JP3174566B2 - Aminoalkane derivatives - Google Patents

Aminoalkane derivatives

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Publication number
JP3174566B2
JP3174566B2 JP10614890A JP10614890A JP3174566B2 JP 3174566 B2 JP3174566 B2 JP 3174566B2 JP 10614890 A JP10614890 A JP 10614890A JP 10614890 A JP10614890 A JP 10614890A JP 3174566 B2 JP3174566 B2 JP 3174566B2
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JP
Japan
Prior art keywords
amino
acid
yield
melting point
group
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
Application number
JP10614890A
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Japanese (ja)
Other versions
JPH045270A (en
Inventor
邦彦 東浦
正晴 黒橋
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Nippon Zoki Pharmaceutical Co Ltd
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Nippon Zoki Pharmaceutical Co Ltd
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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
    • Y02P20/55Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups

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  • 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) 本発明は新規アミノアルカン誘導体及びその薬学的に
許容される塩に関する。
The present invention relates to novel aminoalkane derivatives and pharmaceutically acceptable salts thereof.

(従来の技術) アミノ酸のカルボキシル基にあたる部分がスルホ基で
あるタウリン等のアミノ酸類縁体は、医薬、化粧品など
種々の用途に有用な化合物として知られている。本発明
者らは、これらアミノ酸類縁体に関して研究を行った結
果、植物生長調整作用を有する新規アミノアルカン誘導
体並びに該化合物を製造する際に合成中間体として有用
な新規化合物を見出し、本発明を完成した。
(Prior Art) Amino acid analogs such as taurine, in which a portion corresponding to a carboxyl group of an amino acid is a sulfo group, are known as compounds useful for various uses such as medicines and cosmetics. The present inventors have conducted studies on these amino acid analogs, and as a result, have found a novel aminoalkane derivative having a plant growth regulating action and a novel compound useful as a synthetic intermediate when producing the compound, and completed the present invention. did.

(発明が解決しようとする問題点) 本発明の目的は、植物生長調整作用を有する新規アミ
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 aminoalkane derivative having a plant growth regulating action and a synthetic intermediate thereof.

(問題点を解決するための手段) 本発明化合物は、下記一般式(I)で表される新規ア
ミノアルカン誘導体である。
(Means for Solving the Problems) The compound of the present invention is a novel aminoalkane derivative represented by the following general formula (I).

〔式中、Rは水素又はアミノ基の保護基、Yはヒドロキ
シフェニルアルキル基、Xはスルホ基を表す。〕 上記一般式(I)において、R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 represents a hydrogen or amino-protecting group, Y represents a hydroxyphenylalkyl group, and X represents a sulfo group. In the general formula (I), as the protecting group for the amino group represented by R, ordinary protecting groups used in the field of peptide synthesis chemistry can be used, that is, t-butoxycarbonyl, t-pentoxycarbonyl Benzyloxycarbonyl group having a substituent such as a lower alkoxycarbonyl group such as a benzyloxycarbonyl group, an o-chlorobenzyloxycarbonyl group, a p-nitrobenzyloxycarbonyl group, a p-methoxybenzyloxycarbonyl group, a tosyl group, and a trityl group , Formyl group, phthaloyl group, o-nitrophenylsulfenyl group, 9-fluorenylmethyloxycarbonyl group and the like.

Yはヒドロキシフェニルアルキル基、好ましくはメチ
ル、エチル、プロピル基等の炭素数1乃至3のアルキル
基にフェニル基が結合したフェニルアルキル基に水酸基
が結合したヒドロキシフェニルアルキル基を表す。
Y represents a hydroxyphenylalkyl group, preferably a hydroxyphenylalkyl group in which a hydroxyl group is bonded to a phenylalkyl group in which a phenyl group is bonded to an alkyl group having 1 to 3 carbon atoms such as methyl, ethyl and propyl groups.

Xはスルホ基を表す。 X represents a sulfo group.

本発明アミノアルカン誘導体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、ホウ酸等の無機
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有機酸との酸付加塩、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 aminoalkane derivatives of the present invention include pharmaceutically acceptable salts thereof, for example, hydrochloric acid, sulfuric acid, nitric acid, hydrobromic acid, phosphoric acid, perchloric acid, thiocyanic acid, inorganic acids such as boric acid, formic acid, Acetic acid, haloacetic acid, propionic acid, glycolic acid, citric acid, tartaric acid, succinic acid, gluconic acid, lactic acid,
Acid addition salts with organic acids such as malonic acid, fumaric acid, anthranilic acid, benzoic acid, cinnamic acid, p-toluenesulfonic acid, naphthalenesulfonic acid, sulfanilic acid, or alkali metals such as sodium and potassium, calcium and barium And salts with metals such as alkaline earth metals and other aluminum, and salts with ammonium and organic amines.

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 aminoalkane derivative of the present invention by known methods, or can be converted into each other.

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)原料物質として、前記一般式(I)中のXが水酸
基である化合物を用いる。該原料物質は、試薬として入
手可能なものも多く、又、アラニン、バリン、ロイシ
ン、イソロイシン、フェニルアラニン、チロシン、セリ
ン等のアミノ酸を通常の方法により還元して得ることも
できる。これらアミノ酸類はD体、L体の分割された光
学異性体が多く製造されており、本発明化合物の各々の
異性体を得る際には便利である。
(1) A compound in which X in the general formula (I) is a hydroxyl group is used as a raw material. Many of the raw materials are available as reagents, and can also be obtained by reducing amino acids such as alanine, valine, leucine, isoleucine, phenylalanine, tyrosine, and serine by an ordinary method. Many of these amino acids are produced in the form of D-forms and L-forms, which are convenient for obtaining each isomer of the compound of the present invention.

まず、出発物質アミノアルコール化合物のメシル化、
トシル化、ハロゲン化、チオエート化を行う。例えば、
塩化メチレン等の反応を阻害しない適当な溶媒中、トリ
エチルアミン等の塩基の存在下、塩化メタンスルホン酸
を反応させることによりメシル化反応を行うことがで
き、又、塩化トルエンスルホン酸等の試薬を用いること
により、トシル化することができる。
First, the mesylation of the starting amino alcohol compound,
Performs tosylation, halogenation, and thioation. For example,
The mesylation reaction can be carried out by reacting methanesulfonic acid in the presence of a base such as triethylamine in a suitable solvent that does not inhibit the reaction such as methylene chloride, or using a reagent such as toluenesulfonic acid chloride. Thus, tosylation can be achieved.

ハロゲン化法としては、テトラブロモメタンとトリフ
ェニルホスフィンを反応させる方法や臭化水素等でハロ
ゲン化する方法などが挙げられ、又、メシル化した化合
物を臭化リチウム等の試薬によりハロゲン化する方法も
利用できる。又、トリフェニルホスフィン及びジエチル
アゾカルボキシレート等の反応試剤で原料物質の水酸基
を活性化した後、チオ酢酸と反応させることによりチオ
エート化することができる。
Examples of the halogenation method include a method of reacting tetrabromomethane with triphenylphosphine, a method of halogenating with hydrogen bromide, and the like, and a method of halogenating a mesylated compound with a reagent such as lithium bromide. Also available. Further, after activating the hydroxyl group of the raw material with a reaction reagent such as triphenylphosphine and diethylazocarboxylate, the thioate can be formed by reacting the raw material with thioacetic acid.

これらのメシル化、トシル化、ハロゲン化、チオエー
ト化に際しては、出発物質の反応に関与しないアミノ基
及び水酸基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いしが、反応の種類に応じ
て保護する必要のない場合もある。
In these mesylation, tosylation, halogenation, and thioation, it is preferable to protect amino groups and hydroxyl groups not involved in the reaction of the starting materials with protecting groups used in ordinary peptide synthesis and the like, Depending on the type of reaction, protection may not be necessary.

(2)次に、上記(1)で得られたアミノアルカン化合
物のメシルオキシ、トシルオキシ、ハロゲン、チオエー
ト誘導体のスルホン化を行う。
(2) Next, the aminoalkane compound obtained in the above (1) is sulfonated with a mesyloxy, tosyloxy, halogen or thioate derivative.

