JP2724906B2 - New phenylalanylaminoalkane derivatives - Google Patents
New phenylalanylaminoalkane derivativesInfo
- Publication number
- JP2724906B2 JP2724906B2 JP2192576A JP19257690A JP2724906B2 JP 2724906 B2 JP2724906 B2 JP 2724906B2 JP 2192576 A JP2192576 A JP 2192576A JP 19257690 A JP19257690 A JP 19257690A JP 2724906 B2 JP2724906 B2 JP 2724906B2
- Authority
- JP
- Japan
- Prior art keywords
- group
- acid
- melting point
- butoxycarbonylphenylalanyl
- compound
- 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
Links
Classifications
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups
Landscapes
- Pyrrole Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Description
【発明の詳細な説明】 (産業上の利用分野) 本発明は植物生長調節作用を有する新規フェニルアラ
ニルアミノアルカン誘導体に関する。Description: TECHNICAL FIELD The present invention relates to a novel phenylalanylaminoalkane derivative having a plant growth regulating action.
(従来の技術) 植物の根の発育を促進させることは、移植時活着性の
よい健苗の育成に効果を示すと共に、根の生理的活力を
高め、養水分の吸収能力を増大させる。特に植物の発根
促進剤は発芽後の初期生育や苗の移植時、さし木に対す
る有用性が高い。(Conventional technology) Promoting the growth of plant roots is effective in growing healthy seedlings with good rooting at the time of transplantation, increasing the physiological vitality of the roots and increasing the ability to absorb nutrient water. In particular, plant rooting promoters are highly useful for cuttings at the initial growth after germination and during transplantation of seedlings.
本発明者らは、有益な植物生長調節作用を有する化合
物を探索するうち、本発明化合物が優れた発根促進作用
を有することを見出し、本発明を完成した。The present inventors have searched for a compound having a beneficial plant growth regulating action, and have found that the compound of the present invention has an excellent rooting promoting action, and have completed the present invention.
(発明が解決しようとする問題点) 本発明の目的は、農園芸用薬剤等として有用な新規フ
ェニルアラニルアミノアルカン誘導体及びその合成中間
体を提供することにある。(Problems to be Solved by the Invention) An object of the present invention is to provide a novel phenylalanylaminoalkane derivative useful as an agricultural and horticultural drug and the like and a synthetic intermediate thereof.
(本発明を解決するための手段) 本発明化合物は下記一般式(I)で表される新規フェ
ニルアラニルアミノアルカン誘導体である。(Means for Solving the Invention) The compound of the present invention is a novel phenylalanylaminoalkane derivative represented by the following general formula (I).
〔式中、R1は水素又はアミノ基の保護基を表し、R2は水
素又はR3と共にトリメチレン若しくはヒドロキシトリメ
チレンを表し、R3はアルキル基、フェニル基、保護基を
有してもよいヒドロキシアルキル基、保護基を有しても
よいカルボキシアルキル基、保護基を有してもよいアミ
ノアルキル基又はR2と共にトリメチレン若しくはヒドロ
キシトリメチレンを表し、Xはスルホ基、アセチルチオ
基又はハロゲンを表わす。〕 上記一般式(I)において、R1の表すアミノ基の保護
基としては、ペプチド合成化学の分野で用いられている
通常の保護基が利用でき、即ち、t−ブトキシカルボニ
ル、t−ペントキシカルボニル基等の低級アルコキシカ
ルボニル基、ベンジルオキシカルボニル基、o−クロロ
ベンジルオキシカルボニル、p−ニトロベンジルオキシ
カルボニル、p−メトキシベンジルオキシカルボニル基
等の置換基を有するベンジルオキシカルボニル基、トシ
ル基、トリチル基、ホルミル基、フタロイル基、o−ニ
トロフェニルスルフェニル基、9−フルオレニルメチル
オキシカルボニル基などが挙げられる。 (In the formula, R 1 represents hydrogen or a protecting group for an amino group, R 2 together with hydrogen or R 3 represents trimethylene or hydroxytrimethylene, and R 3 may have an alkyl group, a phenyl group, or a protecting group. A hydroxyalkyl group, a carboxyalkyl group optionally having a protecting group, an aminoalkyl group optionally having a protecting group, or trimethylene or hydroxytrimethylene together with R 2 , and X represents a sulfo group, an acetylthio group or a halogen . In the general formula (I), as the protecting group for the amino group represented by R 1 , ordinary protecting groups used in the field of peptide synthesis chemistry can be used, that is, t-butoxycarbonyl, t-pentoxy. Benzyloxycarbonyl group having a substituent such as lower alkoxycarbonyl group such as carbonyl group, benzyloxycarbonyl group, o-chlorobenzyloxycarbonyl, p-nitrobenzyloxycarbonyl, p-methoxybenzyloxycarbonyl group, tosyl group, trityl Group, formyl group, phthaloyl group, o-nitrophenylsulfenyl group, 9-fluorenylmethyloxycarbonyl group and the like.
R2は水素又はR3と結合し共同してトリメチレン若しく
はヒドロキシトリメチレンを表す。R 2 is bonded to hydrogen or R 3 to form trimethylene or hydroxytrimethylene.
R3はアルキル基、好ましくはメチル、エチル、プロピ
ル、イソプロピル、ブチル、イソブチル、t−ブチル、
sec−ブチル、ペンチル、イソペンチル、t−ペンチ
ル、neo−ペンチル等の直鎖若しくは分枝状の炭素数1
乃至5のアルキル基、フェニル基、保護基を有してもよ
いヒドロキシアルキル、カルボキシアルキル若しくはア
ミノアルキル基、好ましくは保護基を有してもよい水酸
基、カルボキシル基若しくはアミノ基の結合したメチ
ル、エチル、プロピル、イソプロピル、ブチル、イソブ
チル、t−ブチル、sec−ブチル、ペンチル、イソペン
チル、neo−ペンチル、t−ペンチル基等の直鎖若しく
は分枝状の炭素数1乃至5のアルキル基、又はR2と共に
トリメチレン若しくはヒドロキシトリメチレンを表す。R 3 is an alkyl group, preferably methyl, ethyl, propyl, isopropyl, butyl, isobutyl, t-butyl,
straight or branched carbon number 1 such as sec-butyl, pentyl, isopentyl, t-pentyl, neo-pentyl, etc.
To 5 alkyl groups, phenyl groups, hydroxyalkyl, carboxyalkyl or aminoalkyl groups which may have a protecting group, preferably methyl, ethyl to which a hydroxyl group, a carboxyl group or an amino group which may have a protecting group are bonded. , propyl, isopropyl, butyl, isobutyl, t- butyl, sec- butyl, pentyl, isopentyl, neo-pentyl, straight-chain or branched alkyl group having 1 to 5 carbon atoms such as t-pentyl group, or R 2 Together with trimethylene or hydroxytrimethylene.
R3におけるアミノアルキル基の保護基しては、上記R1
と同様のアミノ基の保護基が利用できる。又、カルボキ
シアルキル基及びヒドロキシアルキル基の保護基として
は、通常のペプチド合成で用いられるカルボキシル基及
び水酸基の保護基、例えば、ベンジルオキシ基、p−メ
トキシベンジルオキシ等の置換ベンジルオキシ基又は4
−ピリジロキシル基などのカルボキシル基の保護基、或
いはベンジル基、クロロベンジル、ブロモベンジル等の
置換ベンジル基又はt−ブチル等の低級アルキル基など
の水酸基の保護基が挙げられる。Xはスルホ基、アセチ
ルチオ基又は塩素、臭素、沃素等のハロゲンを表す。As the protecting group for the aminoalkyl group in R 3 , R 1
The same amino-protecting group as described above can be used. The protecting groups for carboxyalkyl group and hydroxyalkyl group include carboxyl group and hydroxyl protecting groups used in ordinary peptide synthesis, for example, substituted benzyloxy group such as benzyloxy group and p-methoxybenzyloxy or
And carboxyl-protecting groups such as -pyridyloxyl group, or hydroxyl-protecting groups such as substituted benzyl group such as benzyl group, chlorobenzyl and bromobenzyl and lower alkyl group such as t-butyl. X represents a sulfo group, an acetylthio group, or a halogen such as chlorine, bromine or iodine.
本発明化合物はその薬学的に許容される塩を包含し、
例えば、塩酸、硫酸、硝酸、臭化水素酸、リン酸、過塩
素酸、チオシアン酸、ホウ酸、ギ酸、酢酸、ハロ酢酸、
プロピオン酸、グリコール酸、クエン酸、酒石酸、コハ
ク酸、グルコン酸、乳酸、マロン酸、フマール酸、アン
トラニル酸、安息香酸、ケイ皮酸、p−トルエンスルホ
ン酸、ナフタレンスルホン酸、スルファニル酸等の酸と
の酸付加塩、或いはナトリウム、カリウム等のアルカリ
金属、カルシウム、バリウム等のアルカリ土類金属、そ
の他のアルミニウム等の金属との塩、又はアンモニウ
ム、有機アミンとの塩などが挙げられる。The compound of the present invention includes a pharmaceutically acceptable salt thereof,
For example, hydrochloric acid, sulfuric acid, nitric acid, hydrobromic acid, phosphoric acid, perchloric acid, thiocyanic acid, boric acid, formic acid, acetic acid, haloacetate,
Acids such as propionic acid, glycolic acid, citric acid, tartaric acid, succinic acid, gluconic acid, lactic acid, malonic acid, fumaric acid, anthranilic acid, benzoic acid, cinnamic acid, p-toluenesulfonic acid, naphthalenesulfonic acid, and sulfanilic acid Or an alkali metal such as sodium or potassium, an alkaline earth metal such as calcium or barium, a salt with another metal such as aluminum, or a salt with ammonium or an organic amine.
