JPS5828273B2 - Tansan Ester Rui no Gouseihou - Google Patents

Tansan Ester Rui no Gouseihou

Info

Publication number
JPS5828273B2
JPS5828273B2 JP10936274A JP10936274A JPS5828273B2 JP S5828273 B2 JPS5828273 B2 JP S5828273B2 JP 10936274 A JP10936274 A JP 10936274A JP 10936274 A JP10936274 A JP 10936274A JP S5828273 B2 JPS5828273 B2 JP S5828273B2
Authority
JP
Japan
Prior art keywords
represented
ester
general formula
solution
added
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
Application number
JP10936274A
Other languages
Japanese (ja)
Other versions
JPS5136422A (en
Inventor
真純 伊藤
孝 紙谷
大二郎 萩原
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.)
Fujisawa Pharmaceutical Co Ltd
Original Assignee
Fujisawa Pharmaceutical 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 Fujisawa Pharmaceutical Co Ltd filed Critical Fujisawa Pharmaceutical Co Ltd
Priority to JP10936274A priority Critical patent/JPS5828273B2/en
Priority to IT2656475A priority patent/IT1042036B/en
Priority to BE159438A priority patent/BE832716A/en
Priority to DK384475A priority patent/DK384475A/en
Priority to US05/607,759 priority patent/US4010178A/en
Priority to SE7509492A priority patent/SE436198B/en
Priority to FR7526422A priority patent/FR2286130A1/en
Priority to HU75FU339A priority patent/HU175365B/en
Priority to CA234,303A priority patent/CA1055950A/en
Priority to GB35441/75A priority patent/GB1517946A/en
Priority to NL7510136A priority patent/NL7510136A/en
Priority to CH1111175A priority patent/CH624664A5/en
Priority to DE19752538138 priority patent/DE2538138A1/en
Publication of JPS5136422A publication Critical patent/JPS5136422A/en
Publication of JPS5828273B2 publication Critical patent/JPS5828273B2/en
Expired legal-status Critical Current

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Description

【発明の詳細な説明】 この発明は一般式 (式中、Xはハロゲン、YおよびZはエステル化された
カルボキシ基をそれぞれ意味する)で示されるハロカル
ボニルオキシイミノ誘導体に一般式 (式中、Rはアルコキシ基で置換されたアラルキル基を
意味する) で示されるアルコール類を作用させるか、または一般式 (式中、Yおよび2は前と同じ意味) で示されるオキシム誘導体またはその塩類に一般式 (式中、RおよびXは前と同じ意味) で示されるハロぎ酸エステル類を作用させて一般式 (式中、R,Y、および2は前と同じ意味)で示される
炭酸エステル類を得ることからなる炭酸エステル類の合
成法に関するものである。
DETAILED DESCRIPTION OF THE INVENTION The present invention provides a halocarbonyloxyimino derivative represented by the general formula (wherein, (R means an aralkyl group substituted with an alkoxy group) or on an oxime derivative or its salt represented by the general formula (wherein Y and 2 have the same meanings as before). Carbonate esters represented by the general formula (wherein R, Y, and 2 have the same meanings as before) are produced by the action of haloformic acid esters represented by the formula (wherein R, Y, and 2 have the same meanings as before) The present invention relates to a method for synthesizing carbonic esters, which comprises obtaining carbonate esters.

この発明は新規なアミノ保護基の導入試剤の製造法を提
供するものである。
This invention provides a method for producing a novel reagent for introducing an amino protecting group.

この発明の目的物質(V)を用いた場合には低温、短時
間でアミノ保護基を導入することができ、副反応を伴う
恐れも少い。
When the target substance (V) of the present invention is used, an amino protecting group can be introduced at low temperature and in a short time, and there is little risk of side reactions occurring.

この発明の目的物質(V)は安定な化合物であり、この
発明の方法により容易に純粋な化合物として得られ、他
の導入試剤、例えばアジド化合物のような危険性もなく
、取扱いが簡便である等のすぐれた特徴を有するもので
ある。
The object substance (V) of the present invention is a stable compound, easily obtained as a pure compound by the method of the present invention, free from the dangers of other introduction reagents such as azide compounds, and easy to handle. It has excellent features such as:

この発明の反応のうち特許請求の範囲1に記載の反応は
、ハロカルボニルオキシイミノ誘導体(I)にアルコー
ル類(n)を作用させることにより行なわれる。
Among the reactions of this invention, the reaction described in claim 1 is carried out by reacting the halocarbonyloxyimino derivative (I) with an alcohol (n).

