JPH11255730A - Production of alpha-aminonitriles - Google Patents

Production of alpha-aminonitriles

Info

Publication number
JPH11255730A
JPH11255730A JP10060194A JP6019498A JPH11255730A JP H11255730 A JPH11255730 A JP H11255730A JP 10060194 A JP10060194 A JP 10060194A JP 6019498 A JP6019498 A JP 6019498A JP H11255730 A JPH11255730 A JP H11255730A
Authority
JP
Japan
Prior art keywords
aminonitrile
reaction
formula
sncn
producing
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
JP10060194A
Other languages
Japanese (ja)
Other versions
JP3594793B2 (en
Inventor
Osamu Kobayashi
修 小林
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.)
Japan Science and Technology Agency
Original Assignee
Japan Science and Technology Corp
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 Japan Science and Technology Corp filed Critical Japan Science and Technology Corp
Priority to JP6019498A priority Critical patent/JP3594793B2/en
Publication of JPH11255730A publication Critical patent/JPH11255730A/en
Application granted granted Critical
Publication of JP3594793B2 publication Critical patent/JP3594793B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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

PROBLEM TO BE SOLVED: To provide a method capable of producing an α-aminonitrile in a stably high yield in a reaction not only in an organic solvent but also in a water medium in a Strecker type reaction. SOLUTION: An α-aminonitrile of the formula (R<1> and R<2> are each a hydrocarbon group or a heterocyclic group) is produced by reacting an aldehyde of the formula R<1> CHO with an amine of the formula R<2> NH2 and tributyltin cyanide of the formula Bu3 SnCN in the presence of a rare earth Lewis acid catalyst.

Description

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

【0001】[0001]

【発明の属する技術分野】この出願は、α−アミノニト
リルの製造方法に関するものである。さらに詳しくは、
この出願の発明は、生理活性物質としてα−アミノ酸の
合成等にとって有用なα−アミノニトリルの製造方法に
関するものである。
TECHNICAL FIELD The present application relates to a method for producing α-aminonitrile. For more information,
The invention of this application relates to a method for producing α-aminonitrile, which is useful for the synthesis of α-amino acids as a physiologically active substance.

【0002】[0002]

【従来の技術と発明の課題】α−アミノ酸は、医薬品等
に用いられる生理活性物質として各種のものが知られて
おり、このような有用性の高いα−アミノ酸を、α−ア
ミノニトリル類をその合成中間体として合成することが
従来より考えられてきている。α−アミノニトリル類
は、α−アミノ酸だけでなく、たとえばチアジアゾール
類やイミダゾール類等の含窒素複素環化合物のための合
成中間体としても有用なものであるが、その代表的な製
造方法の一つとして、Strecker反応が知られている。
2. Description of the Related Art Various kinds of α-amino acids are known as physiologically active substances used in pharmaceuticals and the like. Such highly useful α-amino acids include α-amino nitriles. Synthesis as a synthetic intermediate has been conventionally considered. α-Aminonitriles are useful not only as α-amino acids but also as synthetic intermediates for nitrogen-containing heterocyclic compounds such as thiadiazoles and imidazoles. As one, the Strecker reaction is known.

【0003】しかしながら、このStrecker反応では原料
物質の一つとして青酸(HCN)を用いることから安全
性に大きな問題があった。そこで、これまでにも、より
安全性の高い合成方法の開発が検討されてきており、具
体的にも、改良されたStrecker反応として、シアノ源と
してトリメチルシリルシアニド(TMSCN)を用いる
方法が提案されてもいる。
[0003] However, in the Strecker reaction, hydrocyanic acid (HCN) is used as one of the starting materials, so there is a serious problem in safety. Therefore, the development of a safer synthesis method has been studied so far. Specifically, a method using trimethylsilyl cyanide (TMSCN) as a cyano source has been proposed as an improved Strecker reaction. I have.