又、本発明化合物はその金属錯化合物を包含し、例え
ば亜鉛、ニッケル、コバルト、銅、鉄等との錯化合物が
挙げられる。Further, the compound of the present invention includes its metal complex compound, for example, a complex compound with zinc, nickel, cobalt, copper, iron and the like.
これらの塩並びに金属錯化合物は公知の方法により遊
離の本発明フェニルアラニルアミノアルカン誘導体より
製造でき、或いは相互に変換することができる。These salts and metal complex compounds can be produced from the free phenylalanylaminoalkane derivative of the present invention by known methods, or can be mutually converted.
本発明化合物において光学異性体が存在する場合に
は、本発明はそのいずれをも包含する。When optical isomers exist in the compound of the present invention, the present invention includes both of them.
次に、本発明化合物の製造方法の一例を述べる。 Next, an example of the method for producing the compound of the present invention will be described.
(1)一般式(I)中のXが水酸基である化合物を出発
原料として本発明フェニルアラニルアミノアルカン誘導
体を製造することができる。例えば、上記原料物質を四
臭化炭素及びトリフェニルホスフィンによりハロゲン化
した後、アセトンやジメチルホルムアミド等の反応を阻
害しない適当な溶媒中でチオ酢酸と反応させることによ
りチオエート化する。次いで、チオエート体を過蟻酸酸
化等によりスルホン化して、上記一般式(I)中のXが
スルホ基である本発明化合物を得ることができる。(1) The phenylalanylaminoalkane derivative of the present invention can be produced using a compound in which X in the general formula (I) is a hydroxyl group as a starting material. For example, the raw material is halogenated with carbon tetrabromide and triphenylphosphine, and then thioated by reacting with thioacetic acid in a suitable solvent such as acetone or dimethylformamide that does not inhibit the reaction. Next, the thioate compound is sulfonated by formic acid oxidation or the like to obtain the compound of the present invention wherein X in the above general formula (I) is a sulfo group.
(2)2位に上記R3で示される置換基を有する2−アミ
ノエタン−1−ハロゲノ、同−1−アセチルチオ若しく
は同−1−スルホ誘導体と保護基を有するフェニルアラ
ニンを縮合することによっても本発明化合物を得ること
ができる。ハロゲノ誘導体を用いて縮合反応を行った場
合は引続いて上記(1)と同様にチオエート化及びスル
ホン化を行い、又、アセチルチオ誘導体を用いた場合も
同様にスルホン化して上記一般式(I)中のXがスルホ
基である本発明化合物を得ることができる。縮合反応と
しては、ペプチド合成化学における通常の方法を用いる
ことができ、例えばジシクロヘキシルカルボジイミド、
1−エチル−3−(3−ジメチルアミノプロピル)カル
ボジイミド等の縮合剤を使用する方法などを利用するこ
とができる。(2) The present invention can also be obtained by condensing 2-aminoethane-1-halogeno, 1-acetylthio or 1-sulfo derivative having the substituent represented by R 3 at the 2-position with phenylalanine having a protecting group. A compound can be obtained. When a condensation reaction is carried out using a halogeno derivative, thioation and sulfonation are subsequently carried out in the same manner as in the above (1). When an acetylthio derivative is used, sulfonation is carried out in the same manner as in the above formula (I) The compound of the present invention in which X is a sulfo group can be obtained. As the condensation reaction, an ordinary method in peptide synthesis chemistry can be used, for example, dicyclohexylcarbodiimide,
A method using a condensing agent such as 1-ethyl-3- (3-dimethylaminopropyl) carbodiimide can be used.
上述の縮合反応、ハロゲン化、チオエート化、スルホ
ン化等に際しては、出発物質の反応に関与しないアミノ
基、カルボキシル基及び水酸基などを通常のペプチド合
成等で用いられる保護基により保護しておくのが好まし
いが、反応の種類に応じて保護する必要のない場合もあ
る。保護基の脱離に関しては、保護基の種類によってそ
れぞれ好ましい脱保護基反応を適用できるが、ペプチド
合成化学で用いられる接触還元、酸分解等の通常の方法
が挙げられる。In the above-mentioned condensation reaction, halogenation, thioation, sulfonation, etc., it is preferable to protect amino groups, carboxyl groups, hydroxyl groups, etc. which are not involved in the reaction of the starting materials with protecting groups used in ordinary peptide synthesis and the like. Although preferred, protection may not be necessary depending on the type of reaction. Regarding the elimination of the protecting group, a preferred deprotecting group reaction can be applied depending on the type of the protecting group, and examples thereof include ordinary methods such as catalytic reduction and acid decomposition used in peptide synthesis chemistry.
スルホン化方法として過蟻酸酸化反応を用いると、保
護基としてt−ブトキシカルボニル等を用いた場合は過
蟻酸酸化と同時に脱保護基反応を行うことができ、又、
ベンジルオキシカルボニル等の保護基の場合には、過蟻
酸酸化後に過剰の過酸化物をパラジウム−炭素等で還元
する反応時に保護基を除去することができ、操作が簡便
で好ましい。When a formic acid oxidation reaction is used as a sulfonation method, when t-butoxycarbonyl or the like is used as a protecting group, a deprotecting group reaction can be performed simultaneously with the formic acid oxidation,
In the case of a protecting group such as benzyloxycarbonyl, the protecting group can be removed during the reaction of reducing excess peroxide with palladium-carbon or the like after formic acid oxidation, and the operation is simple and preferable.
得られた本発明化合物は、クロマトグラフィー、再結
晶等の通常の手段により精製し、元素分析、融点、IR、
NMR、UV、マススペクトル等により同定を行った。尚、
比旋光度はナトリウムのD線を用いて測定した。The obtained compound of the present invention is purified by ordinary means such as chromatography and recrystallization, and analyzed by elemental analysis, melting point, IR,
Identification was performed by NMR, UV, mass spectrum and the like. still,
The specific rotation was measured using the D line of sodium.
以下に、本発明製造方法の実施例を示す。 Examples of the production method of the present invention will be described below.
(実施例) 実施例1. (1)11.28g(S)−1−ヒドロキシ−2−((S)−
t−ブトキシカルボニルフェニルアラニル)アミノプロ
パンを200mlの塩化メチレンに溶かし氷冷し、12.60gの
四塩化炭素及び9.97gのトリフェニルホスフィンを順次
加えた。氷冷下に2時間、室温で20時間かき混ぜた後、
溶媒を減圧下に溜去した。残渣油状物をシリカゲルクロ
マトグラフィーにかけ、n−ヘキサンとアセトンの混合
溶媒で溶出して、7.82gの(S)−1−ブロモ−2−
((S)−t−ブトキシカルボニルフェニルアラニル)
アミノプロパンを白色結晶として得た。(Examples) Example 1. (1) 11.28 g (S) -1-hydroxy-2-((S)-
(t-Butoxycarbonylphenylalanyl) aminopropane was dissolved in 200 ml of methylene chloride and cooled with ice, and 12.60 g of carbon tetrachloride and 9.97 g of triphenylphosphine were sequentially added. After stirring for 2 hours under ice cooling and for 20 hours at room temperature,
The solvent was distilled off under reduced pressure. The residual oil was subjected to silica gel chromatography and eluted with a mixed solvent of n-hexane and acetone to give 7.82 g of (S) -1-bromo-2-
((S) -t-butoxycarbonylphenylalanyl)
Aminopropane was obtained as white crystals.
融点:121-122℃ 〔α〕20:−21.5°(C=1.0,CHCl3) 元素分析:C17H25N2O3Brとして C% H% N% 計算値: 53.00 6.54 7.27 実測値: 52.93 6.64 7.01 NMR(CDCl3):δ=1.17(3H,d,J=7Hz),1.42(9H,
s),3.03(1H,dd,J=7,14Hz),3.07(1H,dd,J=7,14H
z),3.25-3.38(2H,m),4.15-4.24(1H,m),4.28-4.36
(1H,m),5.06-5.14(1H,br),6.07(1H,d,J=7Hz),7.