ハロカルボニルオキシイミノ誘導体とは前記一般式(1
)で示され、さらに詳細にはクロル、フルオル、フロム
等のハロゲンをXとして有し、同一もしくは異なって、
エステル化されたカルボキシ基をYおよび2として有す
る化合物を意味し、ここにおけるエステル化されたカル
ボキシ基としては、メトキシカルボニル、エトキシカル
ボニル、プロポキシカルボニル イソプロポキシカルボ
ニル、ブトキシカルボニル、インブトキシカルボニル、
第3級ブトキシカルボニル等のアルコキシカルボニル、
シクロヘキシルオキ7カルポニル、シクロへブチルオキ
シカルボニル等のシクロアルコキシカルボニル、ベンジ
ルオキ7カルボニル、フェネチルオキシカルボニル等の
アラルコキシカルボニル等が挙げられる。
The halocarbonyloxyimino derivative is the general formula (1
), and more specifically, it has a halogen such as chlor, fluor, frome as X, and is the same or different,
It means a compound having an esterified carboxyl group as Y and 2, and examples of the esterified carboxyl group here include methoxycarbonyl, ethoxycarbonyl, propoxycarbonyl isopropoxycarbonyl, butoxycarbonyl, imbutoxycarbonyl,
alkoxycarbonyl such as tertiary butoxycarbonyl,
Examples include cycloalkoxycarbonyl such as cyclohexyloxycarbonyl and cyclohebutyloxycarbonyl, and aralkoxycarbonyl such as benzyloxycarbonyl and phenethyloxycarbonyl.

アルコール類とは前記の一般式(TI)で示され、さら
に詳細には、メトキン、エトキシ、プロポキシ、イソプ
ロポキシ、ブトキシ、インブトキシ、第3級ブトキシ等
のアルコキシ基で置換されたベンジル、フェネチル等の
アラルキル基をRとして有する化合物を意味する。
Alcohols are represented by the above general formula (TI), and more specifically include benzyl, phenethyl, etc. substituted with an alkoxy group such as methoxy, ethoxy, propoxy, isopropoxy, butoxy, imbutoxy, tertiary butoxy, etc. means a compound having an aralkyl group as R.

この反応ではクロロホルム、テトラヒドロフラン、エー
テル、アセトニトリル、酢酸エチル、アセトン、ベンゼ
ン、n−ヘキサン、石油エーテル、ジオキサン等の有機
溶媒が使用されるがこれらに限定されるものではなく、
この反応に悪影響を与えない他の有機溶媒はすべて使用
することができる。
Organic solvents used in this reaction include, but are not limited to, chloroform, tetrahydrofuran, ether, acetonitrile, ethyl acetate, acetone, benzene, n-hexane, petroleum ether, and dioxane.
Any other organic solvent that does not adversely affect the reaction can be used.

またこの反応は塩基の存在下に行なうのが好ましい。Moreover, this reaction is preferably carried out in the presence of a base.

ここで使用される塩基としては水酸化ナトリウム、水酸
化カリウム等の水酸化アルカリ金属、水酸化カルシウム
、水酸化マグネシウム等の水酸化アルカリ土類金属、炭
酸す) IJウム、炭酸カリウム等の炭酸アルカリ金属
、炭酸カルシウム炭酸マグネシウム等の炭酸アルカリ土
類金属、炭酸水素ナトリウム、炭酸水素カリウム等の炭
酸水素アルカリ金属、アンモニア、トリメチルアミン、
トリエチルアミン、トリエタノールアミン、ジメチルア
ニリン、ピリジン、キノリン等の無機または有機の塩基
が挙げられ、これらの塩基は混合して使用することもで
きる。
Bases used here include alkali metal hydroxides such as sodium hydroxide and potassium hydroxide, alkaline earth metal hydroxides such as calcium hydroxide and magnesium hydroxide, and alkali carbonates such as carbonate and potassium carbonate. Metals, alkaline earth metal carbonates such as calcium carbonate and magnesium carbonate, alkali metal hydrogen carbonates such as sodium hydrogen carbonate and potassium hydrogen carbonate, ammonia, trimethylamine,
Examples include inorganic or organic bases such as triethylamine, triethanolamine, dimethylaniline, pyridine, and quinoline, and these bases can also be used in combination.

この反応の反応温度は特に限定されないが通常低温ない
し室温で行なわれることが多い。
The reaction temperature for this reaction is not particularly limited, but it is usually carried out at low temperature to room temperature.

またオキシム誘導体(III)またはその塩類に・・口
ぎ酸エステル類(IV)を作用させる反応は、前記の化
合物(I)と化合物(n)との反応と同様の反応条件で
行なわれるが、溶媒は有機溶媒のほかに水または前記有
機溶媒と水とを混合した水性有機溶媒も使用し得る。
Further, the reaction in which the oxime derivative (III) or its salt is reacted with the formic acid ester (IV) is carried out under the same reaction conditions as the reaction between the compound (I) and the compound (n), but As the solvent, in addition to organic solvents, water or an aqueous organic solvent obtained by mixing the above-mentioned organic solvent and water may be used.

オキシム誘導体(III )の塩類としては、カリウム
塩、ナトリウム塩等のアルカリ金属塩、カルシウム塩、
マグネシウム塩等のアルカリ土類金属塩などが挙げられ
る。
Examples of the salts of the oxime derivative (III) include alkali metal salts such as potassium salts and sodium salts, calcium salts,
Examples include alkaline earth metal salts such as magnesium salts.

この発明の方法により得られる炭酸エステル類(V)は
すべて新規化合物であり、アミノ保護基の導入試剤とし
て有用である。
The carbonic acid esters (V) obtained by the method of this invention are all new compounds and are useful as reagents for introducing amino protecting groups.

次にこの発明を実施例により説明する。Next, the present invention will be explained with reference to examples.

実施例 1 ホスゲン2.52を含むベンゼン11.4rIll溶液
にさらにベンゼン20m1を加え、この溶液に窒素気流
中、5℃で2−ヒドロキシイミノマロン酸ジエチルエス
テル4.73ftおよびN−N−ジメチルアニリン3.
039をベンゼン30m1に溶解した溶液を40分間を
要して加え、同温で1時間、ついで室温で一夜攪拌する
Example 1 20 ml of benzene was further added to a solution of 11.4 ml of benzene containing 2.52 ml of phosgene, and 4.73 ft of 2-hydroxyiminomalonate diethyl ester and 3 ml of N-N-dimethylaniline were added to this solution at 5° C. in a nitrogen stream. ..
A solution of 039 dissolved in 30 ml of benzene was added over 40 minutes, and the mixture was stirred at the same temperature for 1 hour and then at room temperature overnight.

このようにして製した2−クロロカルボニルオキシイミ
ノマロン酸ジエチルエステルを含有する反応液に、5℃
でp−メトキシベンジルアルコール3.;lおよヒヒリ
ジン4.04m1をベンゼン30m1に溶解した溶液を
40分間を要して滴下する。
The reaction solution containing diethyl 2-chlorocarbonyloxyiminomalonate prepared in this manner was added at 5°C.
p-methoxybenzyl alcohol3. A solution prepared by dissolving 4.04 ml of 1 and hihyridine in 30 ml of benzene is added dropwise over a period of 40 minutes.

同温で2時間攪拌後、室温で3時間攪拌し、一夜放置す
る。
After stirring at the same temperature for 2 hours, stirring at room temperature for 3 hours, and leaving overnight.

反応液に冷水100TLlを加え、不溶物を溶解し、つ
いで冷却した1N塩酸20m1を加えて振とうしたのち
、有機層はIN塩酸20m1で3回、5%炭酸ナトリウ
ム水溶液20rfLlで3回、塩化ナトリウム水溶液の
順で洗浄し、硫酸マグネシウムで乾燥する。
100 TL of cold water was added to the reaction solution to dissolve insoluble materials, and then 20 ml of cooled 1N hydrochloric acid was added and shaken. Wash with aqueous solution and dry with magnesium sulfate.

乾燥後、溶媒を留去すると淡かっ色消状物の2−(p−
7トキシベンジルオキンカルボニルオキシイミノ)マロ
ン酸ジエチルエステル6.89fを得る。
After drying, the solvent is distilled off, leaving a pale brownish 2-(p-
7-toxybenzyloquine carbonyloxyimino)malonic acid diethyl ester 6.89f is obtained.

このものは放置すると結晶化した。This substance crystallized when left alone.

核磁気共鳴吸収スペクトル(δ、CCl4)1.33(
3H,t)、1.37 (3I−1,t )、3.80
(3H,s )、4.39 (4H,q )、5.2
3 (2H,s )、6.88.7.38(4,HlA
Bq ) 実施例 2 ホスゲ/2♂を含むベンゼンL2.4ml溶液にエーテ
ル10m1を加え、ついで−10℃でp−メトキシベン
ジルアルコール2.761−エーテル10m7に溶解し
た溶液を攪拌下、発熱に注意しながら25分間を要して
滴下する。
Nuclear magnetic resonance absorption spectrum (δ, CCl4) 1.33 (
3H,t), 1.37 (3I-1,t), 3.80
(3H,s), 4.39 (4H,q), 5.2
3 (2H,s), 6.88.7.38 (4, HlA
Bq) Example 2 10 ml of ether was added to a 2.4 ml solution of benzene L containing phosge/2♂, and then a solution of 2.761 p-methoxybenzyl alcohol dissolved in 10 ml of ether was stirred at -10°C, taking care not to generate heat. It takes 25 minutes to add the mixture dropwise.

−10〜−7℃で20分攪拌後、窒素ガスを同温で15
分間通じ、ホスゲンを除去する。
After stirring at -10 to -7℃ for 20 minutes, nitrogen gas was added at the same temperature for 15 minutes.
to remove phosgene.

このようにして製したクロロぎ酸のp−メトキシベンジ
ルエステルを含む液に2−ヒドロキシイミノマロン酸ジ
エチルエステル3.78?をベンゼン20m1に溶解し
た溶液を10分間で加え、ついで−7〜−2℃でトリエ
チルアミン5.6 rulをベンゼン20m1に溶解し
た溶液を30分間を要して加える。
The thus prepared solution containing p-methoxybenzyl ester of chloroformic acid contains 3.78% of diethyl 2-hydroxyiminomalonate. A solution of 5.6 rul of triethylamine dissolved in 20 ml of benzene was added over a period of 10 minutes, and then a solution of 5.6 rul of triethylamine dissolved in 20 ml of benzene was added over a period of 30 minutes at -7 to -2°C.

滴下後、ベンゼン20m1を加え、5℃で30分、室温
で1時間攪拌したのち64時間放置する。
After the dropwise addition, 20 ml of benzene was added, and the mixture was stirred at 5° C. for 30 minutes and at room temperature for 1 hour, and then left to stand for 64 hours.

反応液に水を加えて不溶物を溶解し、有機層は水、0.
5 M <えん酸20Tllで3回、5%炭酸ナトリウ
ム水溶液2Qmgで3回、ついで塩化すトリウム水溶液
で洗浄したのち硫酸マグネシウムで乾燥する。
Water was added to the reaction solution to dissolve insoluble matter, and the organic layer was mixed with water and 0.0% water.
After washing with 20 Tll of 5 M < citric acid three times, three times with 2 Q mg of a 5% aqueous sodium carbonate solution, and then an aqueous thorium chloride solution, drying with magnesium sulfate.

乾燥後、溶媒を留去すると油状の2−(p−メトキシベ
ンジルオキシカルボニルオキシイミノ)マロン酸ジエチ
ルエステル5.62fを得る。
After drying, the solvent is distilled off to obtain oily 2-(p-methoxybenzyloxycarbonyloxyimino)malonic acid diethyl ester 5.62f.

Claims (1)

【特許請求の範囲】 1 一般式 (式中、Xはハロゲン、Yおよび2はエステル化された
カルボキシ基をそれぞれ意味する)で示されるハロカル
ボニルオキシイミノ誘導体に一般式 (式中、Rはアルコキシ基で置換されたアラルキル基を
意味する) で示されるアルコール類を作用させて一般式(式中、 R1 YおよびZは前と同じ意味) で示される炭酸エステル類を得ることを特徴とする炭酸
エステル類の合成法。 2 一般式 (式中、Yおよび2はエステル化されたカルボキシ基を
それぞれ意味する) で示されるオキシム誘導体またはその塩類に一般式 (式中、Rはアルコキシ基で置換されたアラルキル基、
Xはハロゲンをそれぞれ意味する)で示されるハロぎ酸
エステル類を作用させて一般式 (式中、R,YおよびZは前と同じ意味)で示される炭
酸エステル類を得ることを特徴とする炭酸エステル類の
合成法。
[Scope of Claims] 1 A halocarbonyloximino derivative represented by the general formula (wherein, (meaning an aralkyl group substituted with a group) by reacting with an alcohol represented by Synthesis method of esters. 2 An oxime derivative or a salt thereof represented by the general formula (in the formula, Y and 2 each mean an esterified carboxy group),
X means a halogen) to obtain carbonate esters represented by the general formula (wherein R, Y and Z have the same meanings as before). Synthesis method of carbonate esters.
JP10936274A 1974-08-27 1974-09-21 Tansan Ester Rui no Gouseihou Expired JPS5828273B2 (en)

