JPH07206841A - Method for producing butyrolactone - Google Patents

Method for producing butyrolactone

Info

Publication number
JPH07206841A
JPH07206841A JP479094A JP479094A JPH07206841A JP H07206841 A JPH07206841 A JP H07206841A JP 479094 A JP479094 A JP 479094A JP 479094 A JP479094 A JP 479094A JP H07206841 A JPH07206841 A JP H07206841A
Authority
JP
Japan
Prior art keywords
compound
formula
gamma
butyrolactone
lewis acid
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.)
Pending
Application number
JP479094A
Other languages
Japanese (ja)
Inventor
Tomoyuki Shibata
智之 柴田
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.)
Sankyo Co Ltd
Original Assignee
Sankyo Co Ltd
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 Sankyo Co Ltd filed Critical Sankyo Co Ltd
Priority to JP479094A priority Critical patent/JPH07206841A/en
Publication of JPH07206841A publication Critical patent/JPH07206841A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To obtain a butyrolactone compound having a cdc2 phosphorylation- inhibiting ability and a cell multiplication-inhibiting ability, and useful as an antitumor agent or an immunosuppressive agent by subjecting a specific compound to a rearrangement in the presence of a Lewis acid catalyst. CONSTITUTION:A compound of formula I (R is 1-4C alkyl) is subjected to a rearrangement in the presence of (B) a Lewis acid catalyst preferably comprising boron trifluoride.ethyl ether complex in an inactive solvent such as chloroform usually at -100 to 50 deg.C (preferably -78 deg.C) ordinarily for 5min to 3hr (preferably 30 min to 1.5 hr) to obtain a compound of formula II. The amount of the component B is usually 0.1-3 equivalents (preferably 1-2 equivalents) based on the component A. The compound includes alpha-oxo-beta-(p-hydroxyphenyl)-gamma-[p-hydroxy- m-(3-methyl-2-buten-l-yl)benzyl]-gamma-methoxycarbonyl-gamma-butyrolac tone.

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cdc2 リン酸化酵素阻
害能及び細胞増殖抑制能を有するブチロラクトン(2)
の製造法に関する。
FIELD OF THE INVENTION The present invention relates to butyrolactone (2) having cdc 2 phosphatase inhibitory activity and cell growth inhibitory activity.
Manufacturing method.

【0002】[0002]

【従来の技術】従来、ブチロラクトン(2)の製造法と
しては、アスペルギウス(Aspergillus) 属の微生物を用
いる発酵による方法(Kiriyama,N.,et al, Chem.Pharm.B
ull.,25,2593(1977)) 及び微生物から抽出した酵素を用
いる方法(Nitta,K.,et al,Chem.Pharm.Bull.,31,1528(1
983)) が知られている。
2. Description of the Related Art Conventionally, as a method for producing butyrolactone (2), a method by fermentation using a microorganism of the genus Aspergillus (Kiriyama, N., et al, Chem. Pharm.
ull., 25 , 2593 (1977)) and a method using an enzyme extracted from a microorganism (Nitta, K., et al, Chem. Pharm. Bull., 31 , 1528 (1
983)) is known.

【0003】[0003]

【発明が解決しようとする課題】これらの方法はいずれ
も微生物ないし微生物から抽出した酵素を用いるもので
あり、収率が悪く、化合物(2)の大量生産にも不向き
であった。
All of these methods use a microorganism or an enzyme extracted from the microorganism, the yield is poor, and it is not suitable for mass production of the compound (2).

【0004】[0004]

【課題を解決する為の手段】本発明者らは、収率がよ
く、大量生産にも適した、化合物(2)の純合成化学的
製造法を開発すべく、鋭意検討を重ねた結果、式(1)
で表わされる化合物を、ルイス酸触媒下、転移反応を行
うことによって、ブチロラクトン(2)が収率よく得ら
れることを見出した。
Means for Solving the Problems As a result of intensive studies, the present inventors have conducted extensive studies to develop a pure synthetic chemical production method of compound (2), which has a high yield and is suitable for mass production. Formula (1)
It was found that butyrolactone (2) can be obtained in good yield by subjecting the compound represented by the formula (1) to a rearrangement reaction in the presence of a Lewis acid catalyst.