19-7.32(5H,m) 同様にして、以下の化合物を得た。Melting point: 121-122 ° C [α] 20 : -21.5 ° (C = 1.0, CHCl 3 ) Elemental analysis: C 17 H 25 N 2 O 3 Br as C% H% N% Calculated: 53.00 6.54 7.27 Observed: 52.93 6.64 7.01 NMR (CDCl 3 ): δ = 1.17 (3H, d, J = 7 Hz), 1.42 (9H,
s), 3.03 (1H, dd, J = 7,14 Hz), 3.07 (1H, dd, J = 7,14H)
z), 3.25-3.38 (2H, m), 4.15-4.24 (1H, m), 4.28-4.36
(1H, m), 5.06-5.14 (1H, br), 6.07 (1H, d, J = 7Hz), 7.
19-7.32 (5H, m) In the same manner, the following compound was obtained.
(R)−1−ブロモ−2−((R)−t−ブトキシカル
ボニルフェニルアラニル)アミノプロパン 融点:115-116℃ 〔α〕20:+19.6°(C=1.0,CHCl3) (S)−1−ブロモ−2−((S)−t−ブトキシカル
ボニルフェニルアラニル)アミノ−3−メチルブタン 融点:129-130℃ 〔α〕20:−34.9°(C=1.0,CHCl3) 元素分析:C19H29N2O3Brとして C% H% N% 計算値: 55.21 7.07 6.78 実測値: 55.20 7.17 6.80 NMR(CDCl3):δ=0.84(3H,d),0.90(3H,d),1.43
(9H,s),1.77-1.90(1H,m),3.05(1H,d,J=9Hz),3.1
0(1H,dd,J=6.5,14Hz),3.21-3.27(1H,m),3.43-3.48
(1H,m),3.76-3.83(1H,m),4.28-4.34(1H,m),4.99-
5.06(1H,br),6.00(1H,d,J=9Hz),7.21-7.33(5H,
m) (S)−1−ブロモ−2−((S)−t−ブトキシカル
ボニルフェニルアラニル)アミノ−4−メチルペンタン 融点:140-141℃ 〔α〕23:−38.4°(C=1.0,CHCl3) NMR(CDCl3):δ=0.89(3H,d,J=6.5Hz),0.90(3H,
d,J=6.5Hz),1.43(9H,s),1.25-1.55(3H,m),3.03
(1H,dd,J=7,14Hz),3.10(1H,dd,J=6,14Hz),3.27-
3.39(2H,m),4.12-4.21(1H,m),4.26-4.33(1H,m),
4.95-5.05(1H,br),5.91(1H,d,J=8Hz),7.19-7.33
(5H,m) (2S,3R)−1−ブロモ−2−((S)−t−ブトキシ
カルボニルフェニルアラニル)アミノ−3−メチルペン
タン 融点:142-143℃ 〔α〕23:−42.3°(C=1.0,CHCl3) NMR(CDCl3):δ=0.84(3H,t,J=7Hz),0.87(3H,d,J
=7Hz),0.99-1.11(1H,m),1.34-1.44(1H,m),1.43
(9H,s),1.53-1.65(1H,m),3.05(1H,dd,J=7,14H
z),3.10(1H,dd,J=6,14Hz),3.24-3.33(1H,m),3.46
(1H,dd,J=3.5,10Hz),3.82-3.90(1H,m),4.28-4.35
(1H,m),4.99-5.08(1H,br),6.03(1H,d,J=9Hz),7.
20-7.33(5H,m) (S)−1−ブロモ−2−((S)−t−ブトキシカル
ボニルフェニルアラニル)アミノ−3−フェニルプロパ
ン 融点:153-154℃ 〔α〕20:−20.9°(C=1.0,CHCl3) 元素分析:C23H29N2O3Brとして C% H% N% 計算値: 59.87 6.34 6.07 実測値: 60.03 6.26 5.92 NMR(CDCl3):δ=1.42(9H,s),2.78(1H,dd,J=8,14
Hz),2.85(1H,dd,J=6,14Hz),3.00(1H,dd.J=7,14H
z),3.06(1H,dd,J=5.5,14Hz),3.20-3.29(2H,m),4.
25-4.34(2H,m),4.94-5.03(1H,br),6.07(1H,d,J=
8.5Hz),7.17-7.32(19H,m) (S)−3−ベンジルオキシ−1−ブロモ−2−
((S)−t−ブトキシカルボニルフェニルアラニル)
アミノプロパン 融点:126-127℃ 〔α〕20:+14.1°(C=1.0,CHCl3) 元素分析:C24H31N2O4Brとして C% H% N% 計算値: 58.66 6.36 5.70 実測値: 58.55 6.36 5.70 NMR(CDCl3):δ=1.41(9H,s),2.98(1H,dd,J=7.5,
14Hz),3.08(1H,dd,J=5.5,9.5Hz),3.24(1H,dd,J=
4,10Hz),3.39(1H,dd,J=5.5,9.5Hz),3.44(1H,dd,J
=4,10Hz),3.63(1H,dd,J=3.5,9.5Hz),4.19-4.26(1
H,m),4.26-4.33(1H,m),4.47(2H,s),5.01-5.09(1
H,br),6.09(1H,d,J=8Hz),7.18-7.37(10H,m) (2S,3R)−3−ベンジルオキシ−1−ブロモ−2−
((S)−t−ブトキシカルボニルフェニルアラニル)
アミノブタン 融点:油状物 〔α〕23:+9.3°(C=1.0,CHCl3) NMR(CDCl3):δ=1.11(3H,d,J=6Hz),1.40(9H,
s),2.98(1H,dd,J=8,14Hz),3.10(1H,dd,J=6,14H
z),3.07-3.19(2H,m),3.94-4.05(2H,m),4.25-4.36
(1H,m),4.34 and 4.56(2H,ABq,J=11.5Hz),5.03-
5.13(1H,m),6.04(1H,d,J=8Hz),7.17-7.38(19H,
m) (S)−(1−(S)−t−ブトキシカルボニルフェニ
ルアラニル−2−ピロリジニル)ブロモメタン (本化合物は分離精製せずに次の反応に用いた) (2)7.71gの(S)−1−ブロモ−2−((S)−t
−ブトキシカルボニルフェニルアラニル)アミノプロパ
ンを50mlのアセトンに溶かし、2.51gのチオ酢酸カリウ
ムを室温で加えた。室温で20時間かき混ぜた後、溶媒を
減圧下に溜去した。残渣に水を加え酢酸エチルで抽出し
た。抽出溶液を5%炭酸水素ナトリウム水溶液、飽和食
塩水で洗浄した後、無水硫酸ナトリウム上で乾燥した。
溶媒を減圧下に溜去して、6.62gの(S)−2−
((S)−t−ブトキシカルボニルフェニルアラニル)
アミノプロピルエタンチオエートを白色結晶として得
た。(R) -1-bromo-2-((R) -t-butoxycarbonylphenylalanyl) aminopropane Melting point: 115-116 ° C [α] 20 : + 19.6 ° (C = 1.0, CHCl 3 ) (S ) -1-Bromo-2-((S) -t-butoxycarbonylphenylalanyl) amino-3-methylbutane Melting point: 129-130 ° C [α] 20 : -34.9 ° C (C = 1.0, CHCl 3 ) Elemental analysis : C 19 H 29 N 2 O 3 Br C% H% N% Calculated: 55.21 7.07 6.78 Found: 55.20 7.17 6.80 NMR (CDCl 3 ): δ = 0.84 (3H, d), 0.90 (3H, d) , 1.43
(9H, s), 1.77-1.90 (1H, m), 3.05 (1H, d, J = 9Hz), 3.1
0 (1H, dd, J = 6.5,14Hz), 3.21-3.27 (1H, m), 3.43-3.48
(1H, m), 3.76-3.83 (1H, m), 4.28-4.34 (1H, m), 4.99-
5.06 (1H, br), 6.00 (1H, d, J = 9Hz), 7.21-7.33 (5H,
m) (S) -1-bromo-2-((S) -t-butoxycarbonylphenylalanyl) amino-4-methylpentane Melting point: 140-141 ° C [α] 23 : -38.4 ° (C = 1.0, CHCl 3 ) NMR (CDCl 3 ): δ = 0.89 (3H, d, J = 6.5 Hz), 0.90 (3H,
d, J = 6.5Hz), 1.43 (9H, s), 1.25-1.55 (3H, m), 3.03
(1H, dd, J = 6,14Hz), 3.10 (1H, dd, J = 6,14Hz), 3.27-
3.39 (2H, m), 4.12-4.21 (1H, m), 4.26-4.33 (1H, m),
4.95-5.05 (1H, br), 5.91 (1H, d, J = 8Hz), 7.19-7.33
(5H, m) (2S, 3R) -1-bromo-2-((S) -t-butoxycarbonylphenylalanyl) amino-3-methylpentane Melting point: 142-143 ° C [α] 23 : -42.3 ° (C = 1.0, CHCl 3 ) NMR (CDCl 3 ): δ = 0.84 (3H, t, J = 7 Hz), 0.87 (3H, d, J
= 7Hz), 0.99-1.11 (1H, m), 1.34-1.44 (1H, m), 1.43
(9H, s), 1.53-1.65 (1H, m), 3.05 (1H, dd, J = 7,14H
z), 3.10 (1H, dd, J = 6,14Hz), 3.24-3.33 (1H, m), 3.46
(1H, dd, J = 3.5,10Hz), 3.82-3.90 (1H, m), 4.28-4.35
(1H, m), 4.99-5.08 (1H, br), 6.03 (1H, d, J = 9Hz), 7.