Priority Applications (13)

Application Number Priority Date Filing Date Title
JP10936274A JPS5828273B2 (en) 1974-09-21 1974-09-21 Tansan Ester Rui no Gouseihou
IT2656475A IT1042036B (en) 1974-08-27 1975-08-25 New carbonic acid esters - for temporary protection of amino and/or imino gps by introduction of esterified carboxy type gps
BE159438A BE832716A (en) 1974-08-27 1975-08-25 PROCESS FOR PREPARATION OF CARBONIC ACID ESTERS, NEW PRODUCTS THUS OBTAINED AND THEIR USE FOR THE INTRODUCTION OF PROTECTIVE GROUPS OF THE ESTERIFIED CARBOXY TYPE
DK384475A DK384475A (en) 1974-08-27 1975-08-26 CARBONIC ACID RESIDENTS
US05/607,759 US4010178A (en) 1974-08-27 1975-08-26 Carbonic acid esters, and the preparation thereof and their use
SE7509492A SE436198B (en) 1974-08-27 1975-08-26 NITROGEN CONTAINING CARBOXYLIC ACID ESTERS FOR USE AS A MENT FOR THE INFORMATION OF AMINO AND / OR IMINOGRUPT PROTECTIVE GROUPS, AS USED BY THE EASTERS
FR7526422A FR2286130A1 (en) 1974-08-27 1975-08-27 PROCESS FOR PREPARATION OF CARBONIC ACID ESTERS, NEW PRODUCTS THUS OBTAINED AND THEIR USE FOR THE INTRODUCTION OF PROTECTIVE GROUPS OF THE ESTERIFIED CARBOXY TYPE
HU75FU339A HU175365B (en) 1974-08-27 1975-08-27 Process for the protection of amino and/or imino groups by means of carbonic acid esters and process for preparing new carbonic acid esters
CA234,303A CA1055950A (en) 1974-08-27 1975-08-27 Carbonic acid esters, and the preparation thereof and their use
GB35441/75A GB1517946A (en) 1974-08-27 1975-08-27 Carbonic acid esters and the preparation thereof
NL7510136A NL7510136A (en) 1974-08-27 1975-08-27 PROCESS FOR THE PREPARATION OF CARBON ACID ESTERS.
CH1111175A CH624664A5 (en) 1974-08-27 1975-08-27 Process for preparing novel carbonic esters
DE19752538138 DE2538138A1 (en) 1974-08-27 1975-08-27 PROCESS FOR PROTECTING THE AMINO AND/OR IMINO GROUP(S) IN A COMPOUND CONTAINING ONE OR MORE AMINO AND/OR IMINO GROUPS, CARBON ACID ESTERS AND PROCESS FOR THEIR PREPARATION

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10936274A JPS5828273B2 (en) 1974-09-21 1974-09-21 Tansan Ester Rui no Gouseihou

Publications (2)

Publication Number Publication Date
JPS5136422A JPS5136422A (en) 1976-03-27
JPS5828273B2 true JPS5828273B2 (en) 1983-06-15

Family

ID=14508293

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10936274A Expired JPS5828273B2 (en) 1974-08-27 1974-09-21 Tansan Ester Rui no Gouseihou

Country Status (1)

Country Link
JP (1) JPS5828273B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09152250A (en) * 1995-11-30 1997-06-10 Samsung Electronics Co Ltd Mounting structure of evaporator pipe of refrigerator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09152250A (en) * 1995-11-30 1997-06-10 Samsung Electronics Co Ltd Mounting structure of evaporator pipe of refrigerator

Also Published As

Publication number Publication date
JPS5136422A (en) 1976-03-27

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