スルホン化反応の前に、t−ブトキシカルボニル等で
アミノ基を保護されている化合物に関しては、該保護基
を除去しておくのが好ましい。保護基の種類によってそ
れぞれ好ましい脱保護基反応が適用できるが、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
により行うことができる。
Prior to the sulfonation reaction, with respect to the compound whose amino group is protected by t-butoxycarbonyl or the like, it is preferable to remove the protecting group. Although a preferred deprotecting group reaction can be applied depending on the type of the protecting group, it can be performed by a usual method such as catalytic reduction and acid decomposition used in peptide synthesis chemistry.

スルホン化反応は、水等の反応を阻害しない適当な溶
媒中、亜硫酸ナトリウム、亜硫酸アンモニウム等と室温
で数時間乃至数十時間反応させることにより実施でき、
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。
The sulfonation reaction can be carried out by reacting with sodium sulfite, ammonium sulfite, or the like at room temperature for several hours to several tens of hours in a suitable solvent such as water, which does not inhibit the reaction.
The compound of the present invention wherein X in the general formula (I) is a sulfo group can be obtained.

チオエート誘導体に関しては、過蟻酸酸化によりスル
ホン化することができる。保護基としてt−ブトキシカ
ルボニル等を用いた場合、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。
The thioate derivative can be sulfonated by performing formic acid oxidation. When t-butoxycarbonyl or the like is used as a protecting group, a deprotecting group reaction can be carried out simultaneously with the oxidation of formic acid, and in the case of a protecting group such as benzyloxycarbonyl, excess peroxidation after oxidation of the formic acid. The protecting group can be removed during the reaction of reducing the product with palladium-carbon or the like, and the operation is simple and preferable.

上述した本発明化合物の製造方法に従えば、分割され
た光学異性体を出発物質として使用することにより、ラ
セミ化することなく最終のアミノアルカンスルホン酸誘
導体の光学異性体を各々製造することができる。
According to the method for producing the compound of the present invention described above, the final optical isomer of the aminoalkanesulfonic acid derivative can be produced without racemization by using the resolved optical isomer as a starting material. .

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)18.9gの(S)−2−(N−ブトキシカルボニ
ル)アミノプロピオン酸と20gの炭酸水素カリウムをジ
メチルホルムアミドに溶かし、10mlのヨウ化メチルを室
温で加えた。20時間かき混ぜた後、水300mlに反応混合
物を加え、ベンゼン−酢酸エチルの混合溶媒で抽出し
た。抽出液を水、5%炭酸水素ナトリウム水溶液、10%
クエン酸水溶液、飽和食塩水で順次洗浄した後、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、
(S)−2−(N−t−ブトキシカルボニル)アミノプ
ロピオン酸メチルエステルを油状物として得た。
(Examples) Example 1. (1) 18.9 g of (S) -2- (N-butoxycarbonyl) aminopropionic acid and 20 g of potassium hydrogen carbonate were dissolved in dimethylformamide, and 10 ml of methyl iodide was added at room temperature. Was. After stirring for 20 hours, the reaction mixture was added to 300 ml of water, and extracted with a mixed solvent of benzene-ethyl acetate. Extract the solution with water, 5% aqueous sodium hydrogen carbonate solution, 10%
After washing sequentially with a citric acid aqueous solution and a saturated saline solution, it was dried over anhydrous sodium sulfate. The solvent is distilled off under reduced pressure,
(S) -2- (Nt-butoxycarbonyl) aminopropionic acid methyl ester was obtained as an oil.

(2)(S)−2−(N−t−ブトキシカルボニル)ア
ミノプロピオン酸メチルエステルと8.48gの塩化リチウ
ムをテトラヒドロフラン140mlに溶かし、7.57gの水素化
ホウ素ナトリウムを加えた。室温でさらに280mlのエタ
ノールを加え20時間かき混ぜた。反応混合物に10%クエ
ン酸水溶液を加えて約pH4とした後、有機溶媒を減圧下
に溜去した。残渣水層を塩化メチレンで抽出処理を行
い、水、10%クエン酸水溶液、飽和食塩水で順次洗浄
し、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、析出した白色結晶をエーテル、石油エーテルか
ら濾取して、16.3gの(S)−2−(N−t−ブトキシ
カルボニル)アミノプロパン−1−オールを得た。
(2) (S) -2- (Nt-butoxycarbonyl) aminopropionic acid methyl ester and 8.48 g of lithium chloride were dissolved in 140 ml of tetrahydrofuran, and 7.57 g of sodium borohydride was added. At room temperature, 280 ml of ethanol was further added and stirred for 20 hours. After adding a 10% aqueous citric acid solution to the reaction mixture to adjust the pH to about 4, the organic solvent was distilled off under reduced pressure. The residual aqueous layer was extracted with methylene chloride, washed sequentially with water, a 10% aqueous citric acid solution and saturated saline, and dried over anhydrous sodium sulfate. The solvent was distilled off under reduced pressure, and the precipitated white crystals were collected by filtration from ether and petroleum ether to obtain 16.3 g of (S) -2- (Nt-butoxycarbonyl) aminopropan-1-ol. .

収 率:93% 融 点:56−57℃ 〔α〕24=−10.5(c=1,CHCl3) (1)及び(2)の方法と同様にして、以下の化合物
を得た。
Yield: 93% Melting point: 56-57 ° C. [α] 24 = -10.5 (c = 1, CHCl 3 ) The following compounds were obtained in the same manner as in the methods (1) and (2).

(R)−2−(N−t−ブトキシカルボニル)アミノ
プロパン−1−オールを得た。
(R) -2- (Nt-butoxycarbonyl) aminopropan-1-ol was obtained.

収 率:95% 融 点:60−61℃ 〔α〕24=+10.6(c=1,CHCl3) (S)−2−(N−t−ブトキシカルボニル)アミノ−
3−メチルブタン−1−オール (R)−2−(N−t−ブトキシカルボニル)アミノ−
3−メチルブタン−1−オール (S)−2−(N−t−ブトキシカルボニル)アミノ−
4−メチルペンタン−1−オール (S)−2−(N−t−ブトキシカルボニル)アミノ−
3−フェニルプロパン−1−オール (R)−2−(N−t−ブトキシカルボニル)アミノ−
3−フェニルプロパン−1−オール (R)−2−(N−t−ブトキシカルボニル)アミノ−
2−フェニルエタノール (S)−3−ベンジルオキシ−2−(N−t−ブトキシ
カルボニル)アミノプロパン−1−オール (3)14.9gの(S)−2−(N−t−ブトキシカルボ
ニル)アミノプロパン−1−オールと9.11gのトリエチ
ルアミンを300mlの塩化メチレンに溶かし、−5℃にて9
0mmolの塩化メタンスルホン酸の塩化メチレン溶液を徐
々に滴下して加えた。溶媒を減圧下に溜去した後、残渣
を酢酸エチルと水に溶かした。有機層を分離して水と飽
和食塩水で洗浄した後、無水硫酸ナトリウム上で乾燥
し、溶媒を減圧下に溜去して20.6gの(S)−2−(N
−t−ブトキシカルボニル)アミノ−1−(メタンスル
ホニル)オキシプロパンを得た。
Yield: 95% Melting point: 60-61 ° C [α] 24 = +10.6 (c = 1, CHCl 3 ) (S) -2- (Nt-butoxycarbonyl) amino-
3-methylbutan-1-ol (R) -2- (Nt-butoxycarbonyl) amino-
3-methylbutan-1-ol (S) -2- (Nt-butoxycarbonyl) amino-
4-methylpentan-1-ol (S) -2- (Nt-butoxycarbonyl) amino-
3-phenylpropan-1-ol (R) -2- (Nt-butoxycarbonyl) amino-
3-phenylpropan-1-ol (R) -2- (Nt-butoxycarbonyl) amino-
2-phenylethanol (S) -3-benzyloxy-2- (Nt-butoxycarbonyl) aminopropan-1-ol (3) 14.9 g of (S) -2- (Nt-butoxycarbonyl) amino Dissolve propan-1-ol and 9.11 g of triethylamine in 300 ml of methylene chloride.
A solution of 0 mmol of chloromethanesulfonic acid in methylene chloride was slowly added dropwise. After evaporating the solvent under reduced pressure, the residue was dissolved in ethyl acetate and water. The organic layer was separated, washed with water and saturated saline, dried over anhydrous sodium sulfate, and the solvent was distilled off under reduced pressure to obtain 20.6 g of (S) -2- (N
-T-Butoxycarbonyl) amino-1- (methanesulfonyl) oxypropane was obtained.