20-7.33 (5H, m) (S) -1-bromo-2-((S) -t-butoxycarbonylphenylalanyl) amino-3-phenylpropane Melting point: 153-154 ° C [α] 20 : -20.9 ° (C = 1.0, CHCl 3 ) Elemental analysis: C% H% N% as C 23 H 29 N 2 O 3 Br Calculated: 59.87 6.34 6.07 Found: 60.03 6.26 5.92 NMR (CDCl 3 ): δ = 1.42 ( 9H, s), 2.78 (1H, dd, J = 8,14
Hz), 2.85 (1H, dd, J = 6,14 Hz), 3.00 (1H, dd. J = 7,14H)
z), 3.06 (1H, dd, J = 5.5,14Hz), 3.20-3.29 (2H, m), 4.
25-4.34 (2H, m), 4.94-5.03 (1H, br), 6.07 (1H, d, J =
8.5Hz), 7.17-7.32 (19H, m) (S) -3-benzyloxy-1-bromo-2-
((S) -t-butoxycarbonylphenylalanyl)
Aminopropane Melting point: 126-127 ° C [α] 20 : + 14.1 ° (C = 1.0, CHCl 3 ) Elemental analysis: C% H% N% as C 24 H 31 N 2 O 4 Br Calculated: 58.66 6.36 5.70 Found: 58.55 6.36 5.70 NMR (CDCl 3 ): δ = 1.41 (9H, s), 2.98 (1H, dd, J = 7.5,
14Hz), 3.08 (1H, dd, J = 5.5,9.5Hz), 3.24 (1H, dd, J =
4,10Hz), 3.39 (1H, dd, J = 5.5,9.5Hz), 3.44 (1H, dd, J
= 4,10Hz), 3.63 (1H, dd, J = 3.5,9.5Hz), 4.19-4.26 (1
H, m), 4.26-4.33 (1H, m), 4.47 (2H, s), 5.01-5.09 (1
H, br), 6.09 (1H, d, J = 8Hz), 7.18-7.37 (10H, m) (2S, 3R) -3-benzyloxy-1-bromo-2-
((S) -t-butoxycarbonylphenylalanyl)
Aminobutane Melting point: oil [α] 23 : + 9.3 ° (C = 1.0, CHCl 3 ) NMR (CDCl 3 ): δ = 1.11 (3H, d, J = 6 Hz), 1.40 (9H,
s), 2.98 (1H, dd, J = 8,14Hz), 3.10 (1H, dd, J = 6,14H)
z), 3.07-3.19 (2H, m), 3.94-4.05 (2H, m), 4.25-4.36
(1H, m), 4.34 and 4.56 (2H, ABq, J = 11.5Hz), 5.03-
5.13 (1H, m), 6.04 (1H, d, J = 8Hz), 7.17-7.38 (19H,
m) (S)-(1- (S) -t-butoxycarbonylphenylalanyl-2-pyrrolidinyl) bromomethane (this compound was used for the next reaction without separation and purification) (2) 7.71 g of (S ) -1-Bromo-2-((S) -t
-Butoxycarbonylphenylalanyl) aminopropane was dissolved in 50 ml of acetone and 2.51 g of potassium thioacetate was added at room temperature. After stirring at room temperature for 20 hours, the solvent was distilled off under reduced pressure. Water was added to the residue, and the mixture was extracted with ethyl acetate. The extract was washed with a 5% aqueous sodium hydrogen carbonate solution and saturated saline, and then dried over anhydrous sodium sulfate.
The solvent was distilled off under reduced pressure to give 6.62 g of (S) -2-
((S) -t-butoxycarbonylphenylalanyl)
Aminopropylethanethioate was obtained as white crystals.
融点:138-139℃ 〔α〕20:−9.2°(C=1.0,CHCl3) 元素分析:C19H28N2O4Sとして C% H% N% 計算値: 59.98 7.42 7.36 実測値: 59.95 7.49 7.34 NMR(CDCl3):δ=1.12(3H,d,J=7Hz),1.41(9H,
s),2.31(3H,s),2.86(1H,dd,J=5,14Hz),2.96(1H,
dd,J=7,14Hz),3.03(2H,d,J=7Hz),4.04-4.14(1H,
m),4.23-4.31(1H,m),4.93-5.00(1H,br),6.02(1H,
d,J=8Hz),7.18-7.32(5H,m) 同様にして、以下の化合物を得た。Melting point: 138-139 ° C [α] 20 : -9.2 ° (C = 1.0, CHCl 3 ) Elemental analysis: C 19 H 28 N 2 O 4 S C% H% N% Calculated: 59.98 7.42 7.36 Observed: 59.95 7.49 7.34 NMR (CDCl 3 ): δ = 1.12 (3H, d, J = 7 Hz), 1.41 (9H,
s), 2.31 (3H, s), 2.86 (1H, dd, J = 5,14Hz), 2.96 (1H,
dd, J = 7,14Hz), 3.03 (2H, d, J = 7Hz), 4.04-4.14 (1H,
m), 4.23-4.31 (1H, m), 4.93-5.00 (1H, br), 6.02 (1H,
d, J = 8 Hz), 7.18-7.32 (5H, m) Similarly, the following compound was obtained.
(R)−2−((R)−t−ブトキシカルボニルフェニ
ルアラニル)アミノプロピルエタンチオエート 融点:141-142℃ 〔α〕20:+9.8°(C=1.0,CHCl3) (S)−2−((S)−t−ブトキシカルボニルフェニ
ルアラニル)アミノ−3−メチルブチルエタンチオエー
ト 融点:159-160℃ 〔α〕20:−15.5°(C=1.0,CHCl3) 元素分析:C21H32N2O4Sとして C% H% N% 計算値: 61.74 7.90 6.86 実測値: 61.88 8.18 6.60 NMR(CDCl3):δ=0.85(3H,d,J=7Hz),0.89(3H,d,J
=7Hz),1.41(9H,s),1.72-1.85(1H,m).2.28(3H,
s),2.90(1H,dd,J=9,14Hz),2.94(1H,dd,J=5,14H
z),3.02(1H,dd,J=7,14Hz),3.08(1H,dd,J=7,14H
z),3.83-3.91(1H,m),4.25-4.32(1H,m),4.88-4.95
(1H,br s),5.97(1H,d,J=9Hz),7.20-7.32(5H,m) (S)−2−((S)−t−ブトキシカルボニルフェニ
ルアラニル)アミノ−4−メチルペンチルエタンチオエ
ート 融点:149-150℃ 〔α〕23:−30.1°(C=1.0,CHCl3) NMR(CDCl3):δ=0.87(3H,d,J=6.5Hz),0.88(3H,
d,J=6.5Hz),1.21-1.35(2H,m),1.41(9H,s),1.45-
1.55(1H,m),2.30(3H,s),2.87-2.97(2H,m),3.05
(2H,d,J=7Hz),4.06-4.17(1H,m),4.23-4.31(1H,
m),4.86-4.96(1H,br),5.84(1H,d,J=9Hz),7.18-7.