【0005】本発明の製造方法は 式The manufacturing method of the present invention has the formula

【0006】[0006]

【化3】 [Chemical 3]

【0007】で表わされる化合物を、不活性溶剤中、ル
イス酸で処理することにより、式
By treating a compound represented by the formula with a Lewis acid in an inert solvent, a compound of formula

【0008】[0008]

【化4】 [Chemical 4]

【0009】のブチロラクトンを製造する方法である。This is a method for producing butyrolactone.

【0010】上記式(1)及び(2)におけるRの炭素
数1乃至4個のアルキル基としては、メチル、エチル、
n-プロピル、イソプロピル、n-ブチル、イソブチル、s-
ブチル、t-ブチル基があげられ、好適にはメチル基であ
る。
Examples of the alkyl group having 1 to 4 carbon atoms of R in the above formulas (1) and (2) include methyl, ethyl,
n-propyl, isopropyl, n-butyl, isobutyl, s-
A butyl group and a t-butyl group are mentioned, and a methyl group is preferable.

【0011】使用される不活性溶剤としては、反応を阻
害しないものであれば特に限定はないが、好適には、ク
ロロホルム、メチレンクロリド、ジクロロエタン等のハ
ロゲン化炭化水素であり、特にクロロホルムが好適であ
る。
The inert solvent used is not particularly limited as long as it does not inhibit the reaction, but it is preferably a halogenated hydrocarbon such as chloroform, methylene chloride or dichloroethane, and particularly preferably chloroform. is there.

【0012】使用されるルイス酸としては、好適には、
ボロントリフルオリド・エチルエーテルコンプレック
ス、ヨウ化亜鉛、塩化スズであり、さらに好適には、ボ
ロントリフルオリド・エチルエーテルコンプレックスで
ある。
The Lewis acid used is preferably
Boron trifluoride / ethyl ether complex, zinc iodide and tin chloride are more preferable, and boron trifluoride / ethyl ether complex is more preferable.

【0013】使用されるルイス酸の量は、化合物(1)
に対して、通常0.1 乃至3等量であるが、好適には、1
乃至2等量である。
The amount of Lewis acid used depends on the amount of the compound (1).
However, it is usually 0.1 to 3 equivalents, but preferably 1
To 2 equivalents.

【0014】反応温度は、通常−100℃乃至−50℃
であり、好適には−78℃である。反応時間は、使用す
る溶剤、ルイス酸、反応温度等により変化するが、通常
5分乃至3時間であり、好適には30分乃至1時間30
分である。
The reaction temperature is usually -100 ° C to -50 ° C.
And preferably −78 ° C. The reaction time varies depending on the solvent used, Lewis acid, reaction temperature and the like, but is usually 5 minutes to 3 hours, preferably 30 minutes to 1 hour 30
Minutes.

【0015】反応終了後、目的化合物は、常法、例え
ば、反応液を飽和炭酸水素ナトリウム水溶液に注ぎ、水
と混和しない溶剤、例えばクロロホルムで抽出し、抽出
液より溶剤を留去して得られる残渣を、シリカゲルのカ
ラムクロマトグラフィーにより精製することにより得ら
れる。
After completion of the reaction, the desired compound is obtained by a conventional method, for example, by pouring the reaction solution into a saturated aqueous solution of sodium hydrogen carbonate, extracting with a solvent immiscible with water, for example, chloroform, and distilling the solvent off from the extract. The residue is obtained by purification by column chromatography on silica gel.

【0016】原料となる式(1)の化合物は、容易に入
手できるp−ヒドロキシフェニルピルビン酸を出発物質
として、カルボン酸を通常用いる方法、例えば、ジシク
ロヘキシルカルボジイミドのような縮合剤を用いて、所
望のアルコールと反応させる方法、メチルエステルの場
合には、ジアゾメタンを反応させる方法により、p−ヒ
ドロキシフェニルピルビン酸エステルを得る。
The compound of the formula (1) as a raw material is desired by a method in which an easily available p-hydroxyphenylpyruvic acid is used as a starting material and a carboxylic acid is usually used, for example, a condensing agent such as dicyclohexylcarbodiimide is used. P-Hydroxyphenylpyruvate ester is obtained by the method of reacting with the alcohol of 1., and in the case of methyl ester, the method of reacting with diazomethane.

【0017】このエステルを、文献既知の方法(Nitta,
K., et al, Chem. Pharm. Bull., 31, 1528(1983))に従
い、2量化して、
This ester was prepared by a method known in the literature (Nitta,
K., et al, Chem. Pharm. Bull., 31, 1528 (1983))

【0018】[0018]

【化5】 [Chemical 5]

【0019】を得る。To obtain

【0020】得られた化合物と3−メチル−2−ブテン
−1−オールとの縮合反応によって得ることができる。
It can be obtained by a condensation reaction between the obtained compound and 3-methyl-2-buten-1-ol.

【0021】式(3)の化合物と3−メチル−2−ブテ
ン−1−オールとの縮合反応としては、例えば,光延反
応等を用いることができる。
As the condensation reaction between the compound of formula (3) and 3-methyl-2-buten-1-ol, for example, the Mitsunobu reaction or the like can be used.

【0022】[0022]

【発明の効果】本発明の方法により、cdc2 リン酸化
酵素阻害能及び細胞増殖抑制能を有し、抗腫瘍剤又は免
疫抑制剤として有用なブチロラクトン(2)を、収率よ
く製造することができる。
INDUSTRIAL APPLICABILITY By the method of the present invention, butyrolactone (2), which has cdc 2 phosphatase inhibitory activity and cell growth inhibitory activity and is useful as an antitumor agent or immunosuppressive agent, can be produced in good yield. it can.

【0023】[0023]

【実施例】【Example】

【0024】[0024]

【実施例1】α−オキソ−β−(p−ヒドロキシフェニル)−γ−
(p−ヒドロキシ−m−(3−メチル−2−ブテン−1
−イル)ベンジル)−γ−メトキシカルボニル−γ−ブ
チロラクトン α−オキソ−β−(p−ヒドロキシフェニル)−γ−
(p−(3−メチル−2−ブテン−1−オキシ)ベンジ
ル)−γ−メトキシカルボニル−γ−ブチロラクトン(1
02mg) をクロロホルム(2ml)に溶かし、窒素雰囲気
下、ボロントリフルオリド・エチルエーテルコンプレッ
クス(45.3 μl)を加え、−78℃で80分撹拌した。反
応液を飽和炭酸水素ナトリウム水溶液にあけ、クロロホ
ルムで抽出した。抽出液を飽和食塩水で洗浄後、硫酸マ
グネシウムで乾燥し、溶媒を留去して得られた残渣をシ
リカゲルの薄層クロマトグラフィー(メチレンクロリド
/メタノール=10/1)で2回展開)により分取し
て、α−オキシ−β−(p−ヒドロキシフェニル)−γ
−(p−ヒドロキシ−m−(3−メチル−2−ブテン−
1−イル)ベンジル)−γ−メトキシカルボニル−γ−
ブチロラクトン(12mg)を得た。
Example 1 α-oxo-β- (p-hydroxyphenyl) -γ-
(P-hydroxy-m- (3-methyl-2-butene-1
-Yl) benzyl) -γ-methoxycarbonyl-γ-bu
Tyrolactone α-oxo- β- (p-hydroxyphenyl) -γ-
(P- (3-Methyl-2-butene-1-oxy) benzyl) -γ-methoxycarbonyl-γ-butyrolactone (1
02 mg) was dissolved in chloroform (2 ml), boron trifluoride-ethyl ether complex (45.3 μl) was added under a nitrogen atmosphere, and the mixture was stirred at −78 ° C. for 80 minutes. The reaction solution was poured into saturated aqueous sodium hydrogen carbonate solution and extracted with chloroform. The extract was washed with saturated brine, dried over magnesium sulfate, and the solvent was evaporated to give a residue, which was separated by thin layer chromatography on silica gel (developed twice with methylene chloride / methanol = 10/1). Taking α-oxy-β- (p-hydroxyphenyl) -γ
-(P-hydroxy-m- (3-methyl-2-butene-
1-yl) benzyl) -γ-methoxycarbonyl-γ-
Butyrolactone (12 mg) was obtained.