収 率:96% 融 点:75−76℃ 〔α〕24=−30.2(c=1,CHCl3) NMR(DMSO−d6):1.06(3H,d,J=7Hz),1.39(9H,
s),3.16(3H,s),3.69−3.80(1H,m),4.04(2H,d,J=
6Hz),6.93(1H,d,J=8Hz) 同様にして、以下の化合物を得た。
Yield: 96% Melting point: 75-76 ° C [α] 24 = -30.2 (c = 1, CHCl 3 ) NMR (DMSO-d 6 ): 1.06 (3H, d, J = 7 Hz), 1.39 (9H,
s), 3.16 (3H, s), 3.69-3.80 (1H, m), 4.04 (2H, d, J =
6Hz), 6.93 (1H, d, J = 8Hz) The following compounds were obtained in the same manner.

(R)−2−(N−t−ブトキシカルボニル)アミノ−
1−(メタンスルホニル)オキシプロパン 収 率:98% 融 点:75−76℃(分解) 〔α〕24=+29.9(c=1,CHCl3) (S)−2−(N−t−ブトキシカルボニル)アミノ−
1−(メタンスルホニル)オキシ−3−メチルブタン 収 率:89% 融 点:75−77℃(分解) 〔α〕25=−34.9(c=1,CHCl3) NMR(DMSO−d6):0.84(3H,d,J=7Hz),0.87(3H,d,J
=7Hz),1.39(9H,s),1.75(1H,dqq,J=7,7,7Hz),3.1
6(3H,s),3.50(1H,dddd,J=4,7,7,9Hz),4.07(1H,d
d,J=7,10Hz),4.18(1H,dd,J=4,19Hz),6.91(1H,d,J
=9Hz) (R)−2−(N−t−ブトキシカルボニル)アミノ−
1−(メタンスルホニル)オキシ−3−メチルブタン 収 率:90% 融 点:73−75℃(分解) 〔α〕25=+33.0(c=1,CHCl3) (S)−2−(N−t−ブトキシカルボニル)アミノ−
1−(メタンスルホニル)オキシ−4−メチルペンタン 収 率:97% 融 点:82−83℃ 〔α〕24=−32.7(c=1,CHCl3) (S)−2−(N−t−ブトキシカルボニル)アミノ−
1−(メタンスルホニル)オキシ−3−フェニルプロパ
ン 収 率:93% 融 点:116−117℃(分解) 〔α〕24=−17.4(c=1,CHCl3) NMR(DMSO−d6):1.31(9H,s),2.67(1H,dd,J=9,14
Hz),2.79(1H,dd,J=5,14Hz),3.17(3H,s),3.84−3.
93(1H,m),4.08(1H,dd,J=6,10Hz),4.15(1H,dd,J=
5,10Hz),7.01(1H,d,J=9Hz),7.17−7.31(5H,m) (R)−2−(N−t−ブトキシカルボニル)アミノ−
1−(メタンスルホニル)オキシ−3−フェニルプロパ
ン 収 率:95% 融 点:116−117℃(分解) 〔α〕24=+18.0(c=1,CHCl3) (R)−2−(N−t−ブトキシカルボニル)アミノ−
2−フェニル−1−(メタンスルホニル)オキシエタン 収 率:98% 融 点:107−109℃ 〔α〕25=−11.2(c=1,CHCl3) NMR(DMSO−d6):1.38(9H,s),3.15(3H,s),4.24
(1H,dd,J=8,10Hz),4.27(1H,dd,J=5.5,10Hz),4.85
−4.91(1H,m),7.26−7.40(5H,m),7.65(1H,d,J=9H
z) (S)−3−ベンジルオキシ−2−(N−t−ブトキシ
カルボニル)アミノ−1−(メタンスルホニル)オキシ
プロパン (4)20.6gの(S)−2−(N−t−ブトキシカルボ
ニル)アミノ−1−(メタンスルホニル)オキシプロパ
ンを300mlの4N塩化水素/ジオキサンで室温にて1時間
処理した。減圧下に溶媒を溜去した後、残渣結晶状物を
エーテルより濾取し、水酸化ナトリウム上減圧下に乾燥
して、14.2gの(S)−2−アミノ−1−(メタンスル
ホニル)オキシプロパン塩酸塩を得た。
(R) -2- (Nt-butoxycarbonyl) amino-
1- (methanesulfonyl) oxypropane Yield: 98% Melting point: 75-76 ° C (decomposition) [α] 24 = +29.9 (c = 1, CHCl 3 ) (S) -2- (Nt- Butoxycarbonyl) amino-
1- (methanesulfonyl) oxy-3-methylbutane Yield: 89% Melting point: 75-77 ° C. (decomposition) [α] 25 = −34.9 (c = 1, CHCl 3 ) NMR (DMSO-d 6 ): 0.84 (3H, d, J = 7Hz), 0.87 (3H, d, J
= 7Hz), 1.39 (9H, s), 1.75 (1H, dqq, J = 7,7,7Hz), 3.1
6 (3H, s), 3.50 (1H, dddd, J = 4,7,7,9Hz), 4.07 (1H, d
d, J = 7,10Hz), 4.18 (1H, dd, J = 4,19Hz), 6.91 (1H, d, J
= 9 Hz) (R) -2- (Nt-butoxycarbonyl) amino-
1- (methanesulfonyl) oxy-3-methylbutane Yield: 90% Melting point: 73-75 ° C. (decomposition) [α] 25 = + 33.0 (c = 1, CHCl 3 ) (S) -2- (N -T-butoxycarbonyl) amino-
1- (methanesulfonyl) oxy-4-methylpentane Yield: 97% Melting point: 82-83 ° C [α] 24 = -32.7 (c = 1, CHCl 3 ) (S) -2- (Nt- Butoxycarbonyl) amino-
1- (methanesulfonyl) oxy-3-phenylpropane yield: 93% Melting point: 116-117 ° C (decomposition) [α] 24 = -17.4 (c = 1, CHCl 3 ) NMR (DMSO-d 6 ): 1.31 (9H, s), 2.67 (1H, dd, J = 9,14
Hz), 2.79 (1H, dd, J = 5, 14Hz), 3.17 (3H, s), 3.84-3.
93 (1H, m), 4.08 (1H, dd, J = 6,10Hz), 4.15 (1H, dd, J =
5,10 Hz), 7.01 (1H, d, J = 9 Hz), 7.17-7.31 (5H, m) (R) -2- (Nt-butoxycarbonyl) amino-
1- (methanesulfonyl) oxy-3-phenylpropane Yield: 95% Melting point: 116-117 ° C (decomposition) [α] 24 = + 18.0 (c = 1, CHCl 3 ) (R) -2- ( Nt-butoxycarbonyl) amino-
2-phenyl-1- (methanesulfonyl) oxyethane Yield: 98% Melting point: 107-109 ° C [α] 25 = -11.2 (c = 1, CHCl 3 ) NMR (DMSO-d 6 ): 1.38 (9H, s), 3.15 (3H, s), 4.24
(1H, dd, J = 8,10Hz), 4.27 (1H, dd, J = 5.5,10Hz), 4.85
−4.91 (1H, m), 7.26−7.40 (5H, m), 7.65 (1H, d, J = 9H
z) (S) -3-benzyloxy-2- (Nt-butoxycarbonyl) amino-1- (methanesulfonyl) oxypropane (4) 20.6 g of (S) -2- (Nt-butoxycarbonyl) ) Amino-1- (methanesulfonyl) oxypropane was treated with 300 ml of 4N hydrogen chloride / dioxane for 1 hour at room temperature. After evaporating the solvent under reduced pressure, the residual crystalline material was collected by filtration from ether, dried over sodium hydroxide under reduced pressure, and dried with 14.2 g of (S) -2-amino-1- (methanesulfonyl) oxy. Propane hydrochloride was obtained.

収 率:100% 融 点:132−133℃ 〔α〕24=+10.3(c=1,DMF) NMR(DMSO−d6):1.25(3H,d,J=7Hz),3.30(3H,
s),3.49−3.58(1H,m),4.31(1H,dd,J=7,11Hz),8.5
3(3H,brs) 同様にして、以下の化合物を得た。
Yield: 100% Melting point: 132-133 ° C [α] 24 = +10.3 (c = 1, DMF) NMR (DMSO-d 6 ): 1.25 (3H, d, J = 7 Hz), 3.30 (3H,
s), 3.49-3.58 (1H, m), 4.31 (1H, dd, J = 7,11Hz), 8.5
3 (3H, brs) In the same manner, the following compound was obtained.

(S)−2−アミノ−1−(メタンスルホニル)オキシ
プロパン塩酸塩 収 率:99% 融 点:135−136℃ 〔α〕24=−10.3(c=1,DMF) (S)−2−アミノ−1−(メタンスルホニル)オキシ
−3−メチルブタン塩酸塩 収 率:99% 融 点:126−128℃ 〔α〕24=+6.6(c=1,DMF) NMR(DMSO−d6):0.97(3H,d,J=7Hz),0.99(3H,d,J
=7Hz),1.99(1H,dqq,J=7,7,7Hz),3.23−3.28(1H,
m),3.31(3H,s),4.34(1H,dd,J=6,11Hz),4.46(1H,
dd,J=3,11Hz),8.45(3H,brs) (R)−2−アミノ−1−(メタンスルホニル)オキシ
−3−メチルブタン塩酸塩 収 率:98% 融 点:129−131℃ 〔α〕24=−6.7(c=1,DMF) (S)−2−アミノ−1−(メタンスルホニル)オキシ
−4−メチルペンタン塩酸塩 収 率:98% 融 点:137−138℃ 〔α〕24=+7.0(c=1,DMF) (S)−2−アミノ−1−(メタンスルホニル)オキシ
−3−フェニルプロパン塩酸塩 収 率:100% 融 点:133−134℃ 〔α〕24=+7.7(c=1,DMF) NMR(DMSO−d6):2.89(1H,dd,J=9,14Hz),3.10(1
H,dd,J=6,14Hz),3.28(3H,s),3.72−3.78(1H,m),
4.19(3H,dd,J=5.5,11Hz),4.34(1H,dd,J=3,11Hz),
7.26−7.39(5H,m),8.69(3H,brs) (R)−2−アミノ−1−(メタンスルホニル)オキシ
−3−フェニルプロパン塩酸塩 収 率:100% 融 点:128−130℃ 〔α〕24=−7.4(c=1,DMF) (R)−2−アミノ−2−フェニル−1−(メタンスル
ホニル)オキシエタン塩酸塩 収 率:100% 融 点:144−146℃ 〔α〕24=−9.4(c=1,DMF) NMR(DMSO−d6):3.56(3H,s),4.53(1H,dd,J=4.5,
11.5Hz),4.62(1H,dd,J=7.5,11.5Hz),4.71(1H,dd,J
=4.5,7.5Hz),7.40−7.49(3H,m),7.61−7.65(2H,
m),9.09(3H,brs) (S)−2−アミノ−3−ベンジルオキシ−1−(メタ
ンスルホニル)オキシプロパン塩酸塩 収 率:97% 融 点:112−114℃ 〔α〕24=+3.1(c=1,DMF) NMR(DMSO,TMS):3.28(3H,s),3.63−3.74(3H,m),
4.40(1H,dd,J=5,11Hz),4.48(1H,dd,J=3.5,11Hz),
4.55,4.56(2H,ABq,J=12Hz),7.28−7.41(5H,m),8.6
3(3H,bs) (4)7.59gの(S)−2−アミノ−1−(メタンスル
ホニル)オキシプロパン塩酸塩と7.56gの亜硫酸ナトリ
ウムを水に溶かし、室温で20時間かき混ぜた。反応混合
物を強酸性イオン交換樹脂に通し、溶出液を減圧下に溜
去して析出した結晶を再び水に溶かした。これを強塩基
性イオン交換樹脂に通した後、減圧下に水を溜去して析
出した白色結晶にエタノールを加えて濾取し、4.56gの
(S)−2−アミノプロパン−1−スルホン酸を得た。
(S) -2-amino-1- (methanesulfonyl) oxypropane hydrochloride Yield: 99% Melting point: 135-136 ° C [α] 24 = -10.3 (c = 1, DMF) (S) -2- Amino-1- (methanesulfonyl) oxy-3-methylbutane hydrochloride yield: 99% Melting point: 126-128 ° C [α] 24 = +6.6 (c = 1, DMF) NMR (DMSO-d 6 ): 0.97 (3H, d, J = 7Hz), 0.99 (3H, d, J
= 7Hz), 1.99 (1H, dqq, J = 7, 7, 7Hz), 3.23-3.28 (1H,
m), 3.31 (3H, s), 4.34 (1H, dd, J = 6,11Hz), 4.46 (1H,
dd, J = 3,11 Hz), 8.45 (3H, brs) (R) -2-amino-1- (methanesulfonyl) oxy-3-methylbutane hydrochloride Yield: 98% Melting point: 129-131 ° C [α 24 = -6.7 (c = 1, DMF) (S) -2-amino-1- (methanesulfonyl) oxy-4-methylpentane hydrochloride Yield: 98% Melting point: 137-138 ° C [α] 24 = + 7.0 (c = 1, DMF) (S) -2-amino-1- (methanesulfonyl) oxy-3-phenylpropane hydrochloride Yield: 100% Melting point: 133-134 ° C [α] 24 = +7.7 (c = 1, DMF) NMR (DMSO-d 6): 2.89 (1H, dd, J = 9,14Hz), 3.10 (1
H, dd, J = 6,14Hz), 3.28 (3H, s), 3.72-3.78 (1H, m),
4.19 (3H, dd, J = 5.5,11Hz), 4.34 (1H, dd, J = 3,11Hz),
7.26-7.39 (5H, m), 8.69 (3H, brs) (R) -2-amino-1- (methanesulfonyl) oxy-3-phenylpropane hydrochloride Yield: 100% Melting point: 128-130 ° C [ α] 24 = −7.4 (c = 1, DMF) (R) -2-amino-2-phenyl-1- (methanesulfonyl) oxyethane hydrochloride Yield: 100% Melting point: 144-146 ° C. [α] 24 = -9.4 (c = 1, DMF ) NMR (DMSO-d 6): 3.56 (3H, s), 4.53 (1H, dd, J = 4.5,
11.5Hz), 4.62 (1H, dd, J = 7.5,11.5Hz), 4.71 (1H, dd, J
= 4.5,7.5Hz), 7.40-7.49 (3H, m), 7.61-7.65 (2H,
m), 9.09 (3H, brs) (S) -2-amino-3-benzyloxy-1- (methanesulfonyl) oxypropane hydrochloride Yield: 97% Melting point: 112-114 ° C [α] 24 = +3 .1 (c = 1, DMF) NMR (DMSO, TMS): 3.28 (3H, s), 3.63-3.74 (3H, m),
4.40 (1H, dd, J = 5,11Hz), 4.48 (1H, dd, J = 3.5,11Hz),
4.55,4.56 (2H, ABq, J = 12Hz), 7.28-7.41 (5H, m), 8.6
3 (3H, bs) (4) 7.59 g of (S) -2-amino-1- (methanesulfonyl) oxypropane hydrochloride and 7.56 g of sodium sulfite were dissolved in water and stirred at room temperature for 20 hours. The reaction mixture was passed through a strongly acidic ion exchange resin, the eluate was distilled off under reduced pressure, and the precipitated crystals were dissolved again in water. After passing this through a strong basic ion exchange resin, water was distilled off under reduced pressure, ethanol was added to the precipitated white crystals, and the crystals were collected by filtration, and 4.56 g of (S) -2-aminopropane-1-sulfone was added. The acid was obtained.

収 率:82% 融 点:>330℃ 〔α〕25=+18.5(c=1,H2O) 元素分析:C3H9NO3Sとして C% H% N% 計算値: 25.89 6.52 10.16 実測値: 26.11 6.86 10.25 NMR(0.2NNaOD,t−BuOD):1.15(3H,d,J=6.5Hz),2.
86(1H,dd,J=8,14Hz),2.97(1H,dd,J=4,14Hz),3.31
−3.39(1H,m) 同様にして、以下の化合物を得た。
Yield: 82% Melting point:> 330 ° C. [α] 25 = + 18.5 (c = 1 , H 2 O) Elemental analysis: C% H% N% Calculated as C 3 H 9 NO 3 S: 25.89 6.52 10.16 Found: 26.11 6.86 10.25 NMR (0.2NNaOD, t-BuOD): 1.15 (3H, d, J = 6.5Hz), 2.
86 (1H, dd, J = 8,14Hz), 2.97 (1H, dd, J = 4,14Hz), 3.31
-3.39 (1H, m) In the same manner, the following compound was obtained.

(R)−2−アミノプロパン−1−スルホン酸 収 率:67% 融 点:>330℃ 〔α〕25=−18.3(c=1,H2O) 元素分析:C3H9NO3Sとして C% H% N% 計算値: 25.89 6.52 10.16 実測値: 26.03 6.80 10.40 (S)−2−アミノ−3−メチルブタン−1−スルホン
酸 収 率:89% 融 点:325℃(分解) 〔α〕22=+29.8(c=1,H2O) 元素分析:C5H13NO3Sとして C% H% N% 計算値: 35.91 7.84 8.38 実測値: 35.94 7.98 8.19 NMR(0.2NNaOD,t−BuOD):0.89(3H,d,J=7Hz),0.90
(3H,d,J=7Hz),1.66−1.78(1H,m),2.76(1H,dd,J=
9.5,14.5Hz),3.03−3.09(2H,m) (R)−2−アミノ−3−メチルブタン−1−スルホン
酸 収 率:67% 融 点:325℃(分解) 〔α〕22=−29.7(c=1,H2O) 元素分析:C5H13NO3Sとして C% H% N% 計算値: 35.91 7.84 8.38 実測値: 35.96 7.91 8.70 (S)−2−アミノ−4−メチルペンタン−1−スルホ
ン酸 融 点:>300℃ 〔α〕20=+15.5(c=1,H2O) NMR(0.2NNaOD,t−BuOD):0.89(3H,d,J=7Hz),0.90
(3H,d,J=7Hz),1.30(2H,dd,J=7,7Hz),1.67(1H,dq
q,J=7,7,7Hz),2.78(1H,dd,J=1H,dd,J=9,14Hz),3.
01(1H,dd,J=3,14Hz)3.29(1H,ddt,J=3,9,7Hz) (S)−2−アミノ−3−フェニルプロパン−1−スル
ホン酸 収 率:72% 融 点:>330℃ 〔α〕22=−3.5(c=1,H2O) 元素分析:C9H13NO3Sとして C% H% N% 計算値: 50.22 6.09 6.51 実測値: 50.44 6.30 6.30 NMR(0.2NNaOD,t−BuOD):2.68(1H,dd,J=8,13Hz),
2.85(1H,dd,J=9,14Hz),2.86(1H,dd,J=5.5,13Hz),
3.05(1H,dd,J=3,14Hz),3.48−3.55(1H,m),7.28−
7.41(5H,m) (R)−2−アミノ−3−フェニルプロパン−1−スル
ホン酸 収 率:83% 融 点:>330℃ 〔α〕22=+3.6(c=1,H2O) 元素分析:C9H13NO3Sとして C% H% N% 計算値: 50.22 6.09 6.51 実測値: 50.03 6.38 6.45 (R)−2−アミノ−2−フェニルエタン−1−スルホ
ン酸 収 率:79% 融 点:>330℃ 〔α〕25=+1.3(c=1,H2O) 元素分析:C8H11NO3Sとして C% H% N% 計算値: 47.75 5.51 6.96 実測値: 47.80 5.44 6.96 NMR(0.2NNaOD,t−BuOD):3.23(1H,dd,J=10,13H
z),3.43(1H,dd,J=5.5,13Hz),4.08(1H,dd,J=5.5,1
0Hz),7.40−7.46(5H,m) (S)−2−アミノ−3−ベンジルオキシプロパン−1
−スルホン酸 収 率:76% 融 点:242−243℃ 〔α〕25=−8.4(c=1,H2O) 元素分析:C10H15NO4Sとして C% H% N% 計算値: 48.97 6.16 5.71 実測値: 48.95 5.88 5.78 NMR(0.2NNaOD,t−BuOD):2.83(1H,dd,J=8,14Hz),
3.05(1H,dd,J=3.5,14Hz),3.42−3.51(2H,m),3.55
−3.61(1H,m),4.59(2H,s),7.36−7.46(5H,m) 実施例2. 9.81gの(S)−2−アミノ−3−ベンジルオキシプ
ロパン−1−スルホン酸を水、酢酸、メタノールの混合
溶媒140mlに溶かし、1gの10%パラジウム−炭素の存在
下、常圧室温にて20時間接触還元を行った。触媒を濾去
した後、濾液を減圧下に溜去した。残渣にトルエンを加
えて減圧下で溜去することにより、残留する酢酸を共沸
除去した。析出した白色結晶をエタノールを加えて濾取
した。これをエタノール水より再結晶して4.39gの
(S)−2−アミノ−3−ヒドロキシプロパン−1−ス
ルホン酸を得た。
(R) -2-aminopropane-1-sulfonic acid yield: 67% Melting point:> 330 ° C [α] 25 = -18.3 (c = 1, H 2 O) Elemental analysis: C 3 H 9 NO 3 S C% H% N% Calculated: 25.89 6.52 10.16 Found: 26.03 6.80 10.40 (S) -2-Amino-3-methylbutane-1-sulfonic acid Yield: 89% Melting point: 325 ° C (decomposition) [α ] 22 = + 29.8 (c = 1 , H 2 O) elemental analysis: C 5 H 13 NO 3 C % H% N% calculated S: 35.91 7.84 8.38 Found: 35.94 7.98 8.19 NMR (0.2NNaOD, t −BuOD): 0.89 (3H, d, J = 7 Hz), 0.90
(3H, d, J = 7Hz), 1.66-1.78 (1H, m), 2.76 (1H, dd, J =
(9.5, 14.5 Hz), 3.03-3.09 (2H, m) (R) -2-amino-3-methylbutane-1-sulfonic acid Yield: 67% Melting point: 325 ° C (decomposition) [α] 22 = -29.7 (C = 1, H 2 O) Elemental analysis: C 5 H 13 NO 3 S C% H% N% Calculated: 35.91 7.84 8.38 Found: 35.96 7.91 8.70 (S) -2-amino-4-methylpentane -1-sulfonic acid melting point:> 300 ° C. [α] 20 = + 15.5 (c = 1, H 2 O) NMR (0.2NNaOD, t-BuOD): 0.89 (3H, d, J = 7 Hz), 0.90
(3H, d, J = 7Hz), 1.30 (2H, dd, J = 7,7Hz), 1.67 (1H, dq
q, J = 7,7,7Hz), 2.78 (1H, dd, J = 1H, dd, J = 9,14Hz), 3.
01 (1H, dd, J = 3,14Hz) 3.29 (1H, ddt, J = 3,9,7Hz) (S) -2-Amino-3-phenylpropane-1-sulfonic acid Yield: 72% Melting point :> 330 ° C [α] 22 = -3.5 (c = 1, H 2 O) Elemental analysis: C 9 H 13 NO 3 S C% H% N% Calculated: 50.22 6.09 6.51 Observed: 50.44 6.30 6.30 NMR (0.2NNaOD, t-BuOD): 2.68 (1H, dd, J = 8,13Hz),
2.85 (1H, dd, J = 9,14Hz), 2.86 (1H, dd, J = 5.5,13Hz),
3.05 (1H, dd, J = 3,14Hz), 3.48−3.55 (1H, m), 7.28−
7.41 (5H, m) (R) -2-amino-3-phenylpropane-1-sulfonic acid yield: 83% Melting point:> 330 ° C [α] 22 = + 3.6 (c = 1, H 2 O ) elemental analysis: C% H% N% calculated as C 9 H 13 NO 3 S: 50.22 6.09 6.51 Found: 50.03 6.38 6.45 (R) -2-amino-2-phenyl-1-sulfonic acid yield: 79% Melting point:> 330 ° C [α] 25 = +1.3 (c = 1, H 2 O) Elemental analysis: C 8 H 11 NO 3 S C% H% N% Calculated: 47.75 5.51 6.96 Actual value : 47.80 5.44 6.96 NMR (0.2NNaOD, t-BuOD): 3.23 (1H, dd, J = 10,13H)
z), 3.43 (1H, dd, J = 5.5,13Hz), 4.08 (1H, dd, J = 5.5,1
0 Hz), 7.40-7.46 (5H, m) (S) -2-amino-3-benzyloxypropane-1
-Sulfonic acid yield: 76% Melting point: 242-243 ° C [α] 25 = -8.4 (c = 1, H 2 O) Elemental analysis: C 10 H 15 NO 4 S C% H% N% Calculated value : 48.97 6.16 5.71 Found: 48.95 5.88 5.78 NMR (0.2NNaOD, t-BuOD): 2.83 (1H, dd, J = 8,14Hz),
3.05 (1H, dd, J = 3.5,14Hz), 3.42-3.51 (2H, m), 3.55
-3.61 (1H, m), 4.59 (2H, s), 7.36-7.46 (5H, m) Example 2. 9.81 g of (S) -2-amino-3-benzyloxypropane-1-sulfonic acid was added to water. , Acetic acid and methanol in a mixed solvent of 140 ml, and subjected to catalytic reduction in the presence of 1 g of 10% palladium-carbon at normal pressure and room temperature for 20 hours. After filtering off the catalyst, the filtrate was distilled off under reduced pressure. Residual acetic acid was removed azeotropically by adding toluene to the residue and distilling off under reduced pressure. The precipitated white crystals were added with ethanol and collected by filtration. This was recrystallized from ethanol water to obtain 4.39 g of (S) -2-amino-3-hydroxypropane-1-sulfonic acid.

収 率:79% 融 点:279−281℃(分解) 〔α〕25=+7.5(c=1,H2O) 元素分析:C3H9NO4Sとして C% H% N% 計算値: 23.22 5.84 9.03 実測値: 23.50 6.14 8.91 NMR(0.2NNaOD,t−BuOD):2.83(1H,dd,J=9,14Hz),
3.07(1H,dd,J=3.5,14Hz),3.23−3.34(1H,m),3.51
(1H,dd,J=6.5,11Hz),3.58(1H,dd,J=5.5,11Hz) 実施例3. 4.35gの(S)−2−アミノ−1−(メタンスルホニ
ル)オキシ−3−メチルブタンと4.02gの亜硫酸アンモ
ニウムを水に溶かし、室温で20時間かき混ぜた。反応混
合物を、強酸性イオン交換樹脂に通し、溶出液を減圧下
に溜去して析出した結晶を再び水に溶かした。これを強
塩基性イオン交換樹脂に通した後、減圧下に水を溜去し
て析出した白色結晶にエタノールを加えて濾取し、2.87
gの(S)−2−アミノ−3−メチルブタン−1−スル
ホン酸を得た。
Yield: 79% Melting point: 279-281 ° C (decomposition) [α] 25 = +7.5 (c = 1, H 2 O) Elemental analysis: C% H% N% calculated as C 3 H 9 NO 4 S Value: 23.22 5.84 9.03 Found: 23.50 6.14 8.91 NMR (0.2NNaOD, t-BuOD): 2.83 (1H, dd, J = 9,14Hz),
3.07 (1H, dd, J = 3.5,14Hz), 3.23-3.34 (1H, m), 3.51
(1H, dd, J = 6.5,11Hz), 3.58 (1H, dd, J = 5.5,11Hz) Example 3. 4.35g of (S) -2-amino-1- (methanesulfonyl) oxy-3-methylbutane And 4.02 g of ammonium sulfite were dissolved in water and stirred at room temperature for 20 hours. The reaction mixture was passed through a strongly acidic ion exchange resin, the eluate was distilled off under reduced pressure, and the precipitated crystals were dissolved again in water. After passing this through a strong basic ion exchange resin, water was distilled off under reduced pressure, ethanol was added to the precipitated white crystals, and the crystals were collected by filtration.
g of (S) -2-amino-3-methylbutane-1-sulfonic acid were obtained.

収 率:86% 実施例4. (1)13.2gの(S)−2−(N−t−ブトキシカルボ
ニル)アミノ−1−(メタンスルホニル)オキシ−3−
メチルブタンとと12.3gの臭化リチウムを100mlの無水ア
セトンに溶かし、室温で20時間かき混ぜた。水、5%炭
酸水素ナトリウム水溶液、飽和食塩水で順次洗浄した
後、硫酸ナトリウム上で乾燥した。溶媒を減圧下で溜去
し、得られた粗生成物をシリカゲルカラムクロマトグラ
フィーで精製して7.19gの(S)−2−(N−t−ブト
キシカルボニル)アミノ−1−ブロモ−3−メチルブタ
ンを得た。
Yield: 86% Example 4. (1) 13.2 g of (S) -2- (Nt-butoxycarbonyl) amino-1- (methanesulfonyl) oxy-3-
Methylbutane and 12.3 g of lithium bromide were dissolved in 100 ml of anhydrous acetone and stirred at room temperature for 20 hours. After washing with water, a 5% aqueous sodium hydrogen carbonate solution and a saturated saline solution in that order, the extract was dried over sodium sulfate. The solvent was distilled off under reduced pressure, and the obtained crude product was purified by silica gel column chromatography to obtain 7.19 g of (S) -2- (Nt-butoxycarbonyl) amino-1-bromo-3-methylbutane I got

収 率:57% 融 点:70−71℃ 〔α〕25=−35.6(c=1,CHCl3) NMR(DMSO−d6):0.84(6H,t,J=7Hz),1.39(9H,
s),1.72−1.84(1H,m),3.40−3.49(2H,m),3.54−3.
61(1H,m),6.84(1H,d,J=8Hz) (2)6.12gの(S)−2−(N−t−ブトキシカルボ
ニル)アミノ−1−ブロモ−3−メチルブタンと4N塩化
水素/ジオキサンを室温で1時間かき混ぜた。溶媒を減
圧下に溜去し、析出した結晶をエタノールを加えて濾取
し、4.37gの(S)−2−アミノ−1−ブロモ−3−メ
チルブタン塩酸塩を得た。
Yield: 57% Melting point: 70-71 ° C [α] 25 = −35.6 (c = 1, CHCl 3 ) NMR (DMSO-d 6 ): 0.84 (6H, t, J = 7 Hz), 1.39 (9H,
s), 1.72-1.84 (1H, m), 3.40-3.49 (2H, m), 3.54-3.
61 (1H, m), 6.84 (1H, d, J = 8Hz) (2) 6.12g of (S) -2- (Nt-butoxycarbonyl) amino-1-bromo-3-methylbutane and 4N hydrogen chloride / Dioxane was stirred at room temperature for 1 hour. The solvent was distilled off under reduced pressure, and the precipitated crystals were added with ethanol and collected by filtration to obtain 4.37 g of (S) -2-amino-1-bromo-3-methylbutane hydrochloride.

収 率:94% 融 点:208−209℃(分解) 〔α〕25=+17.0(c=1,H2O) NMR(DMSO−d6):0.94(3H,d,J=7Hz),0.99(3H,d,J
=7Hz),1.95−2.07(1H,m),3.15−3.22(1H,m),3.75
(1H,dd,J=5,11Hz),3.89(1H,dd,J=4,11Hz),8.51
(3H,brs) (3)3.44gの(S)−2−アミノ−1−ブロモ−3−
メチルブタン塩酸塩と3.21gの亜硫酸ナトリウムを水に
溶かし、室温で20時間かき混ぜた。反応混合物を、強酸
性イオン交換樹脂に通し、溶出液を減圧下に溜去して析
出した結晶を再び水に溶かした。これを強塩基性イオン
交換樹脂に通した後、減圧下に水を溜去して析出した白
色結晶にエタノールを加えて濾取し、2.52gの(S)−
2−アミノ−3−メチルブタン−1−スルホン酸を得た
(収率:89%)。
Yield: 94% Melting point: 208-209 ° C (decomposition) [α] 25 = +17.0 (c = 1, H 2 O) NMR (DMSO-d 6 ): 0.94 (3H, d, J = 7 Hz) , 0.99 (3H, d, J
= 7Hz), 1.95-2.07 (1H, m), 3.15-3.22 (1H, m), 3.75
(1H, dd, J = 5,11Hz), 3.89 (1H, dd, J = 4,11Hz), 8.51
(3H, brs) (3) 3.44 g of (S) -2-amino-1-bromo-3-
Methylbutane hydrochloride and 3.21 g of sodium sulfite were dissolved in water and stirred at room temperature for 20 hours. The reaction mixture was passed through a strongly acidic ion exchange resin, the eluate was distilled off under reduced pressure, and the precipitated crystals were dissolved again in water. After passing this through a strong basic ion exchange resin, water was distilled off under reduced pressure, ethanol was added to the precipitated white crystals, and the crystals were collected by filtration, and 2.52 g of (S)-
2-Amino-3-methylbutane-1-sulfonic acid was obtained (yield: 89%).

同様にして、(R)−2−アミノ−3−メチルブタン
−1−スルホン酸を得た(収率:67%)。
Similarly, (R) -2-amino-3-methylbutane-1-sulfonic acid was obtained (yield: 67%).

実施例5. (1)アルゴン雰囲気下、6.52gの(2S,3R)−2−ベン
ジルオキシカルボニルアミノ−3−メチルペンタノール
と8.66gのトリフェニルホスフィンのテトラヒドロフラ
ン溶液150mlを氷浴にて冷却し、5.2mlのジエチルアゾジ
カルボキシレート、2.4mlのチオ酢酸を順次加えた。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。残渣をシリカゲルカラムクロマトグラフ
ィーで精製して、7.25gの(2S,3R)−2−(N−ベンジ
ルオキシカルボニル)アミノ−3−メチルペンチルエタ
ンチオエートを白色結晶として得た。
Example 5. (1) Under an argon atmosphere, 150 ml of a tetrahydrofuran solution of 6.52 g of (2S, 3R) -2-benzyloxycarbonylamino-3-methylpentanol and 8.66 g of triphenylphosphine was cooled in an ice bath. , 5.2 ml of diethyl azodicarboxylate and 2.4 ml of thioacetic acid were successively 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 residue was purified by silica gel column chromatography to give 7.25 g of (2S, 3R) -2- (N-benzyloxycarbonyl) amino-3-methylpentylethanethioate as white crystals.

収 率:90% 融 点:74−75℃ 〔α〕24=−10.4(c=1,CHCl3) 元素分析:C16H23NO3Sとして C% H% N% 計算値: 62.11 7.49 4.54 実測値: 62.08 7.55 4.48 NMR(CDCl3):0.91(3H,t,J=7Hz),0.93(3H,d,J=7
Hz),1.08−1.20(1H,m),1.47−1.64(2H,m),2.28(3
H,s),2.98(1H,dd,J=9.5,14Hz),3.05(1H,dd,J=4,1
4Hz),3.70(1H,dddd,J=4,6,9.5,9.5Hz),4.78(1H,d,
J=9.5Hz),5.05 and 5.12(2H,ABq,J=12Hz),7.28−
7.40(5H,m) 同様にして、以下の化合物を得た。
Yield: 90% Melting point: 74-75 ° C [α] 24 = -10.4 (c = 1, CHCl 3 ) Elemental analysis: C 16 H 23 NO 3 S C% H% N% Calculated: 62.11 7.49 4.54 Found: 62.08 7.55 4.48 NMR (CDCl 3 ): 0.91 (3H, t, J = 7 Hz), 0.93 (3H, d, J = 7)
Hz), 1.08-1.20 (1H, m), 1.47-1.64 (2H, m), 2.28 (3
H, s), 2.98 (1H, dd, J = 9.5,14Hz), 3.05 (1H, dd, J = 4.1
4Hz), 3.70 (1H, dddd, J = 4, 6, 9.5, 9.5Hz), 4.78 (1H, d,
J = 9.5Hz), 5.05 and 5.12 (2H, ABq, J = 12Hz), 7.28−
7.40 (5H, m) In the same manner, the following compound was obtained.

(S)−2−(N−t−ブトキシカルボニル)アミノ−
3−(4′−ベンジルオキシ)フェニルプロピルエタン
チオエート 収 率:74% 融 点:124−125℃ 〔α〕24=+3.6(c=1,CHCl3) 元素分析:C23H29NO4Sとして C% H% N% 計算値: 66.48 7.03 3.37 実測値: 66.67 7.18 3.32 NMR(CDCl3):1.41(9H,s),2.36(3H,s),2.71(1H,
dd,J=7,14Hz),2.84(1H,dd,J=6,14Hz),2.92(1H,d
d,J=8,14Hz),3.06(1H,dd,J=5,14Hz),3.88−3.98
(1H,m),4.60(1H,d,J=8Hz),5.03(2H,s),6.91(2
H,d,J=8Hz),7.10(2H,d,J=8Hz),7.29−7.44(5H,
m) (2S,3R)−3−ベンジルオキシ−2−(N−t−ブト
キシカルボニル)アミノブチルエタンチオエート 収 率:97% 融 点:油状物 〔α〕24=+11.0(c=1,CHCl3) NMR(CDCl3):1.21(3H,d,J=6Hz),1.43(9H,s),2.
33(3H,s),3.65−3.75(2H,m),4.40 and 4.60(2H,AB
q,J=11.5Hz),4.87(1H,d,J=9.5Hz),7.27−7.39(5
H,m) (2)18mlの30%過酸化水素水と180mlの98%蟻酸を室
温で1時間かき混ぜて過蟻酸溶液を調製した。これを氷
浴にて冷却し、9.28gの(2S,3R)−2−(N−ベンジル
オキシカルボニル)アミノ−3−メチルペンチルエタン
チオエートの蟻酸溶液40mlを30分かけて滴下した。氷冷
下に2時間、室温で20時間かき混ぜた後、0.5gの10%パ
ラジウム−炭素を加えて過剰の過酸化物を分解した。0.
5gのパラジウム−炭素をさらに加え、水素雰囲気下に10
時間かき混ぜた。触媒を濾去した後、濾液を減圧下に溜
去して3.97gの(2S,3R)−2−アミノ−3−メチルペン
タン−1−スルホン酸を白色結晶として得た。
(S) -2- (Nt-butoxycarbonyl) amino-
3- (4'-benzyloxy) phenylpropylethanethioate Yield: 74% Melting point: 124-125 ° C [α] 24 = +3.6 (c = 1, CHCl 3 ) Elemental analysis: C 23 H 29 NO 4 C% H% N% calculated S: 66.48 7.03 3.37 Found: 66.67 7.18 3.32 NMR (CDCl 3 ): 1.41 (9H, s), 2.36 (3H, s), 2.71 (1H,
dd, J = 7,14 Hz), 2.84 (1H, dd, J = 6,14 Hz), 2.92 (1H, d
d, J = 8,14Hz), 3.06 (1H, dd, J = 5,14Hz), 3.88-3.98
(1H, m), 4.60 (1H, d, J = 8Hz), 5.03 (2H, s), 6.91 (2
H, d, J = 8Hz), 7.10 (2H, d, J = 8Hz), 7.29−7.44 (5H,
m) (2S, 3R) -3-Benzyloxy-2- (Nt-butoxycarbonyl) aminobutylethanethioate Yield: 97% Melting point: oil [α] 24 = + 11.0 (c = 1 , CHCl 3) NMR (CDCl 3 ): 1.21 (3H, d, J = 6Hz), 1.43 (9H, s), 2.
33 (3H, s), 3.65-3.75 (2H, m), 4.40 and 4.60 (2H, AB
q, J = 11.5 Hz), 4.87 (1H, d, J = 9.5 Hz), 7.27-7.39 (5
H, m) (2) 18 ml of 30% hydrogen peroxide solution and 180 ml of 98% formic acid were stirred at room temperature for 1 hour to prepare a formic acid solution. This was cooled in an ice bath, and 9.28 g of a solution of (2S, 3R) -2- (N-benzyloxycarbonyl) amino-3-methylpentylethanethioate in formic acid (40 ml) was added dropwise over 30 minutes. After stirring for 2 hours under ice cooling and for 20 hours at room temperature, 0.5 g of 10% palladium-carbon was added to decompose excess peroxide. 0.
Another 5 g of palladium-carbon was added and 10 g under hydrogen atmosphere.
Stir for hours. After filtering off the catalyst, the filtrate was distilled off under reduced pressure to obtain 3.97 g of (2S, 3R) -2-amino-3-methylpentane-1-sulfonic acid as white crystals.

収 率:73% 融 点:292−293℃ 〔α〕24=+24.8(c=1,H2O) 元素分析:C6H15NO3Sとして C% H% N% 計算値: 39.76 8.34 7.73 実測値: 39.81 8.52 7.62 NMR(0.2N NaOD,t−BuOD):0.86(3H,d,J=7.5Hz),
0.89(3H,t,J=7.5Hz),1.12−1.24(1H,m),1.31−1.4
2(1H,m),1.46−1.57(1H,m),2.75(1H,dd,J=10,15H
z),3.03(1H,dd,J=2,15Hz),3.15−3.20(1H,m) 同様にして、以下の化合物を得た。
Yield: 73% Melting point: 292-293 ° C. [α] 24 = + 24.8 (c = 1 , H 2 O) Elemental analysis: C% H% N% Calculated as C 6 H 15 NO 3 S: 39.76 8.34 7.73 Found: 39.81 8.52 7.62 NMR (0.2N NaOD, t-BuOD): 0.86 (3H, d, J = 7.5 Hz),
0.89 (3H, t, J = 7.5Hz), 1.12-1.24 (1H, m), 1.31-1.4
2 (1H, m), 1.46-1.57 (1H, m), 2.75 (1H, dd, J = 10,15H
z), 3.03 (1H, dd, J = 2, 15 Hz), 3.15-3.20 (1H, m) Similarly, the following compound was obtained.

(S)−2−アミノ−3−(4′−ヒドロキシ)フェニ
ルプロパン−1−スルホン酸 収 率:79% 融 点:>330℃ 〔α〕24=−4.7(c=0.5,H2O) 元素分析:C9H13NO4Sとして C% H% N% 計算値: 46.75 5.76 6.06 実測値: 46.68 5.86 6.16 NMR(0.2N NaOD,t−BuOD):2.50(1H,dd,J=8,14H
z),2.69(1H,dd,J=5.5,14Hz),2.83(1H,dd,J=9,14H
z),3.06(1H,dd,J=3,14Hz),3.38−3.45(1H,m),6.5
6−6.61(2H,m),6.99−7.03(2H,m) (2S,3R)−2−アミノ−3−ヒドロキシブタン−1−
スルホン酸 収 率:89% 融 点:220−222℃ 〔α〕24=+15.5(c=1,H2O) 元素分析:C4H11NO4Sとして C% H% N% 計算値: 28.40 6.55 8.28 実測値: 28.10 6.35 7.95 NMR(0.2N NaOD,t−BuOD):1.17(3H,d,J=6.5Hz),
2.83(1H,dd,J=9,14Hz),3.10(1H,dd,J=2.5,14Hz),
3.11−3.17(1H,m),3.77−3.84(1H,m) (作用及び効果) 前記一般式(I)中のXがスルホ基である本発明化合
物の植物生育調整作用を調べた結果、本発明化合物が植
物生長調整作用を有することが明らかになった。従っ
て、本発明化合物は農園芸用薬剤等として有用である。
(S) -2-Amino-3- (4'-hydroxy) phenylpropane-1-sulfonic acid yield: 79% Melting point:> 330 ° C [α] 24 = -4.7 (c = 0.5, H 2 O) elemental analysis: C 9 H 13 NO 4 C % H% N% calculated S: 46.75 5.76 6.06 Found: 46.68 5.86 6.16 NMR (0.2N NaOD , t-BuOD): 2.50 (1H, dd, J = 8, 14H
z), 2.69 (1H, dd, J = 5.5,14Hz), 2.83 (1H, dd, J = 9,14H)
z), 3.06 (1H, dd, J = 3,14Hz), 3.38-3.45 (1H, m), 6.5
6-6.61 (2H, m), 6.99-7.03 (2H, m) (2S, 3R) -2-amino-3-hydroxybutane-1-
Acid yield: 89% Melting point: 220-222 ° C. [α] 24 = + 15.5 (c = 1 , H 2 O) Elemental analysis: C 4 H 11 NO 4 C % H% N% Calculated S : 28.40 6.55 8.28 Found: 28.10 6.35 7.95 NMR (0.2N NaOD, t-BuOD): 1.17 (3H, d, J = 6.5Hz),
2.83 (1H, dd, J = 9,14Hz), 3.10 (1H, dd, J = 2.5,14Hz),
3.11-3.17 (1H, m), 3.77-3.84 (1H, m) (Action and effect) As a result of examining the plant growth regulating action of the compound of the present invention wherein X in the general formula (I) is a sulfo group, It was revealed that the compounds of the present invention have a plant growth regulating action. Therefore, the compound of the present invention is useful as an agricultural and horticultural drug and the like.

───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 FI C07C 327/30 C07C 327/30 // A01N 37/10 A01N 37/10 41/10 41/10 Z (56)参考文献 特開 平3−191797(JP,A) 特開 平2−311446(JP,A) 特開 平2−243619(JP,A) 特開 平2−115147(JP,A) 特開 昭63−54340(JP,A) 特開 昭63−48549(JP,A) 特開 昭62−240651(JP,A) 特開 昭62−205020(JP,A) 特開 昭59−230160(JP,A) 特開 昭59−112913(JP,A) 特開 昭59−10561(JP,A) 特開 昭58−79971(JP,A) 特開 昭57−135862(JP,A) 特開 昭57−40522(JP,A) 特開 昭56−59812(JP,A) 特開 昭54−157587(JP,A) 特開 昭54−16422(JP,A) 特公 昭42−5223(JP,B1) 特公 昭41−21773(JP,B1) (58)調査した分野(Int.Cl.7,DB名) C07C 309/00 C07C 317/00 C07C 327/00 A01N 37/00 A01N 41/00 CA(STN) REGISTRY(STN)────────────────────────────────────────────────── ─── Continued on the front page (51) Int.Cl. 7 Identification symbol FI C07C 327/30 C07C 327/30 // A01N 37/10 A01N 37/10 41/10 41/10 Z (56) References JP JP-A-3-191797 (JP, A) JP-A-2-311446 (JP, A) JP-A-2-243619 (JP, A) JP-A-2-115147 (JP, A) JP-A-63-54340 (JP) JP-A-63-48549 (JP, A) JP-A-62-246551 (JP, A) JP-A-62-205020 (JP, A) JP-A-59-230160 (JP, A) 59-112913 (JP, A) JP-A-59-10561 (JP, A) JP-A-58-79971 (JP, A) JP-A-57-135862 (JP, A) JP-A-57-40522 (JP, A A) JP-A-56-59812 (JP, A) JP-A-54-157587 (JP, A) JP-A-54-16422 (JP, A) JP-B-42-5223 (JP, B1) JP 41-21773 (JP, B1) (58) Fields investigated (Int. Cl. 7 , DB name) C07C 309/00 C07C 317/00 C07C 327/00 A01N 37/00 A01N 41 / 00 CA (STN) REGISTRY (STN)

Claims (1)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】下記一般式(I): 〔式中、Rは水素又はアミノ基の保護基、Yはヒドロキ
シフェニルアルキル基(アルキル基の炭素数1乃至
3)、Xはスルホ基を表す。〕 で表される化合物及びその薬学的に許容される塩。
1. The following general formula (I): [In the formula, R represents a hydrogen or amino-protecting group, Y represents a hydroxyphenylalkyl group (1 to 3 carbon atoms in the alkyl group), and X represents a sulfo group. And a pharmaceutically acceptable salt thereof.
JP10614890A 1990-04-20 1990-04-20 Aminoalkane derivatives Expired - Fee Related JP3174566B2 (en)

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