【0004】このトリメチルシリルシアニド(TMSC
N)を用いる方法は確かに反応性が良好で、より安全な
ものであるが、トリメチルシリルシアニド(TMSC
N)そのものが水分の存在によって容易に加水分解され
やすく、反応は、厳密に水分の存在しない状態において
行わなければならないという問題があった。このような
制約は、実際上Strecker型反応によりα−アミノニトリ
ル合成を行う場合の極めて大きな問題となっていた。
This trimethylsilyl cyanide (TMSC
The method using N) is certainly more reactive and safer, but the method using trimethylsilyl cyanide (TMSC
There is a problem that N) itself is easily hydrolyzed by the presence of water, and the reaction must be performed strictly in the absence of water. Such a restriction has actually become a very serious problem when synthesizing α-aminonitrile by a Strecker-type reaction.

【0005】そこで、この出願の発明は、以上のとおり
のStrecker型反応における従来技術の問題を解消し、水
分が存在する状態であっても安定して優れた効率のもと
にα−アミノニトリル合成を可能とし、さらには有機溶
媒中だけでなく、水媒体中での反応としても安定して高
い収率でα−アミノニトリルを製造することのできる、
α−アミノニトリルの新しい製造方法を提供することを
課題としている。
Accordingly, the invention of this application solves the above-mentioned problems of the prior art in the Strecker-type reaction, and stably achieves excellent α-aminonitrile even in the presence of water under excellent efficiency. It is possible to synthesize α-aminonitrile stably in a high yield, not only in an organic solvent but also in a reaction in an aqueous medium,
It is an object of the present invention to provide a new method for producing α-aminonitrile.

【0006】[0006]

【課題を解決するための手段】この出願は、上記の課題
を解決するために、次式
SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present application provides the following formula.

【0007】[0007]

【化2】 Embedded image

【0008】(R1 およびR2 は、各々、置換基を有し
ていてもよい炭化水素基もしくは複素環基を示す)で表
わされるα−アミノニトリル類の製造方法であって、次
式 R1 CHO (II) (R1 は前記と同じものを示す)で表わされるアルデヒ
ド類と、次式 R2 NH2 (III) (R2 は前記と同じものを示す)で表わされるアミン
類、並びに Bu3 SnCN で表わされるトリブチル錫シアニドとを、希土類ルイス
酸触媒の存在下に反応させることを特徴とするα−アミ
ノニトリル類の製造方法を提供する。
(Wherein R 1 and R 2 each represent a hydrocarbon group or a heterocyclic group which may have a substituent), and a method for producing an α-aminonitrile represented by the following formula: Aldehydes represented by 1 CHO (II) (R 1 is as defined above), amines represented by the following formula R 2 NH 2 (III) (R 2 is as defined above), and Disclosed is a method for producing α-aminonitrile, which comprises reacting tributyltin cyanide represented by Bu 3 SnCN with a rare earth Lewis acid catalyst.

【0009】また、この出願は、第1の発明に関連し
て、第2の発明として、水または有機溶媒中において反
応させるα−アミノニトリル類の製造方法を、第3の発
明として、反応混合物より(Bu3 Sn)2 Oを分離回
収し、シアノ化剤Bu3 SnCNとして再使用するα−
アミノニトリルの製造方法を提供する。
This application relates to a first invention, a method for producing α-aminonitrile which is reacted in water or an organic solvent as a second invention, and a reaction mixture as a third invention. (Bu 3 Sn) 2 O is separated and recovered from the mixture, and α- is reused as the cyanating agent Bu 3 SnCN.
Provided is a method for producing aminonitrile.

【0010】[0010]

【発明の実施の形態】この出願の発明は以上のとおりの
特徴を持つものであるが、以下にその実施の形態につい
て説明する。まず、この発明の方法における出発物質と
しては、前記のとおりのR1 CHO(II)のアルデヒド
類とR2 NH2 (III) のアミン類を用いるが、両者の符
号R 1 およびR2 は、反応を阻害しない限り任意のもの
であってよく、置換基を有していてもよい炭化水素基あ
るいは複素環基である。
DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention of this application is as described above.
It has features, but its embodiment is described below.
Will be explained. First, the starting material in the method of the present invention and
Then, as described above, R1Aldehydes of CHO (II)
Kinds and RTwoNHTwoThe amines of (III) are used.
No.R 1And RTwoIs arbitrary unless it inhibits the reaction
And a hydrocarbon group which may have a substituent.
Or a heterocyclic group.