【0025】NMR(アセトン−d6 )1.60(3H,s),1.6
7(3H,s),3.13(2H,d,J=7.3Hz),3.46(2H,s),3.79(3H,s),
5.12(1H,t,J=7.3Hz),6.52-6.61(3H,m),6.98.(2H,d,J=8.
6Hz),7.65(2H,d,J=8.6Hz),7.9-8.2(1H,br),8.4-9.4(2H,
br)
NMR (acetone-d 6 ) 1.60 (3H, s), 1.6
7 (3H, s), 3.13 (2H, d, J = 7.3Hz), 3.46 (2H, s), 3.79 (3H, s),
5.12 (1H, t, J = 7.3Hz), 6.52-6.61 (3H, m), 6.98. (2H, d, J = 8.
6Hz), 7.65 (2H, d, J = 8.6Hz), 7.9-8.2 (1H, br), 8.4-9.4 (2H,
br)

【0026】[0026]

【参考例1】α−オキソ−β−(p−ヒドロキシフェニル)−γ−
(p−(3メチル−2−ブテン−1−オキシ)ベンジ
ル)−γ−メトキシカルボニル−γ−ブチロラクトン α−オキソ−β−(p−ヒドロキシフェニル)−γ−
(p−ヒドロキシベンジル)−γ−メトキシカルボニル
−γ−ラクトン(30mg)を無水テトラヒドロフラン
(1ml)に溶かし、トリフェニルホスフィン(22m
g)、3−メチル−2−ブテン−1−オール(8.5μl)お
よびジエチルアゾジカルボン酸ジエチル(13.0 μl)を加
え、窒素雰囲気下、室温にて18時間撹拌した後、加熱
還流下、4時間撹拌した。室温まで冷却後、溶媒を減圧
下留去して得られた残渣をシリカゲルの薄層クロマトグ
ラフィー(ベンゼン/酢酸エチル=1/1)により分取
して、α−オキソ−β−(p−ヒドロキシフェニル)−
γ−(p−(3−メチル−2−ブテン−1−オキシ)ベ
ンジル)−γ−メトキシカルボニル−γ−ブチロラクト
ン(21mg)を得た。
Reference Example 1 α-oxo-β- (p-hydroxyphenyl) -γ-
(P- (3 Methyl-2-butene-1-oxy) benzi
) -Γ-Methoxycarbonyl-γ-butyrolactone α-oxo-β- (p-hydroxyphenyl) -γ-
(P-Hydroxybenzyl) -γ-methoxycarbonyl-γ-lactone (30 mg) was dissolved in anhydrous tetrahydrofuran (1 ml), and triphenylphosphine (22 m
g), 3-methyl-2-buten-1-ol (8.5 μl) and diethyl diethylazodicarboxylate (13.0 μl) were added, and the mixture was stirred under a nitrogen atmosphere at room temperature for 18 hours, then heated under reflux for 4 hours. It was stirred. After cooling to room temperature, the solvent was distilled off under reduced pressure and the obtained residue was fractionated by silica gel thin layer chromatography (benzene / ethyl acetate = 1/1) to obtain α-oxo-β- (p-hydroxyl). Phenyl)-
γ- (p- (3-Methyl-2-butene-1-oxy) benzyl) -γ-methoxycarbonyl-γ-butyrolactone (21 mg) was obtained.