32(5H,m) (2S,3R)−2−((S)−t−ブトキシカルボニルフ
ェニルアラニル)アミノ−3−メチルペンチルエタンチ
オエート 融点:154-155℃ 〔α〕23:−11.7°(C=1.0,CHCl3) NMR(CDCl3):δ=0.86(3H,d,J=7Hz),0.87(3H,t,J
=7Hz),0.99-1.11(1H,m),1.35-1.47(1H,m),1.51-
1.62(1H,m),1.41(9H,s),2.28(3H,s),2.89(1H,d
d,J=9,13Hz),2.95(1H,dd,J=4,13Hz),3.02(1H,dd,
J=7,14Hz),3.08(1H,dd,J=7,14Hz),3.89-3.97(1H,
m),4.25-4.32(1H,m),4.85-4.93(1H,br),6.00(1H,
d,J=8Hz),7.19-7.32(5H,m) (S)−2−((S)−t−ブトキシカルボニルフェニ
ルアラニル)アミノ−3−フェニルプロピルエタンチオ
エート 融点:161-162℃ 〔α〕20:−13.9°(C=1.0,CHCl3) 元素分析:C25H32N2O4Sとして C% H% N% 計算値: 65.77 7.06 6.14 実測値: 65.56 7.25 6.30 NMR(CDCl3):δ=1.40(9H,s),2.30(3H,s),2.71
(1H,dd,J=7.5,14Hz),2.86-3.06(5H,m),4.18-4.30
(2H,m),4.80-4.88(1H,br s),6.10(1H,d,J=8Hz),
7.10-7.30(10H,m) (S)−2−((S)−t−ブトキシカルボニルフェニ
ルアラニル)アミノ−3−ベンジルオキシプピルエタン
チオエート 融点:121-122℃ 〔α〕20:+24.5°(C=1.0,CHCl3) 元素分析:C26H34N2O5Sとして C% H% N% 計算値: 64.17 7.06 5.76 実測値: 63.85 7.14 5.81 NMR(CDCl3):δ=1.39(9H,s),2.30(3H,s),2.99-
3.05(4H,m),3.37(1H,dd,J=5,10Hz),3.53(1H,dd,J
=3,10Hz),4.10-4.19(1H,m),4.25-4.34(1H,m),4.4
5(2H,s),4.90-4.99(1H,br s),6.18(1H,d,J=8H
z),7.17-7.37(10H,m) (2S,3R)−3−ベンジルオキシ−2−((S)−t−
ブトキシカルボニルフェニルアラニル)アミノブチルエ
タンチオエート 融点:102-104℃ 〔α〕23:+22.1°(C=1.0,CHCl3) NMR(CDCl3):δ=1.09(3H,d,J=6Hz),1.39(9H,
s),2.29(3H,s),2.90(1H,dd,J=8,13Hz),2.95(1H,
dd,J=6,13Hz),3.02(1H,dd,J=7,14Hz),3.07(1H,d
d,J=6,14Hz),3.66(1H,dq,Jd=2,Jq=6Hz),3.95-4.0
2(1H,m),4.28-4.36(1H,m),4.35 and 4.55(2H,ABq,
J=11.5Hz),4.96-5.05(1H,br),6.09(1H,d,J=9H
z),7.17-7.37(19H,m) (S)−(1−(S)−t−ブトキシカルボニルフェニ
ルアラニル−2−ピロリジニル)メチルエタンチオエー
ト (本化合物は分離精製せずに次の反応に用いた) (3)5.71gの(S)−2−((S)−t−ブトキシカ
ルボニルフェニルアラニル)アミノプロピルエタンチオ
エートを30mlの蟻酸に溶かし、過酸化水素水と蟻酸より
調製した過蟻酸溶液に氷冷下で徐々に滴下した。氷冷下
で2時間、室温20時間かき混ぜた後、過剰の過酸化物を
10%パラジウム−炭素により分解した。触媒を濾過した
後濾液を減圧下に溜去して、4.04gの(S)−2−
((S)−フェニルアラニル)アミノプロパンスルホン
酸を白色結晶として得た。(R) -2-((R) -t-butoxycarbonylphenylalanyl) aminopropylethanethioate Melting point: 141-142 ° C. [α] 20 : + 9.8 ° (C = 1.0, CHCl 3 ) (S) -2-((S) -t-butoxycarbonylphenylalanyl) amino-3-methylbutylethanethioate Melting point: 159-160 ° C [α] 20 : -15.5 ° (C = 1.0, CHCl 3 ) Elemental analysis: C% H% N% as C 21 H 32 N 2 O 4 S Calculated: 61.74 7.90 6.86 Found: 61.88 8.18 6.60 NMR (CDCl 3 ): δ = 0.85 (3H, d, J = 7 Hz), 0.89 (3H , d, J
= 7Hz), 1.41 (9H, s), 1.72-1.85 (1H, m) .2.28 (3H,
s), 2.90 (1H, dd, J = 9,14Hz), 2.94 (1H, dd, J = 5,14H)
z), 3.02 (1H, dd, J = 7,14 Hz), 3.08 (1H, dd, J = 7,14H)
z), 3.83-3.91 (1H, m), 4.25-4.32 (1H, m), 4.88-4.95
(1H, brs), 5.97 (1H, d, J = 9Hz), 7.20-7.32 (5H, m) (S) -2-((S) -t-butoxycarbonylphenylalanyl) amino-4-methyl Pentyl ethane thioate Melting point: 149-150 ° C. [α] 23 : -30.1 ° (C = 1.0, CHCl 3 ) NMR (CDCl 3 ): δ = 0.87 (3H, d, J = 6.5 Hz), 0.88 (3H,
d, J = 6.5Hz), 1.21-1.35 (2H, m), 1.41 (9H, s), 1.45-
1.55 (1H, m), 2.30 (3H, s), 2.87-2.97 (2H, m), 3.05
(2H, d, J = 7Hz), 4.06-4.17 (1H, m), 4.23-4.31 (1H,
m), 4.86-4.96 (1H, br), 5.84 (1H, d, J = 9Hz), 7.18-7.
32 (5H, m) (2S, 3R) -2-((S) -t-butoxycarbonylphenylalanyl) amino-3-methylpentylethanethioate Melting point: 154-155 ° C [α] 23 : -11.7 ° (C = 1.0, CHCl 3 ) NMR (CDCl 3 ): δ = 0.86 (3H, d, J = 7 Hz), 0.87 (3H, t, J
= 7Hz), 0.99-1.11 (1H, m), 1.35-1.47 (1H, m), 1.51-
1.62 (1H, m), 1.41 (9H, s), 2.28 (3H, s), 2.89 (1H, d
d, J = 9,13Hz), 2.95 (1H, dd, J = 4,13Hz), 3.02 (1H, dd,
J = 7,14 Hz), 3.08 (1H, dd, J = 7,14 Hz), 3.89-3.97 (1H,
m), 4.25-4.32 (1H, m), 4.85-4.93 (1H, br), 6.00 (1H,
d, J = 8 Hz), 7.19-7.32 (5H, m) (S) -2-((S) -t-butoxycarbonylphenylalanyl) amino-3-phenylpropylethanethioate Melting point: 161-162 ° C. α] 20 : −13.9 ° (C = 1.0, CHCl 3 ) Elemental analysis: C% H% N% as C 25 H 32 N 2 O 4 S Calculated: 65.77 7.06 6.14 Actual: 65.56 7.25 6.30 NMR (CDCl 3 ): Δ = 1.40 (9H, s), 2.30 (3H, s), 2.71
(1H, dd, J = 7.5,14Hz), 2.86-3.06 (5H, m), 4.18-4.30
(2H, m), 4.80-4.88 (1H, brs), 6.10 (1H, d, J = 8Hz),
7.10-7.30 (10H, m) (S) -2-((S) -t-butoxycarbonylphenylalanyl) amino-3-benzyloxypropyl ethanethioate Melting point: 121-122 ° C [α] 20 : +24 .5 ° (C = 1.0, CHCl 3 ) Elemental analysis: C 26 H 34 N 2 O 5 S C% H% N% Calculated: 64.17 7.06 5.76 Found: 63.85 7.14 5.81 NMR (CDCl 3 ): δ = 1.39 (9H, s), 2.30 (3H, s), 2.99-
3.05 (4H, m), 3.37 (1H, dd, J = 5,10Hz), 3.53 (1H, dd, J
= 3,10Hz), 4.10-4.19 (1H, m), 4.25-4.34 (1H, m), 4.4
5 (2H, s), 4.90-4.99 (1H, brs), 6.18 (1H, d, J = 8H
z), 7.17-7.37 (10H, m) (2S, 3R) -3-benzyloxy-2-((S) -t-
Butoxycarbonylphenylalanyl) aminobutylethanethioate Melting point: 102-104 ° C. [α] 23 : + 22.1 ° (C = 1.0, CHCl 3 ) NMR (CDCl 3 ): δ = 1.09 (3H, d, J = 6Hz), 1.39 (9H,
s), 2.29 (3H, s), 2.90 (1H, dd, J = 8,13Hz), 2.95 (1H,
dd, J = 6,13Hz), 3.02 (1H, dd, J = 7,14Hz), 3.07 (1H, d
d, J = 6,14Hz), 3.66 (1H, dq, J d = 2, J q = 6Hz), 3.95-4.0
2 (1H, m), 4.28-4.36 (1H, m), 4.35 and 4.55 (2H, ABq,
J = 11.5Hz), 4.96-5.05 (1H, br), 6.09 (1H, d, J = 9H
z), 7.17-7.37 (19H, m) (S)-(1- (S) -tert-butoxycarbonylphenylalanyl-2-pyrrolidinyl) methylethanethioate (This compound was used for the next reaction without purification. (3) 5.71 g of (S) -2-((S) -t-butoxycarbonylphenylalanyl) aminopropylethanethioate was dissolved in 30 ml of formic acid, and prepared from hydrogen peroxide and formic acid. The solution was gradually added dropwise to the formic acid solution under ice-cooling. Stir for 2 hours under ice-cooling and at room temperature for 20 hours.
Decomposed by 10% palladium-carbon. After filtering the catalyst, the filtrate was distilled off under reduced pressure to obtain 4.04 g of (S) -2-
((S) -Phenylalanyl) aminopropanesulfonic acid was obtained as white crystals.
融点:304-305℃ 〔α〕20:+73.4°(C=1.0,H2O) 元素分析:C12H18N2O4Sとして C% H% N% 計算値: 50.34 6.34 9.78 実測値: 50.07 6.34 9.73 NMR(0.2N NaOD−D2O):δ=1.19(3H,d,J=6.5Hz),
2.68(1H,dd,J=7,14Hz),2.73(1H,dd,J=6,14Hz),2.
85(1H,dd,J=7.5,13.5Hz),2.95(1H,dd,J=7.5,13.5H
z),2.95(1H,dd,J=6.5,13.5Hz),3.55(1H,J=6.5,7H
z),4.10-4.18(1H,m),7.21-7.39(5H,m) 同様にして、以下の化合物を得た。Mp: 304-305 ℃ [α] 20: + 73.4 ° (C = 1.0, H 2 O) Elemental analysis: C 12 H 18 N 2 O 4 C% H% N% Calculated S: 50.34 6.34 9.78 Found values: 50.07 6.34 9.73 NMR (0.2N NaOD -D 2 O): δ = 1.19 (3H, d, J = 6.5Hz),
2.68 (1H, dd, J = 7,14Hz), 2.73 (1H, dd, J = 6,14Hz), 2.
85 (1H, dd, J = 7.5,13.5Hz), 2.95 (1H, dd, J = 7.5,13.5H
z), 2.95 (1H, dd, J = 6.5,13.5Hz), 3.55 (1H, J = 6.5,7H
z), 4.10-4.18 (1H, m), 7.21-7.39 (5H, m) Similarly, the following compound was obtained.
(R)−2−((R)−フェニルアラニル)アミノプロ
パンスルホン酸 融点:312℃(分解) 〔α〕20:−70.4°(C=1.0,H2O) (S)−3−メチル−2−((S)−フェニルアラニ
ル)アミノブタンスルホン酸 融点:301-302℃(分解) 〔α〕20:+42.4°(C=1.0,H2O) 元素分析:C14H22N2O4S・1EtOH・0.5H2Oとして C% H% N% 計算値: 52.01 7.91 7.58 実測値: 51.88 7.65 7.43 NMR(0.2NNaOD):δ=0.81(3H,d,J=7Hz),0.82(3H,
d,J=7Hz),1.85-1.97(1H,m),2.80(1H,m),2.80(1
H,dd,J=5,15Hz),2.88(1H,dd,J=7.5,14Hz),2.96(1
H,dd,J=5,15Hz),2.98(1H,dd,J=6.5,14Hz),3.60-3.
66(1H,m),4.09(1H,ddd,J=5,5,8Hz),7.24-7.39(5
H,m) (S)−4−メチル−2−((S)−フェニルアラニ
ル)アミノペンタンスルホン酸 融点:320℃(分解) 〔α〕23:+25.1°(C=1.0,H2O) (2S,3R)−3−メチル−2−((S)−フェニルアラ
ニル)アミノペンタンスルホン酸 融点:295℃(分解) 〔α〕23:+42.1°(C=1.0,H2O) (S)−3−フェニル−2−((S)−フェニルアラニ
ル)アミノプロパンスルホン酸 融点:315-316℃ 〔α〕20:+31.6°(C=0.5,0.5MNaOH) 元素分析:C18H22N2O4Sとして C% H% N% 計算値: 59.65 6.12 7.73 実測値: 59.99 6.03 7.88 NMR(0.2NNaOD):δ=2.69-2.78(3H,m),2.80(1H,d
d,J=6.5,14.5Hz),2.93(1H,dd,J=6,14.5Hz),3.10
(1H,dd,J=5,14Hz),3.46(1H,t,J=7Hz),4.39-4.46
(1H,m),7.14-7.37(10H,m) (S)−3−ヒドロキシ−2−((S)−フェニルアラ
ニル)アミノプロパンスルホン酸 融点:254-256℃(分解) 〔α〕20:+58.1°(C=1.0,H2O) 元素分析:C12H18N2O5Sとして C% H% N% 計算値: 44.57 6.65 8.25 実測値: 44.85 6.36 8.08 NMR(0.2NNaOD):δ=2.69(1H,dd,J=6.5Hz,15Hz),
2.86-2.97(3H,m),3.56(1H,dd,J=6,11.5Hz),2.86-
2.97(3H,m),3.56(1H,dd,J=6,11.5Hz),3.60(1H,t,
J=7Hz),3.66(1H,dd,J=5,11.5Hz),4.17-4.24(1H,
m),7.23-7.40(5H,m) (2S,3R)−3−ヒドロキシ−2−((S)−フェニル
アラニル)アミノブタンスルホン酸 融点:223-224℃ 〔α〕23:+67.4°(C=1.0,H2O) (S)−(1−(S)−フェニルアラニル−2−ピロリ
ジニル)メタンスルホン酸 融点:303-305℃(分解) 〔α〕23:+61.7°(C=1.0,H2O) SIMS 313(C14H20N2O4S:312.36) 実施例2. (1)7.96gのt−ブトキシカルボニルフェニルアラニ
ン及び10.32gのベンジル4−アミノ−5−ブロモペンタ
ノエート塩酸塩に100mlの塩化メチレンを加え氷冷し
た。これに塩化メチレンに溶かした4.97gの1−エチル
−3−(3−ジメチルアミノプロピル)カルボジイミド
を徐々に滴下した。氷冷下でさらに1.5時間かき混ぜた
後、反応混合物を水、10%クエン酸水溶液、飽和食塩水
で洗浄した。無水硫酸ナトリウム上で乾燥した後、減圧
下に溶媒を溜去して、12.9gのベンジル(S)−5−ブ
ロモ−4−((S)−t−ブトキシカルボニルフェニル
アラニル)アミノペンタノエートを白色結晶として得
た。(R) -2-((R) -phenylalanyl) aminopropanesulfonic acid Melting point: 312 ° C (decomposition) [α] 20 : -70.4 ° C (C = 1.0, H 2 O) (S) -3-methyl -2-((S) -phenylalanyl) aminobutanesulfonic acid Melting point: 301-302 ° C (decomposition) [α] 20 : + 42.4 ° (C = 1.0, H 2 O) Elemental analysis: C 14 H 22 N 2 O 4 S · 1EtOH · 0.5H 2 O, C% H% N% Calculated: 52.01 7.91 7.58 Found: 51.88 7.65 7.43 NMR (0.2NNaOD): δ = 0.81 (3H, d, J = 7Hz), 0.82 (3H,
d, J = 7Hz), 1.85-1.97 (1H, m), 2.80 (1H, m), 2.80 (1
H, dd, J = 5,15Hz), 2.88 (1H, dd, J = 7.5,14Hz), 2.96 (1
H, dd, J = 5,15Hz), 2.98 (1H, dd, J = 6.5,14Hz), 3.60-3.
66 (1H, m), 4.09 (1H, ddd, J = 5,5,8Hz), 7.24-7.39 (5
H, m) (S) -4-methyl-2-((S) -phenylalanyl) aminopentanesulfonic acid Melting point: 320 ° C (decomposition) [α] 23 : + 25.1 ° (C = 1.0, H 2 O) (2S, 3R) -3-methyl-2-((S) -phenylalanyl) aminopentanesulfonic acid Melting point: 295 ° C (decomposition) [α] 23 : + 42.1 ° (C = 1.0, H 2 O) (S) -3-phenyl-2-((S) -phenylalanyl) aminopropanesulfonic acid Melting point: 315-316 ° C [α] 20 : + 31.6 ° (C = 0.5, 0.5M NaOH) Elemental analysis : C 18 H 22 N 2 O 4 S as C% H% N% Calculated: 59.65 6.12 7.73 Found: 59.99 6.03 7.88 NMR (0.2NNaOD): δ = 2.69-2.78 (3H, m), 2.80 (1H, d
d, J = 6.5, 14.5 Hz), 2.93 (1H, dd, J = 6, 14.5 Hz), 3.10
(1H, dd, J = 5,14Hz), 3.46 (1H, t, J = 7Hz), 4.39-4.46
(1H, m), 7.14-7.37 (10H, m) (S) -3-hydroxy-2-((S) -phenylalanyl) aminopropanesulfonic acid Melting point: 254-256 ° C (decomposition) [α] 20 : + 58.1 ° (C = 1.0, H 2 O) Elemental analysis: C% H% N% as C 12 H 18 N 2 O 5 S Calculated: 44.57 6.65 8.25 Found: 44.85 6.36 8.08 NMR (0.2NNaOD) : Δ = 2.69 (1H, dd, J = 6.5Hz, 15Hz),
2.86-2.97 (3H, m), 3.56 (1H, dd, J = 6,11.5Hz), 2.86-
2.97 (3H, m), 3.56 (1H, dd, J = 6,11.5Hz), 3.60 (1H, t,
J = 7Hz), 3.66 (1H, dd, J = 5,11.5Hz), 4.17-4.24 (1H,
m), 7.23-7.40 (5H, m) (2S, 3R) -3-hydroxy-2-((S) -phenylalanyl) aminobutanesulfonic acid Melting point: 223-224 ° C [α] 23 : +67.4 ° (C = 1.0, H 2 O) (S)-(1- (S) -phenylalanyl-2-pyrrolidinyl) methanesulfonic acid Melting point: 303-305 ° C (decomposition) [α] 23 : + 61.7 ° (C = 1.0, H 2 O ) SIMS 313 (C 14 H 20 N 2 O 4 S: 312.36) example 2. (1) 7.96 g of t- butoxycarbonyl phenylalanine and 10.32g of benzyl 4-amino-5- 100 ml of methylene chloride was added to bromopentanoate hydrochloride, and the mixture was cooled with ice. To this, 4.97 g of 1-ethyl-3- (3-dimethylaminopropyl) carbodiimide dissolved in methylene chloride was gradually added dropwise. After further stirring for 1.5 hours under ice cooling, the reaction mixture was washed with water, a 10% aqueous citric acid solution, and a saturated saline solution. After drying over anhydrous sodium sulfate, the solvent was distilled off under reduced pressure, and 12.9 g of benzyl (S) -5-bromo-4-((S) -t-butoxycarbonylphenylalanyl) aminopentanoate was obtained. Was obtained as white crystals.