【0011】炭化水素基としては、鎖状または環状の、
飽和または不飽和の、脂肪族、脂環式、あるいは芳香族
の炭化水素や芳香脂肪族の炭化水素の各種のものでよ
く、複素環化合物についても、含窒素複素環化合物、含
酸素複素環化合物、含硫複素環化合物等の各種のもので
あってよい。そして、これらの炭化水素および複素環化
合物は、反応を阻害しない限り、各種の置換基を有して
いてもよい。これらの置換基としては、たとえばアルキ
ル基、アルケニル基、アリール基等の炭化水素基、ハロ
ゲン原子、アルコキシ基、アシルオキシ基、アルコキシ
カルボニル基、ニトロ基、シアノ基等の各種のものが考
慮される。
As the hydrocarbon group, a chain or cyclic group
Saturated or unsaturated, aliphatic, alicyclic, or aromatic hydrocarbons and various kinds of araliphatic hydrocarbons may be used. As for heterocyclic compounds, nitrogen-containing heterocyclic compounds, oxygen-containing heterocyclic compounds And various sulfur-containing heterocyclic compounds. These hydrocarbons and heterocyclic compounds may have various substituents as long as they do not inhibit the reaction. As these substituents, various groups such as hydrocarbon groups such as alkyl groups, alkenyl groups, and aryl groups, halogen atoms, alkoxy groups, acyloxy groups, alkoxycarbonyl groups, nitro groups, and cyano groups are considered.

【0012】また、この発明の方法の出発物質のもう一
つのものが、Bu3 SnCN:トリブチル錫シアニドで
ある。このBu3 SnCN:トリブチル錫シアニドその
ものは、公知のもの〔(a) J.G.A.Luijten and G.J.M.va
n der Kerk, “Investigations in the Field of Organ
otin Chemistry, ”Tin Reseach Institute, Greenfor
d, 1995, p.106; (b) M.Tanaka, Tetrahedron Lett., 1
980, 21, 2959; (c) S.Harusawa, R.Yoneda, Y.Omori a
nd T.Kurihara, Tetrahedron Lett., 1987, 28, 418
9.〕であるが、Strecker型反応においてこのものを用い
ること、並びにその結果として、有機溶媒中での反応、
さらには水媒体中での反応のいずれにおいても安定し
て、優れた収率でα−アミノニトリルの合成が可能とさ
れることは従来全く知られていない。
Another starting material for the process of the present invention is Bu 3 SnCN: tributyltin cyanide. This Bu 3 SnCN: tributyltin cyanide itself is known [(a) JGALuijten and GJMva
n der Kerk, “Investigations in the Field of Organ
otin Chemistry, ”Tin Reseach Institute, Greenfor
d, 1995, p.106; (b) M. Tanaka, Tetrahedron Lett., 1
980, 21, 2959; (c) S. Harusawa, R. Yoneda, Y. Omori a
nd T. Kurihara, Tetrahedron Lett., 1987, 28, 418
9.), but use this in a Strecker-type reaction, and consequently, a reaction in an organic solvent,
Furthermore, it has never been known that α-aminonitrile can be synthesized stably in any reaction in an aqueous medium and with excellent yield.

【0013】そして、この発明においては、Bu3 Sn
CNを用いることにともなって、毒性の高いSn化合物
の反応後の回収とその再利用を可能としていることも大
きな特徴である。前記式(II)のアルデヒド類と、式(I
II) アミン類と、このBu3 SnCNとを反応させて、
式(I)のα−アミノニトリル類を製造する際には、そ
の使用割合については、モル比としては、アルデヒド
類:アミン類:Bu3 SnCNが1:0.5〜1.5:
0.5〜2.5程度を目安とすることができる。より好
ましくは1:0.8〜1.2:1〜1.8の割合であ
る。
In the present invention, Bu 3 Sn
It is also a great feature that the use of CN enables recovery and reuse of highly toxic Sn compounds after the reaction. An aldehyde of the formula (II) and a compound of the formula (I
II) reacting amines with this Bu 3 SnCN,
In producing the α-aminonitrile of the formula (I), the molar ratio of aldehydes: amines: Bu 3 SnCN is 1: 0.5 to 1.5:
About 0.5 to 2.5 can be used as a guide. More preferably, the ratio is 1: 0.8 to 1.2: 1 to 1.8.