【0027】NMR(アセトン−d6 )1.61(3
H,s),1.68(3H,s),3.43(1H,
d,J=14.5Hz),3.48(1H,d,J=1
4.5Hz),3.81(3H,s),4.53(1
H,dd,J=7.0,11.5Hz),4.64(1
H,dd,J=7.6,11.5Hz),5.12−
5.23(1H,m),6.62(2H,d,J=9.
2Hz),6.68(2H,d,J=9.2Hz),
6.96(2H,d,J=9.2Hz),7.60(2
H,d,J=9.2Hz),8.0−8.5(1H,b
r),8.6−9.2(1H,br)
NMR (acetone-d 6 ) 1.61 (3
H, s), 1.68 (3H, s), 3.43 (1H,
d, J = 14.5 Hz), 3.48 (1H, d, J = 1)
4.5Hz), 3.81 (3H, s), 4.53 (1
H, dd, J = 7.0, 11.5 Hz), 4.64 (1
H, dd, J = 7.6, 11.5 Hz), 5.12-
5.23 (1H, m), 6.62 (2H, d, J = 9.
2Hz), 6.68 (2H, d, J = 9.2Hz),
6.96 (2H, d, J = 9.2Hz), 7.60 (2
H, d, J = 9.2 Hz), 8.0-8.5 (1H, b
r), 8.6-9.2 (1H, br)

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】式 【化1】 (式中、Rは炭素数1乃至4個のアルキル基を示す)で
表わされる化合物を、不活性溶剤中、ルイス酸で処理す
ることにより、式 【化2】 (式中、Rは前述のものと同意義を示す)の化合物を得
る、ブチロラクトンの製造法。
1. The formula: By treating a compound represented by the formula (wherein R represents an alkyl group having 1 to 4 carbon atoms) with a Lewis acid in an inert solvent, a compound represented by the formula: A method for producing butyrolactone, wherein a compound of the formula (wherein R has the same meaning as defined above) is obtained.
【請求項2】請求項1において、Rがメチル基である場
合の、ブチロラクトンの製造法。
2. The method for producing butyrolactone according to claim 1, wherein R is a methyl group.
JP479094A 1994-01-20 1994-01-20 Method for producing butyrolactone Pending JPH07206841A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP479094A JPH07206841A (en) 1994-01-20 1994-01-20 Method for producing butyrolactone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP479094A JPH07206841A (en) 1994-01-20 1994-01-20 Method for producing butyrolactone

Publications (1)

Publication Number Publication Date
JPH07206841A true JPH07206841A (en) 1995-08-08

Family

ID=11593589

Family Applications (1)

Application Number Title Priority Date Filing Date
JP479094A Pending JPH07206841A (en) 1994-01-20 1994-01-20 Method for producing butyrolactone

Country Status (1)

Country Link
JP (1) JPH07206841A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6667330B2 (en) 2002-01-31 2003-12-23 Galileo Pharmaceuticals, Inc. Furanone derivatives
CN103351369A (en) * 2013-04-19 2013-10-16 中国海洋大学 Methybutyrolactone II and preparation method thereof, and application of methybutyrolactone II as nature marine organism antifouling agent
CN113880793A (en) * 2021-11-15 2022-01-04 自然资源部第三海洋研究所 Method for synthesizing new butyrolactone derivative and application of butyrolactone derivative in antiallergic medicine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6667330B2 (en) 2002-01-31 2003-12-23 Galileo Pharmaceuticals, Inc. Furanone derivatives
CN103351369A (en) * 2013-04-19 2013-10-16 中国海洋大学 Methybutyrolactone II and preparation method thereof, and application of methybutyrolactone II as nature marine organism antifouling agent
CN113880793A (en) * 2021-11-15 2022-01-04 自然资源部第三海洋研究所 Method for synthesizing new butyrolactone derivative and application of butyrolactone derivative in antiallergic medicine
CN113880793B (en) * 2021-11-15 2024-02-20 自然资源部第三海洋研究所 Synthesis method of butyrolactone derivative and application of butyrolactone derivative in antiallergic drugs

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