融点:131-132℃ 〔α〕23:−24.9°(C=1.0,CHCl3O) NMR(CDCl3):δ=1.40(9H,s),1.77-1.94(2H,m),
2.26-2.43(2H,m),3.00(1H,dd,J=7,13Hz),3.09(1
H,dd,J=6.5,13Hz),3.25(1H,dd,J=4,11Hz),3.38(1
H,dd,J=3,11Hz),4.09-4.18(1H,m),4.25-2.32(1H,
m),4.93-5.01(1H,br),5.09 and 5.12(2H,ABq,J=1
2.5Hz),6.13(1H,d,J=9Hz),7.17-7.39(10H,m) 同様にして、以下の化合物を得た。Melting point: 131-132 ° C. [α] 23 : −24.9 ° (C = 1.0, CHCl 3 O) NMR (CDCl 3 ): δ = 1.40 (9H, s), 1.77-1.94 (2H, m),
2.26-2.43 (2H, m), 3.00 (1H, dd, J = 7,13Hz), 3.09 (1
H, dd, J = 6.5,13Hz), 3.25 (1H, dd, J = 4,11Hz), 3.38 (1
H, dd, J = 3,11Hz), 4.09-4.18 (1H, m), 4.25-2.32 (1H,
m), 4.93-5.01 (1H, br), 5.09 and 5.12 (2H, ABq, J = 1
2.5Hz), 6.13 (1H, d, J = 9Hz), 7.17-7.39 (10H, m) Similarly, the following compound was obtained.
ベンジル(S)−4−ブロモ−3−((S)−t−ブト
キシカルボニルフェニルアラニル)アミノブチレート 融点:98-99℃ 〔α〕23:−4.9°(C=1,CHCl3) (S)−5−ベンジルオキシカルボニルアミノ−1−ブ
ロモ−2−((S)−t−ブトキシカルボニルフェニル
アラニル)アミノペンタン 融点:156-157℃ 〔α〕23:−15.9°(C=1,CHCl3) (S)−6−ベンジルオキシカルボニルアミノ−1−ブ
ロモ−2−((S)−t−ブトキシカルボニルフェニル
アラニル)アミノヘキサン (本化合物は分離精製せずに次の反応に用いた) (R)−2−((S)−t−ブトキシカルボニルフェニ
ルアラニル)アミノ−1−クロロ−2−フェニルエタン 融点:135-136℃ 〔α〕23:−27.5°(C=1,CHCl3) (2)ベンジル(S)−5−ブロモ−4−((S)−t
−ブトキシカルボニルフェニルアラニル)アミノペンタ
ノエートを出発原料とし、上記実施例1(2)の方法と
同様にして、ベンジル5−アセチルチオ−4−((S)
−t−ブトキシカルボニルフェニルアラニル)アミノペ
ンタノエートを得た。Benzyl (S) -4-bromo-3-((S) -t-butoxycarbonylphenylalanyl) aminobutyrate Melting point: 98-99 ° C [α] 23 : -4.9 ° C (C = 1, CHCl 3 ) ( S) -5-Benzyloxycarbonylamino-1-bromo-2-((S) -t-butoxycarbonylphenylalanyl) aminopentane Melting point: 156-157 ° C [α] 23 : -15.9 ° (C = 1, CHCl 3 ) (S) -6-benzyloxycarbonylamino-1-bromo-2-((S) -t-butoxycarbonylphenylalanyl) aminohexane (This compound was used in the next reaction without separation and purification. ) (R) -2-((S) -t-butoxycarbonylphenylalanyl) amino-1-chloro-2-phenylethane Melting point: 135-136 ° C [α] 23 : -27.5 ° (C = 1, CHCl 3) (2) benzyl (S)-5-bromo -4 - ((S) t
-Butoxycarbonylphenylalanyl) aminopentanoate was used as a starting material, and benzyl 5-acetylthio-4-((S) was obtained in the same manner as in Example 1 (2).
-T-Butoxycarbonylphenylalanyl) aminopentanoate was obtained.
融点:110-111℃ 〔α〕23:−21.1°(C=1,CHCl3) NMR(CDCl3):δ=1.39(9H,s),1.63-1.74(1H,m),
1.83-1.93(1H,m),2.25-2.42(2H,m),2.30(3H,s),
2.88(1H,dd,J=5,14Hz),2.97(1H,dd,J=7,14Hz),3.
03(2H,d,J=7Hz),4.00-4.10(1H,m),4.23-4.30(1H,
m),4.86(1H,d,J=8Hz),5.08 and 4.10(2H,ABq,J=1
2Hz),6.08(1H,d,J=9Hz),7.16-7.39(10H,m) 同様にして、以下の化合物を得た。Melting point: 110-111 ° C. [α] 23 : −21.1 ° (C = 1, CHCl 3 ) NMR (CDCl 3 ): δ = 1.39 (9H, s), 1.63-1.74 (1H, m),
1.83-1.93 (1H, m), 2.25-2.42 (2H, m), 2.30 (3H, s),
2.88 (1H, dd, J = 5,14Hz), 2.97 (1H, dd, J = 7,14Hz), 3.
03 (2H, d, J = 7Hz), 4.00-4.10 (1H, m), 4.23-4.30 (1H,
m), 4.86 (1H, d, J = 8 Hz), 5.08 and 4.10 (2H, ABq, J = 1
2Hz), 6.08 (1H, d, J = 9Hz), 7.16-7.39 (10H, m) The following compounds were obtained in the same manner.
ベンジル(S)−4−アセチルチオ−3−((S)−t
−ブトキシカルボニルフェニルアラニル)アミノブチレ
ート 融点:97-98℃ 〔α〕23:+4.7°(C=1,CHCl3) (S)−5−ベンジルオキシカルボニルアミノ−2−
((S)−t−ブトキシカルボニルフェニルアラニル)
アミノペンチルエタンチオエート 融点:140-141℃ 〔α〕23:−12.8°(C=1,CHCl3) (S)−6−ベンジルオキシカルボニルアミノ−2−
((S)−t−ブトキシカルボニルフェニルアラニル)
アミノヘキシルエタンチオエート (本化合物は分離精製せずに次の反応に用いた) (R)−2−((S)−t−ブトキシカルボニルフェニ
ルアラニル)アミノ−2−フェニルエチルエタンチオエ
ート 融点:143-144℃ 〔α〕23:−38.7°(C=1,CHCl3) (3)ベンジル5−アセチルチオ−4−((S)−t−
ブトキシカルボニルフェニルアラニル)アミノペンタノ
エートを出発原料とし、上記実施例1(3)の方法と同
様にして、(S)−4−フェニルアラニルアミノ−5−
スルホペンタン酸を得た。Benzyl (S) -4-acetylthio-3-((S) -t
-Butoxycarbonylphenylalanyl) aminobutyrate Melting point: 97-98 ° C [α] 23 : + 4.7 ° (C = 1, CHCl 3 ) (S) -5-benzyloxycarbonylamino-2-
((S) -t-butoxycarbonylphenylalanyl)
Aminopentylethanethioate Melting point: 140-141 ° C [α] 23 : -12.8 ° (C = 1, CHCl 3 ) (S) -6-benzyloxycarbonylamino-2-
((S) -t-butoxycarbonylphenylalanyl)
Aminohexylethanethioate (This compound was used in the next reaction without separation and purification) (R) -2-((S) -t-butoxycarbonylphenylalanyl) amino-2-phenylethylethanethioate Melting point : 143-144 ° C [α] 23 : -38.7 ° (C = 1, CHCl 3 ) (3) Benzyl 5-acetylthio-4-((S) -t-
(S) -4-phenylalanylamino-5-butoxycarbonylphenylalanyl) aminopentanoate was used as a starting material in the same manner as in Example 1 (3).
Sulfopentanoic acid was obtained.
融点:301-302℃(分解) 〔α〕23:+42.8°(C=1,1N NaOHaq.) NMR(0.2N NaOH−D2O):δ=1.61-1.71(1H,m),1.90-
2.00(1H,m),2.06(2H,t,J=8Hz),2.75(1H,dd,J=6,
14Hz),2.81(1H,dd,J=6,14Hz),2.89(1H,dd,J=7.5,
13Hz),2.94(1H,dd,J=7,13Hz),3.60(1H,dd,J=7,7.