【0014】反応には、希土類ルイス酸触媒を用いる。
この場合の希土類元素としては各種のもの、すなわち、
Sc,Yb,Y,Sm,Nd,Eu等の各種のものでよ
く、なかでも、Sc(スカンジウム),Yb(イッテル
ビウム)が適当なものとして挙げられる。これら希土類
金属元素をもって構成されるルイス酸触媒は、希土類元
素の有機酸エステル塩、アルコラート、有機金属化合物
等のうちのルイス酸性を持つ化合物の各種のものとして
使用される。なかでも、希土類トリフレート:RE(O
Tf)3 、すなわち希土類トリフルオロメタンスルホネ
ートが好適なものの一つとして例示される。たとえばS
c(OTf)3 ,Yb(OTf)3 等である。
The reaction uses a rare earth Lewis acid catalyst.
Various kinds of rare earth elements in this case, that is,
Various materials such as Sc, Yb, Y, Sm, Nd, and Eu may be used. Among them, Sc (scandium) and Yb (ytterbium) are suitable. These Lewis acid catalysts composed of rare earth metal elements are used as various kinds of compounds having Lewis acidity among organic acid ester salts of rare earth elements, alcoholates, organometallic compounds and the like. Above all, rare earth triflate: RE (O
Tf) 3 , ie, rare earth trifluoromethanesulfonate, is exemplified as one of the preferred ones. For example, S
c (OTf) 3 , Yb (OTf) 3 and the like.

【0015】以上のような希土類ルイス酸触媒は、α−
アミノニトリルの合成反応では、前記アルデヒド類に対
しての使用割合としては、一般的には0.01〜100
モル%、より好ましくは、1〜50モル%、さらには5
〜30モル%とすることが考慮される。反応は、有機溶
媒中において、あるいは水中において行われる。有機溶
媒については、ベンゼン、トルエン等の芳香族炭化水
素、アセトニトリル、プロピオニトリル等のニトリル
類、ジクロロメタン等のハロゲン化炭化水素等の適宜な
ものが、単独もしくは混合溶媒として使用される。この
際に特筆すべきことは、この発明においては、モレキュ
ラーシーブ、MgSO4 等の脱水剤、吸湿剤等を一切必
要とする必要がないことである。水分が存在しても反応
は安定に進行し、高い収率でのα−アミノニトリルの合
成が可能とされる。
The rare earth Lewis acid catalyst as described above has an α-
In the synthesis reaction of aminonitrile, the use ratio to the aldehyde is generally 0.01 to 100.
Mol%, more preferably 1 to 50 mol%, even more preferably 5 to 50 mol%.
-30 mol% is considered. The reaction is performed in an organic solvent or in water. As the organic solvent, an appropriate solvent such as an aromatic hydrocarbon such as benzene or toluene, a nitrile such as acetonitrile or propionitrile, or a halogenated hydrocarbon such as dichloromethane is used alone or as a mixed solvent. In this case, it should be noted that, in the present invention, there is no need to use a molecular sieve, a dehydrating agent such as MgSO 4 , a hygroscopic agent, or the like. The reaction proceeds stably even in the presence of water, and it is possible to synthesize α-aminonitrile with a high yield.

【0016】また、水中においても反応も、安定に進行
し、界面活性剤を一切使用する必要がない。この場合に
も、高い収率でα−アミノニトリルの合成が可能とされ
る。反応温度は、一般的には−20〜40℃程度でよ
く、反応基質や触媒の種類とその使用量によっても相違
するが、室温あるいはその近傍の温度であってもよい。
The reaction proceeds stably even in water, and there is no need to use any surfactant. Also in this case, the synthesis of α-aminonitrile can be achieved with a high yield. The reaction temperature may generally be about −20 to 40 ° C., and varies depending on the type of the reaction substrate and the catalyst and the amount used, but may be room temperature or a temperature near the room temperature.

