト
キシ−5−メトキシペンタジエナールが得られることを
見いだし、本発明を完成するに至った。
Means to be Solved by the Invention The present invention provides 1-O-methyl-D-glucofuranurono-6,3-
After studying the reaction of lactone diacetate in the presence of a basic compound, the inventors discovered that 4-acetoxy-5-methoxypentadienal represented by the formula 2 can be obtained by a simple operation, and the present invention was completed. .

【0005】すなわち、本発明の要旨は、化1で示され
る1−O−メチル−D−グルコフラヌロノ−6,3−ラ
クトンジアセテートを有機溶媒中塩基化合物の共存下で
反応させることを特徴とする化2で示されるペンタジエ
ナール誘導体の製造方法である。
That is, the gist of the present invention is characterized in that 1-O-methyl-D-glucofuranurono-6,3-lactone diacetate represented by Chemical Formula 1 is reacted in the presence of a basic compound in an organic solvent. This is a method for producing a pentadienal derivative represented by Chemical Formula 2.

【0006】かかる反応は、本発明者によって初めて明
らかにされた新規な反応である。
[0006] Such a reaction is a novel reaction revealed for the first time by the present inventor.

【0007】この反応において、原料として用いられる
化1で示される1−O−メチル−D−グルコフラヌロノ
−6,3−ラクトンジアセテートは、市販されているD
−グルコフラヌロノ−6,3−ラクトンを、メタノール
中酸触媒共存下等の通常のグリコシド化反応条件下で反
応させて1位をメチル化した後、無水酢酸−ピリジン系
等の通常のアセチル化条件下で反応させることによって
容易に合成することが出来る。
In this reaction, 1-O-methyl-D-glucofuranurono-6,3-lactone diacetate shown by formula 1 used as a raw material is commercially available D
- Glucofuranurono-6,3-lactone is reacted under normal glycosidation reaction conditions such as in the presence of an acid catalyst in methanol to methylate the 1-position, and then under normal acetylation conditions such as an acetic anhydride-pyridine system. It can be easily synthesized by reacting with

【0008】化1で示される1−O−メチル−D−グル
コフラヌロノ−6,3−ラクトンジアセテートの塩基化
合物共存下での反応は、有機溶媒中で実施される。
The reaction of 1-O-methyl-D-glucofuranurono-6,3-lactone diacetate represented by Formula 1 in the presence of a basic compound is carried out in an organic solvent.

【0009】有機溶媒としては、通常使用される有機溶
媒を用いることが出来るが、反応の基質である化1で示
される1−O−メチル−D−グルコフラヌロノ−6,3
−ラクトンジアセテートの溶解度が高い、クロロホルム
、アセトン、アセトニトリル、またはジクロロメタンを
用いることが望ましい。
As the organic solvent, commonly used organic solvents can be used, but 1-O-methyl-D-glucofuranurono-6,3 shown in formula 1, which is the substrate for the reaction, can be used.
- It is desirable to use chloroform, acetone, acetonitrile or dichloromethane, in which the lactone diacetate has a high solubility.

【0010】塩基化合物としては、1,8−ジアザビシ
クロ[5.4.0]−ウンデカ−7−エン(DBU)、
トリエチルアミン、N−メチルピロリジン、N,N−ジ
メチルベンジルアミン、N,N−ジエチルアニリン、ト
リ−n−ブチルアミン等の通常の有機塩基化合物が例示
されるが、特にトリエチルアミンが望ましい。
As the basic compound, 1,8-diazabicyclo[5.4.0]-undec-7-ene (DBU),
Common organic basic compounds such as triethylamine, N-methylpyrrolidine, N,N-dimethylbenzylamine, N,N-diethylaniline, and tri-n-butylamine are exemplified, and triethylamine is particularly preferred.

【0011】塩基化合物の使用量は、通常、原料の化1
で示される化合物に対して、2〜10倍モルであるが、
特に3〜4倍モルが適当である。
[0011] The amount of the basic compound used is usually determined by
2 to 10 times the molar amount of the compound represented by
In particular, 3 to 4 times the molar amount is suitable.

【0012】反応温度は、0〜100℃の間で任意であ
るが、60〜80℃付近が望ましい。反応時間は反応温
度により、3〜30時間の間で任意である。
[0012] The reaction temperature is arbitrary between 0 and 100°C, but preferably around 60 to 80°C. The reaction time is arbitrary between 3 and 30 hours depending on the reaction temperature.

【0013】このような反応によって、本発明の化合物
である化2で示されるペンタジエナール誘導体が容易に
得られ、通常の分離手段、例えば抽出、分液、濃縮、薄
層クロマトグラフィー、カラムクロマトグラフィー等に
より反応混合物から単離精製することができる。
Through such a reaction, the pentadienal derivative represented by formula 2, which is the compound of the present invention, can be easily obtained, and can be subjected to conventional separation methods such as extraction, separation, concentration, thin layer chromatography, and column chromatography. It can be isolated and purified from the reaction mixture by photography or the like.

【0014】[0014]

【実施例1】1−O−メチル−D−グルコフラヌロノ−
6,3−ラクトントジセテート0.274gにアセトニ
トリル5ml、及びトリエチルアミン0.42mlを加
え、60℃に於て24時間攪拌し反応させる。反応終了
後、反応混合物を減圧下に濃縮し、エーテルで抽出して
得られた油状物から薄層クロマトグラフィーによって4
−アセトキシ−5−メトキシペンタジエナールを単離し
た。(収率21.5%)
[Example 1] 1-O-methyl-D-glucofuranurono-
5 ml of acetonitrile and 0.42 ml of triethylamine were added to 0.274 g of 6,3-lactone todicetate, and the mixture was stirred at 60° C. for 24 hours to react. After the reaction was completed, the reaction mixture was concentrated under reduced pressure and extracted with ether. The resulting oil was subjected to thin layer chromatography to obtain 4
-acetoxy-5-methoxypentadienal was isolated. (Yield 21.5%)

【0015】[0015]

【実施例2】1−O−メチル−D−グルコフラヌロノ−
6,3−ラクトントジセテート0.274gにアセトニ
トリル5ml、及びトリエチルアミン0.42mlを加
え、還流下16時間攪拌し反応させる。反応終了後、反
応混合物を減圧下に濃縮し、エーテルで抽出して得られ
た油状物から薄層クロマトグラフィーによって4−アセ
トキシ−5−メトキシペンタジエナールを単離した。 (収率  15.8%)
[Example 2] 1-O-methyl-D-glucofuranurono-
5 ml of acetonitrile and 0.42 ml of triethylamine are added to 0.274 g of 6,3-lactone todicetate, and the mixture is stirred and reacted under reflux for 16 hours. After the reaction was completed, the reaction mixture was concentrated under reduced pressure and extracted with ether. From the resulting oil, 4-acetoxy-5-methoxypentadienal was isolated by thin layer chromatography. (Yield 15.8%)

【0016】[0016]

【実施例3】1−O−メチル−D−グルコフラヌロノ−
6,3−ラクトントジセテート0.274gにクロロホ
ルム5ml、及びトリエチルアミン0.42mlを加え
、室温に於いて168時間攪拌し反応させる。反応終了
後、反応混合物を減圧下に濃縮し、エーテルで抽出して
得られた油状物から薄層クロマトグラフィーによって4
−アセトキシ−5−メトキシペンタジエナールを単離し
た。(収率8.9%)
[Example 3] 1-O-methyl-D-glucofuranurono-
5 ml of chloroform and 0.42 ml of triethylamine were added to 0.274 g of 6,3-lactone todicetate, and the mixture was stirred and reacted at room temperature for 168 hours. After the reaction was completed, the reaction mixture was concentrated under reduced pressure and extracted with ether. The resulting oil was subjected to thin layer chromatography to obtain 4
-acetoxy-5-methoxypentadienal was isolated. (yield 8.9%)

【0017】[0017]

【実施例4】1−O−メチル−D−グルコフラヌロノ−
6,3−ラクトントジセテート0.274gにトルエン
5ml、及びトリエチルアミン0.42mlを加え、9
0℃に於て24時間攪拌し反応させる。反応終了後、反
応混合物を減圧下に濃縮し、エーテルで抽出して得られ
た油状物から薄層クロマトグラフィーによって4−アセ
トキシ−5−メトキシペンタジエナールを単離した。 (収率  8.9%)
[Example 4] 1-O-methyl-D-glucofuranurono-
Add 5 ml of toluene and 0.42 ml of triethylamine to 0.274 g of 6,3-lactone todicetate,
The mixture was stirred and reacted at 0°C for 24 hours. After the reaction was completed, the reaction mixture was concentrated under reduced pressure and extracted with ether. From the resulting oil, 4-acetoxy-5-methoxypentadienal was isolated by thin layer chromatography. (yield 8.9%)

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 【化1】 化1で示される1−O−メチル−D−グルコフラヌロノ
−6,3−ラクトンジアセテートを塩基化合物の共存下
に反応させることを特徴とする化2で示されるペンタジ
エナール誘導体の製造方法。 【化2】
[Claim 1] [Chemical 1] A compound represented by chemical formula 2, characterized in that 1-O-methyl-D-glucofuranurono-6,3-lactone diacetate represented by chemical formula 1 is reacted in the presence of a basic compound. A method for producing a pentadienal derivative. [Case 2]
JP3074596A 1991-03-13 1991-03-13 Method for producing pentadienal derivative Expired - Lifetime JP2904603B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3074596A JP2904603B2 (en) 1991-03-13 1991-03-13 Method for producing pentadienal derivative

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3074596A JP2904603B2 (en) 1991-03-13 1991-03-13 Method for producing pentadienal derivative

Publications (2)

Publication Number Publication Date
JPH04283541A true JPH04283541A (en) 1992-10-08
JP2904603B2 JP2904603B2 (en) 1999-06-14

Family

ID=13551693

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3074596A Expired - Lifetime JP2904603B2 (en) 1991-03-13 1991-03-13 Method for producing pentadienal derivative

Country Status (1)

Country Link
JP (1) JP2904603B2 (en)

Also Published As

Publication number Publication date
JP2904603B2 (en) 1999-06-14

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