5Hz),4.05-4.13(1H,m),7.23-7.39(5H,m) 同様にして、以下の化合物を得た。Melting point: 301-302 ° C (decomposition) [α] 23 : + 42.8 ° (C = 1,1N NaOHaq.) NMR (0.2N NaOH-D 2 O): δ = 1.61-1.71 (1H, m), 1.90 -
2.00 (1H, m), 2.06 (2H, t, J = 8Hz), 2.75 (1H, dd, J = 6,
14Hz), 2.81 (1H, dd, J = 6,14Hz), 2.89 (1H, dd, J = 7.5,
13Hz), 2.94 (1H, dd, J = 7,13Hz), 3.60 (1H, dd, J = 7,7.
5Hz), 4.05-4.13 (1H, m), 7.23-7.39 (5H, m) Similarly, the following compound was obtained.
(S)−3−((S)−フェニルアラニル)アミノ−4
−スルホ−酪酸 融点:259-260℃(分解) 〔α〕23:+40.8°(C=1,1N NaOHaq.) (S)−5−アミノ−2−((S)−フェニルアラニ
ル)アミノペンタンスルホン酸塩酸塩 融点:330-331℃(分解) 〔α〕23:+34.0°(C=1,1N NaOHaq.) (S)−6−アミノ−2−((S)−フェニルアラニ
ル)アミノヘキサンスルホン酸塩酸塩 吸湿性粉末 〔α〕23:+29.6°(C=1,H20) (R)−2−フェニル−2−((S)−フェニルアラニ
ル)アミノエタンスルホン酸 融点:315-316℃(分解) 〔α〕23:−31.1°(C=1,1N NaOHaq.) (作用及び効果) 4℃で保存した稲(日本晴)を使用し、前記一般式
(I)中のXがスルホ基である本発明化合物の植物生長
調節作用を調べた。(S) -3-((S) -phenylalanyl) amino-4
-Sulfo-butyric acid Melting point: 259-260 ° C (decomposition) [α] 23 : + 40.8 ° C (C = 1,1N NaOHaq.) (S) -5-amino-2-((S) -phenylalanyl) Aminopentanesulfonic acid hydrochloride Melting point: 330-331 ° C (decomposition) [α] 23 : + 34.0 ° C (C = 1,1N NaOHaq.) (S) -6-amino-2-((S) -phenylara Nyl) aminohexanesulfonic acid hydrochloride hygroscopic powder [α] 23 : + 29.6 ° (C = 1, H 2 0) (R) -2-phenyl-2-((S) -phenylalanyl) aminoethane Sulfonic acid Melting point: 315-316 ° C (decomposition) [α] 23 : -31.1 ° C (C = 1,1N NaOHaq.) (Action and effect) Using rice (Nipponbare) stored at 4 ° C, The plant growth regulating effect of the compound of the present invention wherein X in I) is a sulfo group was examined.
発芽直後の種子で根の長さがほぼ一定のものを、被検
薬水溶液(1×10-6M)を含む培養試験管に入れ生育試
験を行った。移植後7日間経過した種子の不定根の数を
測定した。一群30個体(5×6反復)とし、試験は30℃
の暗所で行った。Seeds immediately after germination and roots of almost constant length were placed in a culture test tube containing an aqueous solution of a test drug (1 × 10 −6 M) and a growth test was performed. Seven days after transplanting, the number of adventitious roots of the seed was measured. 30 individuals per group (5 x 6 repetitions), test at 30 ° C
Went in the dark.
その結果、対照群の不定根数7.1±0.22本と比べ、本
発明化合物を含む培養液で生育した群においては9.0±
0.25本と不定根数の有意な増加が認められた。即ち、本
発明化合物は植物の根の生理的活力を高め、活着のよい
丈夫な植物を育成するための発根促進剤として有用なも
のである。As a result, as compared with 7.1 ± 0.22 adventitious roots in the control group, 9.0 ± in the group grown in the culture solution containing the compound of the present invention.
A significant increase in the number of adventitious roots was found at 0.25. That is, the compound of the present invention is useful as a rooting promoting agent for enhancing the physiological vitality of plant roots and cultivating durable plants with good survival.
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 FI 技術表示箇所 C07C 309/15 7419−4H C07C 309/15 309/24 7419−4H 309/24 327/30 7106−4H 327/30 C07D 207/08 C07D 207/08 207/12 207/12 ──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. 6 Identification number Agency reference number FI Technical indication location C07C 309/15 7419-4H C07C 309/15 309/24 7419-4H 309/24 327/30 7106- 4H 327/30 C07D 207/08 C07D 207/08 207/12 207/12
Claims (1)
素又はR3と共にトリメチレン若しくはヒドロキシトリメ
チレンを表し、R3はアルキル基、フェニル基、保護基を
有してもよいヒドロキシアルキル基、保護基を有しても
よいカルボキシアルキル基、保護基を有してもよいアミ
ノアルキル基又はR2と共にトリメチレン若しくはヒドロ
キシトリメチレンを表し、Xはスルホ基、アセチルチオ
基又はハロゲンを表わす。〕 で表される化合物及びその薬学的に許容される塩。1. A compound of the general formula (I): (In the formula, R 1 represents hydrogen or a protecting group for an amino group, R 2 together with hydrogen or R 3 represents trimethylene or hydroxytrimethylene, and R 3 may have an alkyl group, a phenyl group, or a protecting group. A hydroxyalkyl group, a carboxyalkyl group optionally having a protecting group, an aminoalkyl group optionally having a protecting group, or trimethylene or hydroxytrimethylene together with R 2 , and X represents a sulfo group, an acetylthio group or a halogen . And a pharmaceutically acceptable salt thereof.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2192576A JP2724906B2 (en) | 1990-07-19 | 1990-07-19 | New phenylalanylaminoalkane derivatives |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2192576A JP2724906B2 (en) | 1990-07-19 | 1990-07-19 | New phenylalanylaminoalkane derivatives |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0477466A JPH0477466A (en) | 1992-03-11 |
JP2724906B2 true JP2724906B2 (en) | 1998-03-09 |
Family
ID=16293582
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2192576A Expired - Fee Related JP2724906B2 (en) | 1990-07-19 | 1990-07-19 | New phenylalanylaminoalkane derivatives |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2724906B2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2733390A1 (en) | 2008-08-01 | 2010-02-04 | Bioxiness Pharmaceuticals, Inc. | Methionine analogs and methods of using same |
-
1990
- 1990-07-19 JP JP2192576A patent/JP2724906B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH0477466A (en) | 1992-03-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA1305177C (en) | Carboxycyclopropylglycine and process for producing the same | |
AU756519B2 (en) | Dipeptide compounds having a high fungicidal activity and their agronomic use | |
FI115770B (en) | Process for the preparation of pharmacologically active peptide derivatives | |
JPS61152650A (en) | Collagenase inhibitor | |
JP4121215B2 (en) | Sulfostin analog, and method for producing sulfostine and its analog | |
US4349480A (en) | Process for preparing 1-(3-bromo-2-alkylpropanoyl-L-proline derivatives | |
SE457954B (en) | 3-AMINO 1-AZETIDINE SULPHONIC ACID DERIVATIVES OR SALTS THEREOF, A B-LACTIC ANTIBIOTICS | |
NZ242818A (en) | Diastereoselective synthesis of cis-nucleosides and their analogues; intermediates therefor | |
JPH0655757B2 (en) | Process for producing N-alkylated dipeptides and their esters | |
EP0312502B1 (en) | Dipeptides useful as plant growth regulators | |
EP3375772B1 (en) | Novel heterocycle-containing amino acid compound and use thereof | |
US4868307A (en) | Derivatives of bicyclic aminocarboxylic acids | |
JP2724906B2 (en) | New phenylalanylaminoalkane derivatives | |
NO970372L (en) | Aroyloxy and aroylthiopropanolamine derivatives useful as <beta> -3-adrenoreceptor agonists and antagonists for <beta> -1 and <beta> -2-adrenoreceptors and pharmaceutical mixtures thereof | |
CS219274B2 (en) | Fungicide means and method of making the active substance | |
JP2019199446A (en) | Method of producing s-ica ribosylhomocysteine | |
US4341707A (en) | Imido carbonate compound, production thereof and uses thereof as reagent for forming active ester of amino acids | |
EP0159396B1 (en) | Carboxyalkyl peptide derivatives | |
DE69418110T2 (en) | N-heteroaryl substituted propanamide derivatives useful for the treatment of cardiovascular diseases | |
EP0246786A1 (en) | N-1 subsituted sulfonylaminocarbonyl, C-4 substituted monobactams | |
KR960009116B1 (en) | Cyanoacetamide derivative and plant disease protectant comprising the same as an active ingredient | |
KR890000769B1 (en) | Process for preparing of proyline derivatives | |
DE60316973T2 (en) | PROCESS FOR SYNTHESIS OF PEPTIDES CONTAINING AT LEAST ONE GLYCIN MOLECULE | |
DE69626846T2 (en) | PHOSPHONIC ACID DERIVATIVES WITH METAL OPEPTIDASE INHIBITING ACTIVITY | |
JP3174566B2 (en) | Aminoalkane derivatives |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 19971007 |
|
LAPS | Cancellation because of no payment of annual fees |