【0017】反応の終了後、毒性のあるSn化合物がこ
の発明において(Bu3 Sn)2 Oとして回収される。
このものは、すでに知られている方法〔A.G.Davies, D.
C.Kleinschmidt, P.R.Palan and S.C.Vasishtha, J.Che
m. Soc. (C), 1971, 3972.〕〔(a) J.G.A.Luijten and
G.J.M.van der Kerk, “Investigations in the Field
of Organotin Chemistry, ”Tin Reseach Institute, G
reenford, 1995, p.106; (b) M.Tanaka, Tetrahedron L
ett., 1980, 21, 2959; (c) S.Harusawa, R.Yoneda, Y.
Omori and T.Kurihara, Tetrahedron Lett., 1987, 28,
4189.〕に従って、Bu3 SnCl、さらにはBu3
nCNに変換して再利用することが可能となる。
After completion of the reaction, the toxic Sn compound is recovered as (Bu 3 Sn) 2 O in the present invention.
This can be done in a known manner (AGDavies, D.
C. Kleinschmidt, PRPalan and SCVasishtha, J. Che
m. Soc. (C), 1971, 3972.] [(a) JGALuijten and
GJMvan der Kerk, “Investigations in the Field
of Organotin Chemistry, ”Tin Reseach Institute, G
reenford, 1995, p.106; (b) M.Tanaka, Tetrahedron L
ett., 1980, 21, 2959; (c) S. Harusawa, R. Yoneda, Y.
Omori and T. Kurihara, Tetrahedron Lett., 1987, 28,
4189.], Bu 3 SnCl and further Bu 3 S
It can be converted to nCN and reused.

【0018】希土類ルイス酸触媒についても同様に回収
して再利用することが可能である。毒性のあるSn化合
物を循環再利用することは、この発明の方法が環境面へ
の配慮にも優れたものとして実用的価値が大きいもので
あることを意味している。なお、この発明の方法により
合成されたα−アミノニトリルは、たとえば従来公知の
方法〔M.S.Iyer, K.M.Gigstad, N.D.Namdev and M.Lipt
on, J. Am. Chem.Soc., 1996, 118, 4910.〕等によりα
−アミノ酸へと導くことができ、さらに別途に有用な複
素環化合物へと導くことができる。
The rare earth Lewis acid catalyst can be similarly recovered and reused. Recycling the toxic Sn compound means that the method of the present invention has great practical value as being excellent in environmental considerations. The α-aminonitrile synthesized by the method of the present invention can be produced, for example, by a conventionally known method [MSIyer, KMGigstad, NDNamdev and M. Lipt
on, J. Am. Chem. Soc., 1996, 118, 4910.
-Can lead to amino acids and further to useful heterocyclic compounds.

【0019】そこで以下に実施例を示し、さらに詳しく
この出願の発明について説明する。
The present invention will be described in more detail with reference to the following examples.

【0020】[0020]

【実施例】(実施例1)Sc(OTf)3 (0.05m
mol,10mol%)の水溶液(3ml)を、ジフェ
ニルメチルアミン(0.5mmol),Bu3 SnCN
(0.75mmol)およびバレルアルデヒド(0.5
mmol)と混合し、室温において攪拌した。
EXAMPLES (Example 1) Sc (OTf) 3 (0.05 m
mol, 10 mol%) in diphenylmethylamine (0.5 mmol), Bu 3 SnCN
(0.75 mmol) and valeraldehyde (0.5
mmol) and stirred at room temperature.

【0021】20時間後、反応混合物を水で稀釈し、水
性相を酢酸エチルで抽出した。水性相より定量的にSc
(OTf)3 を回収し、このものは再利用した。また、
全ての有機相は乾燥、濾過および濃縮した。得られた粗
生成物は、THF:IN HCl(4:1,3ml)に
より室温において1時間処理した。ヘキサンおよび飽和
NaHCO3 水溶液を加え、水性相を酢酸エチルにより
抽出した。全ての有機相を乾燥、濾過および濃縮した。
After 20 hours, the reaction mixture was diluted with water and the aqueous phase was extracted with ethyl acetate. Sc more quantitatively than aqueous phase
(OTf) 3 was recovered and reused. Also,
All organic phases were dried, filtered and concentrated. The resulting crude product was treated with THF: IN HCl (4: 1, 3 ml) for 1 hour at room temperature. Hexane and saturated aqueous NaHCO 3 were added and the aqueous phase was extracted with ethyl acetate. All organic phases were dried, filtered and concentrated.

【0022】アルミナのカラムクロマトグラフにより精
製し、生成物α−アミノニトリルである、α−(N−ジ
フェニルメチル)−バレロニトリルを収率94%で得
た。また、メタノールで溶出することにより、(Bu3
Sn)2 Oを定量的(>98%)に回収した。 (実施例2)実施例1において、アセトニトリル:トル
エン(1:1)の混合溶媒を用いて反応を行った。その
結果、α−(N−ジフェイルメチル)−バレロニトリ
ル)を収率84%で得た。 (実施例3)実施例1および実施例2と同様にして、表
1に示したとおりの各種のアルデヒド類を出発物質とし
て反応を行った。
The product was purified by alumina column chromatography to obtain the product α-aminonitrile, α- (N-diphenylmethyl) -valeronitrile, at a yield of 94%. Further, by eluting with methanol, (Bu 3
Sn) 2 O was recovered quantitatively (> 98%). (Example 2) In Example 1, the reaction was carried out using a mixed solvent of acetonitrile: toluene (1: 1). As a result, α- (N-diphenylmethyl) -valeronitrile) was obtained with a yield of 84%. (Example 3) In the same manner as in Examples 1 and 2, a reaction was carried out using various aldehydes shown in Table 1 as starting materials.

【0023】その結果を表1に示した。The results are shown in Table 1.

【0024】[0024]

【表1】 [Table 1]

【0025】[0025]

【発明の効果】この発明によって、以上詳しく説明した
とおり、有機溶媒中だけでなく、水媒体中での反応とし
ても安定して高い収率でα−アミノニトリルの製造を可
能とする。また、触媒とともに、毒性のあるSn化合物
の回収と再利用をも可能とする。
According to the present invention, as described in detail above, it is possible to stably produce α-aminonitrile in a high yield not only in an organic solvent but also in an aqueous medium. In addition, recovery and reuse of the toxic Sn compound can be performed together with the catalyst.

Claims (3)

【特許請求の範囲】[Claims] 【請求項1】 次式 【化1】 (R1 およびR2 は、各々、置換基を有していてもよい
炭化水素基または複素環基を示す)で表わされるα−ア
ミノニトリル類の製造方法であって、次式 R1 CHO (II) (R1 は前記と同じものを示す)で表わされるアルデヒ
ド類と、次式 R2 NH2 (III) (R2 は前記と同じものを示す)で表わされるアミン
類、並びに Bu3 SnCN で表わされるトリブチル錫シアニドとを、希土類ルイス
酸触媒の存在下に反応させることを特徴とするα−アミ
ノニトリル類の製造方法。
1. The following formula: (Wherein R 1 and R 2 each represent a hydrocarbon group or a heterocyclic group which may have a substituent), which is a method for producing an α-aminonitrile represented by the following formula: R 1 CHO ( II) aldehydes represented by (R 1 represents the same as described above), amines represented by the following formula R 2 NH 2 (III) (R 2 represents the same as described above), and Bu 3 SnCN A process for producing α-aminonitrile, characterized by reacting tributyltin cyanide represented by the formula (1) in the presence of a rare earth Lewis acid catalyst.
【請求項2】 水または有機溶媒中において反応させる
請求項1のα−アミノニトリル類の製造方法。
2. The method according to claim 1, wherein the reaction is carried out in water or an organic solvent.
【請求項3】 請求項1または2の方法において、反応
混合物より(Bu3Sn)2 Oを分離回収し、シアノ化
剤Bu3 SnCNとして再使用するα−アミノニトリル
類の製造方法。
3. The method according to claim 1, wherein (Bu 3 Sn) 2 O is separated and recovered from the reaction mixture and reused as the cyanating agent Bu 3 SnCN.
JP6019498A 1998-03-11 1998-03-11 Method for producing α-aminonitrile Expired - Fee Related JP3594793B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6019498A JP3594793B2 (en) 1998-03-11 1998-03-11 Method for producing α-aminonitrile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6019498A JP3594793B2 (en) 1998-03-11 1998-03-11 Method for producing α-aminonitrile

Publications (2)

Publication Number Publication Date
JPH11255730A true JPH11255730A (en) 1999-09-21
JP3594793B2 JP3594793B2 (en) 2004-12-02

Family

ID=13135115

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6019498A Expired - Fee Related JP3594793B2 (en) 1998-03-11 1998-03-11 Method for producing α-aminonitrile

Country Status (1)

Country Link
JP (1) JP3594793B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009268965A (en) * 2008-05-07 2009-11-19 National Institute Of Advanced Industrial & Technology CATALYST FOR PRODUCING alpha-AMINO NITRILE

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009268965A (en) * 2008-05-07 2009-11-19 National Institute Of Advanced Industrial & Technology CATALYST FOR PRODUCING alpha-AMINO NITRILE

Also Published As

Publication number Publication date
JP3594793B2 (en) 2004-12-02

Similar Documents

Publication Publication Date Title
JP5113118B2 (en) Reagent for organic synthesis, and organic synthesis reaction method using the reagent
JP5427167B2 (en) Method for asymmetric cyanation of titanium compound and imine
JP5426556B2 (en) Method for asymmetric cyanation of imine
JP3594793B2 (en) Method for producing α-aminonitrile
JP3634207B2 (en) Process for producing optically active α-amino nitrile and α-amino acids
CN114478424B (en) Preparation method of azlactone derivative with cycloalkenyl substituted at beta position
Iovel et al. Addition of Me3SiCN to trifluoromethyl derivates of N‐(pyridylmethylidene) anilines catalyzed by Lewis acids
JP3547590B2 (en) Asymmetric zirconium catalyst
US6284912B1 (en) Process for synthesizing para-and/or meta-substituted cyanophenyalanine derivatives
JPH11253813A (en) Chiral zirconium catalyst and production of optically active alpha-aminonitrile
JP2003501411A (en) Novel method for producing optically active alpha-aminonitrile
JP4307106B2 (en) Process for producing 5-alkylidene-2-oxazolidinones
EP2208722A1 (en) Process for production of disulfonic acid compound, asymmetric mannich catalyst, process for production of -aminocarbonyl derivative, and novel disulfonate salt
JP3295258B2 (en) Process for producing oxime carbonate compound
JP3396065B2 (en) Method for producing heterocyclic compound
JP3542708B2 (en) Method for producing optically active amino alcohols
EP1072584B1 (en) Amine derivative fixed to resin and method for synthesizing beta-aminocarbonyl compound in a solid phase
CN115028544A (en) Method for catalyzing deformylation by using aromatic formamide and application of method
JPS61257954A (en) Production of schiff base
JP4268424B2 (en) Method for producing 2-oxazolidinones
JP3720568B2 (en) Process for producing hetero-chiral rare earth catalyst and asymmetric cyclic compound
KR100593643B1 (en) Method for preparing acid chloride using diphosgene
WO2006080576A1 (en) METHOD FOR ASYMMETRIC ALLYLATION OF α-IMINO ACID
JPH04346991A (en) Method for cyanogenating nucleophilic reaction-accepting compound and catalyst for asymmetric synthesis
JPH04295455A (en) Cyanation of nucleophilic reaction accepting compound and catalyst for asymmetric synthesis

Legal Events

Date Code Title Description
TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20040810

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20040901

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20080910

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20090910

Year of fee payment: 5

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100910

Year of fee payment: 6

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110910

Year of fee payment: 7

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120910

Year of fee payment: 8

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130910

Year of fee payment: 9

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees