JP2582809B2 - Novel pyrrolidine derivative and its production method - Google Patents

Novel pyrrolidine derivative and its production method

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Publication number
JP2582809B2
JP2582809B2 JP62271517A JP27151787A JP2582809B2 JP 2582809 B2 JP2582809 B2 JP 2582809B2 JP 62271517 A JP62271517 A JP 62271517A JP 27151787 A JP27151787 A JP 27151787A JP 2582809 B2 JP2582809 B2 JP 2582809B2
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Japan
Prior art keywords
benzyl
group
linear
branched alkyl
production method
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Japanese (ja)
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JPH01113365A (en
Inventor
英俊 久津木
俊一 前本
淳三 長谷川
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Kanegafuchi Chemical Industry Co Ltd
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Kanegafuchi Chemical Industry Co Ltd
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Description

【発明の詳細な説明】 (産業上の利用分野) 本発明は、一般式(I) (式中、r1は水素、直鎖あるいは分岐アルキル基、ハロ
アルキル基、フエニル基を表わす。) で表わされるピロリジン誘導体またはその塩およびその
製造方法に関する。
DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a compound represented by the general formula (I): (In the formula, r 1 represents hydrogen, a linear or branched alkyl group, a haloalkyl group, or a phenyl group.) The present invention also relates to a pyrrolidine derivative represented by the formula:

本発明者らは、一般式(I)の化合物を加水分解酵素
を用いて不斉的に加水分解をすることにより、光学活性
なN−ベンジル−3−ヒドロキシピロリジンを製造する
方法を見い出した。この方法により得られる光学活性な
N−ベンジル−3−ヒドロキシピロリジンは医薬、農薬
等の有用な合成中間体であり、本発明はその出発原料を
提供するものである。
The present inventors have found a method for producing optically active N-benzyl-3-hydroxypyrrolidine by asymmetrically hydrolyzing the compound of the formula (I) using a hydrolase. Optically active N-benzyl-3-hydroxypyrrolidine obtained by this method is a useful synthetic intermediate for pharmaceuticals, agricultural chemicals and the like, and the present invention provides a starting material thereof.

(従来の技術) 本発明によつて製造された化合物(I)は現在までに
合成された例のない新規化合物である。従つて、その製
造法に関する従来の知見もない。
(Prior art) The compound (I) produced according to the present invention is a novel compound which has not been synthesized so far. Therefore, there is no conventional knowledge about the production method.

(問題点を解決するための手段) 本発明の一般式(I)で示されるN−ベンジル−3−
ヒドロキシピロリジン誘導体あるいはその塩は、従来合
成されたことがない化合物であるが、医薬や農薬等の合
成原料として有用性が高く、これらを工業的に利用可能
とするために実施されたものである。
(Means for Solving the Problems) N-benzyl-3- represented by the general formula (I) of the present invention.
Hydroxypyrrolidine derivatives or salts thereof are compounds that have never been synthesized before, but have high utility as synthetic raw materials such as pharmaceuticals and agricultural chemicals, and have been implemented to make these industrially usable. .

一般式(I)で表わされる化合物は、 式(II)で表わされるN−ベンジル−3−ヒドロキシピ
ロリジンに、一般式(III) (式中、R1は水素、直鎖あるいは分岐アルキル基、ハロ
アルキル基、フエニル基を表わし、R2はハロゲン、直鎖
あるいは分岐アシルオキシ基、アルコキシ基を表わ
す。) で表わされる酸ハライド、酸無水物、あるいはエステル
を反応させて得られる。
The compound represented by the general formula (I) is The N-benzyl-3-hydroxypyrrolidine represented by the formula (II) has the general formula (III) (Wherein, R 1 represents hydrogen, a linear or branched alkyl group, a haloalkyl group, or a phenyl group, and R 2 represents a halogen, a linear or branched acyloxy group, or an alkoxy group.) It is obtained by reacting a substance or an ester.

本反応は原料のN−ベンジル−3−ヒドロキシピロリ
ジンが塩基触媒として働くため、塩基触媒を別途添加す
ることなく行なう事ができる。しかしながら、必要に応
じ塩基触媒としてトリエチルアミン、ピリジン、4−
(N,N−ジメチルアミノ)−ピリジン、イミダゾール、
ジイソプロピルアミン、2,6−ルチジン、N,N−ジメチル
アニリン、N,N−ジエチルアニリンあるいはナトリウム
メトキサイド、ナトリウムエトキサイド、水素化ナトリ
ウム、水素化カリウム等を添加しても良い。本反応は無
溶媒系で実施するか、あるいは塩化メチレン、クロロフ
オルム、四塩化炭素等のハロゲン化炭化水素類;ベンゼ
ン、トルエン、キシレン等の芳香族炭化水素類等の有機
溶媒中で実施することが望ましい。反応は広い温度範囲
で実施されるが、通常、−10゜〜30℃の間が用いられ
る。反応生成物は蒸留により遊離のピロリジン誘導体と
して、あるいは適当な溶媒を用いピロリジン誘導体の
塩、例えば酢酸塩、プロピオン酸塩、酪酸塩、安息香酸
塩等の有機酸塩、あるいは塩酸塩、硫酸塩、硝酸塩等の
無機酸塩としても得ることができる。
In this reaction, N-benzyl-3-hydroxypyrrolidine as a raw material functions as a base catalyst, and thus can be carried out without separately adding a base catalyst. However, if necessary, triethylamine, pyridine, 4-
(N, N-dimethylamino) -pyridine, imidazole,
Diisopropylamine, 2,6-lutidine, N, N-dimethylaniline, N, N-diethylaniline or sodium methoxide, sodium ethoxide, sodium hydride, potassium hydride and the like may be added. This reaction can be carried out without a solvent or in an organic solvent such as halogenated hydrocarbons such as methylene chloride, chloroform and carbon tetrachloride; and aromatic hydrocarbons such as benzene, toluene and xylene. desirable. The reaction is carried out in a wide temperature range, usually between -10 ° C and 30 ° C. The reaction product is obtained as a free pyrrolidine derivative by distillation, or a salt of a pyrrolidine derivative using an appropriate solvent, for example, an organic acid salt such as acetate, propionate, butyrate, and benzoate, or a hydrochloride, a sulfate, It can also be obtained as an inorganic acid salt such as nitrate.

N−ベンジル−3−ヒドロキシピロリジンの製造に関
しては、1,2,4−ブタントリオールより合成する方法ジ
ヤーナル・オブ・メデイシナル・ケミストリー(Journa
l of Medicinal Chemistry、、76、1959)、リンゴ酸
より合成する方法シンセチツク・コミユニケイシヨン
(Synthetic Communication13、1117、1983)、グルタ
ミン酸より合成する方法(Synthetic Communication1
6、1815、1986)等が知られている。
Regarding the production of N-benzyl-3-hydroxypyrrolidine, a method of synthesizing from 1,2,4-butanetriol Journal of Medicinal Chemistry (Journa
l of Medicinal Chemistry, 1 , 76, 1959), a method of synthesizing from malic acid, Synthetic Communication 13 (Synthetic Communication 13 , 1117, 1983), a method of synthesizing from glutamic acid (Synthetic Communication 1)
6 , 1815, 1986).

(実施例) 以下本発明を実施例にて説明するが、これら実施例の
みに本発明が限定されるものではない。
(Examples) Hereinafter, the present invention will be described with reference to examples, but the present invention is not limited to only these examples.

実施例1 N−ベンジル−3−アセトキシピロリジン N−ベンジル−3−ヒドロキシピロリジン3.54gを塩
化メチレン20mlに溶解し、攪拌、氷冷下塩化アセチル1.
73gを30分にわたり滴下した。さらに1時間反応を行つ
た後、反応液を飽和重そう水で洗浄、無水硫酸ナトリウ
ムで脱水後、減圧下濃縮したところ粗オイル4.05gが得
られた。このオイルを蒸留精製し、N−ベンジル−3−
アセトキシピロリジン3.65g(b.p.95〜100℃、2mmHg)
を得た。収率83%であつた。
Example 1 N-benzyl-3-acetoxypyrrolidine 3.54 g of N-benzyl-3-hydroxypyrrolidine was dissolved in 20 ml of methylene chloride, and acetyl chloride 1.
73 g was added dropwise over 30 minutes. After further reacting for one hour, the reaction solution was washed with saturated sodium bicarbonate, dehydrated with anhydrous sodium sulfate, and concentrated under reduced pressure to obtain 4.05 g of a crude oil. This oil was purified by distillation, and N-benzyl-3-
Acetoxypyrrolidine 3.65 g (bp 95-100 ° C, 2 mmHg)
I got The yield was 83%.

元素分析(C13H17O2Nとして) 計算値(%) C 71.21 H 7.81 N 6.39 測定値(%) C 71.15 H 7.85 N 6.421 H−NMR(90MHz CDCl3)δppm1.63−2.93(2H×3,
m)、2.02(3H,s)、3.63(2H,s)、5.20(1H,m)、7.3
3(5H,s) 実施例2 N−ベンジル−3−アセトキシピロリジン N−ベンジル−3−ヒドロキシピロリジン17.7gを無
水酢酸47mlに溶解し、室温で20時間反応させた。無水酢
酸を減圧下除去することによりN−ベンジル−3−アセ
トキシピロリジンの酢酸塩を得た。生成物に飽和重そう
水を加え、塩化メチレンで抽出した。有機層を無水硫酸
ナトリウムで脱水後、減圧下濃縮し、粗オイル20.5gを
得た。粗オイルをシリカゲルカラムクロマトグラフイー
(展開溶剤ヘキサン:酢酸エチル=10:1v/v)で精製し
たところ16.7gのN−ベンジル−3−アセトキシピロリ
ジンが得られた。収率76%。
Elemental analysis (as C 13 H 17 O 2 N) Calculated value (%) C 71.21 H 7.81 N 6.39 Measured value (%) C 71.15 H 7.85 N 6.42 1 H-NMR (90 MHz CDCl 3 ) δ ppm 1.63-2.93 (2H × 3,
m), 2.02 (3H, s), 3.63 (2H, s), 5.20 (1H, m), 7.3
3 (5H, s) Example 2 N-benzyl-3-acetoxypyrrolidine 17.7 g of N-benzyl-3-hydroxypyrrolidine was dissolved in 47 ml of acetic anhydride and reacted at room temperature for 20 hours. The acetic anhydride was removed under reduced pressure to obtain N-benzyl-3-acetoxypyrrolidine acetate. To the product was added saturated sodium bicarbonate and extracted with methylene chloride. The organic layer was dried over anhydrous sodium sulfate and concentrated under reduced pressure to obtain 20.5 g of a crude oil. The crude oil was purified by silica gel column chromatography (developing solvent: hexane: ethyl acetate = 10: 1 v / v) to obtain 16.7 g of N-benzyl-3-acetoxypyrrolidine. Yield 76%.

実施例3 N−ベンジル−3−プロピオニルオキシピロリジン N−ベンジル−3−ヒドロキシピロリジン5.31gを塩
化メチレン50mlに溶解し、攪拌氷冷下、塩化プロピオニ
ル3.05gを30分にわたり滴下した、以下実施例1と同様
な操作を経て、N−ベンジル−3−プロピオニルオキシ
ピロリジン3.58gを得た。収率51%。
Example 3 N-benzyl-3-propionyloxypyrrolidine 5.31 g of N-benzyl-3-hydroxypyrrolidine was dissolved in 50 ml of methylene chloride, and 3.05 g of propionyl chloride was added dropwise over 30 minutes while stirring and cooling with ice. Through the same operation as described above, 3.58 g of N-benzyl-3-propionyloxypyrrolidine was obtained. Yield 51%.

b.p.125〜130℃、3mmHg 元素分析(C14H19O2Nとして) 計算値(%) C 72.07 H 8.21 N 6.00 測定値(%) C 71.99 H 8.28 N 6.051 H−NMR(90MHz CDCl3)δppm1.08(3H,t)、2.27(2
H,q)、1.57−2.90(2H×3,m)、3.60(2H,s)、5.17
(1H,m)、7.27(5H,s) 実施例4 N−ベンジル−3−ブチリルオキシピロリジン N−ベンジル−3−ヒドロキシピロリジン12.0g、塩
化n−ブチリル7.35gを用い実施例1と同様の操作を経
て、N−ベンジル−3−ブチリルオキシピロリジン13.1
gを得た。収率78%。b.p.132〜137℃、3mmHg 元素分析(C15H21O2Nとして) 計算値(%) C 72.84 H 8.56 N 5.66 測定値(%) C 72.91 H 8.50 N 5.591 H−NMR(90MHz、CDCl3)δppm0.92(3H,t)、1.62(2
H,m)、2.25(2H,t)、1.60−2.90(2H×3,m)、3.62
(2H,s)、5.15(1H,m)、7.27(5H,s) 実施例5 N−ベンジル−3−ブチリルオキシピロリジン N−ベンジル−3−ヒドロキシピロリジン17.7gを無
水酪酸32mlに溶解し、室温で24時間反応させた。無水酪
酸を減圧下除去することによりN−ベンジル−3−n−
ブチリルオキシピロリジンのn−酪酸塩を得た。以後実
施例2と同様の操作によりN−ベンジル−3−ブチリル
オキシピロリジン20.1gが得られた。収率81%。
bp 125-130 ° C., 3 mmHg Elemental analysis (as C 14 H 19 O 2 N) Calculated value (%) C 72.07 H 8.21 N 6.00 Measured value (%) C 71.99 H 8.28 N 6.05 1 H-NMR (90 MHz CDCl 3 ) δ ppm1 .08 (3H, t), 2.27 (2
H, q), 1.57-2.90 (2H x 3, m), 3.60 (2H, s), 5.17
(1H, m), 7.27 (5H, s) Example 4 N-benzyl-3-butyryloxypyrrolidine Using 12.0 g of N-benzyl-3-hydroxypyrrolidine and 7.35 g of n-butyryl chloride, N-benzyl-3-butyryl was obtained in the same manner as in Example 1. Oxypyrrolidine 13.1
g was obtained. 78% yield. bp132~137 ℃, 3mmHg Elemental analysis (C 15 H 21 O as a 2 N) calc (%) C 72.84 H 8.56 N 5.66 measured value (%) C 72.91 H 8.50 N 5.59 1 H-NMR (90MHz, CDCl 3) δ ppm 0.92 (3H, t), 1.62 (2
H, m), 2.25 (2H, t), 1.60-2.90 (2H x 3, m), 3.62
(2H, s), 5.15 (1H, m), 7.27 (5H, s) Example 5 N-benzyl-3-butyryloxypyrrolidine 17.7 g of N-benzyl-3-hydroxypyrrolidine was dissolved in 32 ml of butyric anhydride and reacted at room temperature for 24 hours. By removing butyric anhydride under reduced pressure, N-benzyl-3-n-
The n-butyric acid salt of butyryloxypyrrolidine was obtained. Thereafter, by the same operation as in Example 2, 20.1 g of N-benzyl-3-butyryloxypyrrolidine was obtained. Yield 81%.

実施例6 N−ベンジル−3−イソブチリルオキシピロリジン N−ベンジル−3−ヒドロキシピロリジン5.31g、塩
化イソブチリル3.52gを用い実施例1と同様の操作を経
て、N−ベンジル−3−イソブチリルオキシピロリジン
5.89gを得た。収率79%。
Example 6 N-benzyl-3-isobutyryloxypyrrolidine N-benzyl-3-isobutyryl was obtained through the same operation as in Example 1 using 5.31 g of N-benzyl-3-hydroxypyrrolidine and 3.52 g of isobutyryl chloride. Oxypyrrolidine
5.89 g were obtained. 79% yield.

b.p.137℃、3mmHg 元素分析(C15H21O2Nとして) 計算値(%) C 72.84 H 8.56 N 5.66 測定値(%) C 72.95 H 8.60 N 5.611 H−NMR(90MHz、CDCl3)δppm1.13(3H×2,d)、1.63
−3.02(1H,2H×3,m)、3.68(2H,s)、5.23(1H,m)、
7.35(5H,s) 実施例7 N−ベンジル−3−ペンタノイルオキシピロリジン N−ベンジル−3−ヒドロキシピロリジン5.31g、塩
化ペンタノイル3.96gを用い実施例1と同様の操作を経
て、N−ベンジル−3−ペンタノイルオキシピロリジン
6.85gを得た。収率87%。
bp 137 ° C., 3 mmHg Elemental analysis (as C 15 H 21 O 2 N) Calculated value (%) C 72.84 H 8.56 N 5.66 Measured value (%) C 72.95 H 8.60 N 5.61 1 H-NMR (90 MHz, CDCl 3 ) δ ppm 1. 13 (3H x 2, d), 1.63
−3.02 (1H, 2H × 3, m), 3.68 (2H, s), 5.23 (1H, m),
7.35 (5H, s) Example 7 N-benzyl-3-pentanoyloxypyrrolidine The same operation as in Example 1 was carried out using 5.31 g of N-benzyl-3-hydroxypyrrolidine and 3.96 g of pentanoyl chloride to give N-benzyl-3-pentanoyloxypyrrolidine.
6.85 g were obtained. 87% yield.

b.p.145〜150℃、3mmHg 元素分析(C16H23O2Nとして) 計算値(%) C 73.53 H 8.87 N 5.36 測定値(%) C 73.47 H 8.92 N 5.401 H−NMR(90MHz、CDCl3)δppm0.90(3H,t)、1.10−1.
73(2H×2,m)、2.27(2H,t)、1.60−2.90(2H×3,
m)、3.62(2H,s)、5.17(1H,m)、7.32(5H,s) 実施例8 N−ベンジル−3−ヘキサノイルオキシピロリジン N−ベンジル−3−ヒドロキシピロリジン5.31g、塩
化ヘキサノイル4.44gを用い実施例1と同様の操作を経
て、N−ベンジル−3−ヘキサノイルオキシピロリジン
6.14gが得られた。
bp145~150 ℃, 3mmHg Elemental analysis (C 16 H 23 O 2 as N) Calculated (%) C 73.53 H 8.87 N 5.36 measured value (%) C 73.47 H 8.92 N 5.40 1 H-NMR (90MHz, CDCl 3) δ ppm 0.90 (3H, t), 1.10-1.
73 (2H × 2, m), 2.27 (2H, t), 1.60−2.90 (2H × 3,
m), 3.62 (2H, s), 5.17 (1H, m), 7.32 (5H, s) Example 8 N-benzyl-3-hexanoyloxypyrrolidine The same operation as in Example 1 was performed using 5.31 g of N-benzyl-3-hydroxypyrrolidine and 4.44 g of hexanoyl chloride to give N-benzyl-3-hexanoyloxypyrrolidine.
6.14 g were obtained.

b.p.158−162℃、3mmHg 元素分析(C17H25O2Nとして) 計算値(%) C 74.14 H 9.15 N 5.09 測定値(%) C 74.20 H 9.08 N 5.021 H−NMR(90MHz、CDCl3)0.88(3H,t)、1.18−1.82(2
H×3,m)、2.28(2H,t)、1.60−2.92(2H×3,m)、3.6
5(2H,s)、5.20(1H,m)、7.33(5H,s) 実施例9 N−ベンジル−3−ヘプタノイルオキシピロリジン N−ベンジル−3−ヒドロキシピロリジン5.31g、塩
化ヘプタノイル4.90gを用い実施例1と同様の操作を経
て、N−ベンジル−3−ヘプタノイルオキシピロリジン
7.05gが得られた。収率81%。
bp 158-162 ° C, 3 mmHg Elemental analysis (as C 17 H 25 O 2 N) Calculated value (%) C 74.14 H 9.15 N 5.09 Measured value (%) C 74.20 H 9.08 N 5.02 1 H-NMR (90 MHz, CDCl 3 ) 0.88 (3H, t), 1.18-1.82 (2
H × 3, m), 2.28 (2H, t), 1.60−2.92 (2H × 3, m), 3.6
5 (2H, s), 5.20 (1H, m), 7.33 (5H, s) Example 9 N-benzyl-3-heptanoyloxypyrrolidine N-benzyl-3-heptanoyloxypyrrolidine was obtained through the same operation as in Example 1 using 5.31 g of N-benzyl-3-hydroxypyrrolidine and 4.90 g of heptanoyl chloride.
7.05 g were obtained. Yield 81%.

b.p.168−172℃、3mmHg 元素分析(C18H27O2Nとして) 計算値(%) C 74.70 H 9.40 N 4.84 測定値(%) C 74.51 H 9.44 N 4.891 H−NMR(90MHz、CDCl3)0.87(3H,t)、1.27(2H×3,
m)、1.58(2H,m)、2.25(2H,t)、1.60−2.90(2H×
3,m)、3.60(2H,s)、5.15(1H,m)、7.30(5H,s) 実施例10 N−ベンジル−3−オクタノイルオキシピロリジン N−ベンジル−3−ヒドロキシピロリジン5.31g、塩
化オクタノイル5.37gを用い実施例1と同様の操作を経
て、N−ベンジル−3−オクタノイルオキシピロリジン
6.85gが得られた。収率75%。
bp 168-172 ° C., 3 mmHg Elemental analysis (as C 18 H 27 O 2 N) Calculated value (%) C 74.70 H 9.40 N 4.84 Measured value (%) C 74.51 H 9.44 N 4.89 1 H-NMR (90 MHz, CDCl 3 ) 0.87 (3H, t), 1.27 (2H × 3,
m), 1.58 (2H, m), 2.25 (2H, t), 1.60-2.90 (2H x
3, m), 3.60 (2H, s), 5.15 (1H, m), 7.30 (5H, s) Example 10 N-benzyl-3-octanoyloxypyrrolidine The same operation as in Example 1 was carried out using 5.31 g of N-benzyl-3-hydroxypyrrolidine and 5.37 g of octanoyl chloride to give N-benzyl-3-octanoyloxypyrrolidine.
6.85 g were obtained. 75% yield.

b.p.180℃、3mmHg 元素分析(C19H29O2Nとして) 計算値(%) C 75.21 H 9.63 N 4.62 測定値(%) C 75.35 H 9.56 N 4.571 H−NMR(90MHz、CDCl3)0.87(3H,t)、1.28(2H×4,
m)、1.60(2H,m)、2.27(2H,t)、1.60−2.93(2H×
3,m)、3.63(2H,s)、5.19(1H,m)、7.30(5H,s) 実施例11 N−ベンジル−3−(4′−クロロブチリルオキシ)ピ
ロリジン N−ベンジル−3−ヒドロキシピロリジン5.31g、4
−クロロブチリルクロリド4.65gを用い実施例1と同様
の操作を経て、N−ベンジル−3−(4′−クロロブチ
リルオキシ)ピロリジン6.19gを得た。収率73%。
BP180 ° C., 3 mmHg Elemental analysis (C 19 H 29 O 2 as N) Calculated (%) C 75.21 H 9.63 N 4.62 measured value (%) C 75.35 H 9.56 N 4.57 1 H-NMR (90MHz, CDCl 3) 0.87 ( 3H, t), 1.28 (2H × 4,
m), 1.60 (2H, m), 2.27 (2H, t), 1.60-2.93 (2H x
3, m), 3.63 (2H, s), 5.19 (1H, m), 7.30 (5H, s) Example 11 N-benzyl-3- (4'-chlorobutyryloxy) pyrrolidine N-benzyl-3-hydroxypyrrolidine 5.31 g, 4
The same operation as in Example 1 was carried out using 4.65 g of -chlorobutyryl chloride to obtain 6.19 g of N-benzyl-3- (4'-chlorobutyryloxy) pyrrolidine. 73% yield.

元素分析(C15H20O2NClとして) 計算値(%) C 63.94 H 7.15 N 4.97 測定値(%) C 63.79 H 7.21 N 4.951 H−NMR(90MHz、CDCl3)δppm1.65−2.91(2H×5,
m)、3.57(2H,t)、3.64(2H,s)、5.18(1H,m)、7.3
0(5H,s) 実施例12 N−ベンジル−3−ベンゾイルオキシピロリジン N−ベンジル−3−ヒドロキシピロリジン5.31g、塩
化ベンゾイル4.64gを用い実施例1と同様の操作を経
て、N−ベンジル−3−ベンゾイルオキシピロリジン6.
25gを得た。収率74%。
Elemental analysis (as C 15 H 20 O 2 NCl) Calculated value (%) C 63.94 H 7.15 N 4.97 Measured value (%) C 63.79 H 7.21 N 4.95 1 H-NMR (90 MHz, CDCl 3 ) δ ppm 1.65-2.91 ( 2H × 5,
m), 3.57 (2H, t), 3.64 (2H, s), 5.18 (1H, m), 7.3
0 (5H, s) Example 12 N-benzyl-3-benzoyloxypyrrolidine Using 5.31 g of N-benzyl-3-hydroxypyrrolidine and 4.64 g of benzoyl chloride, N-benzyl-3-benzoyloxypyrrolidine was obtained in the same manner as in Example 1.
25 g were obtained. 74% yield.

元素分析(C18H19O2Nとして) 計算値(%) C 76.84 H 6.81 N 4.98 測定値(%) C 76.92 H 6.77 N 4.921 H−NMR(90MHz、CDCl3)δppm1.79−3.15(2H×3,
m)、3.67(2H,s)、5.41(1H,m)、7.30(5H,s)、7.2
4−7.63(3H,m)、8.03(2H,dd)
Elemental analysis (as C 18 H 19 O 2 N) Calculated value (%) C 76.84 H 6.81 N 4.98 Measured value (%) C 76.92 H 6.77 N 4.92 1 H-NMR (90 MHz, CDCl 3 ) δ ppm 1.79-3.15 ( 2H × 3,
m), 3.67 (2H, s), 5.41 (1H, m), 7.30 (5H, s), 7.2
4-7.63 (3H, m), 8.03 (2H, dd)

Claims (6)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】一般式(I) (式中、R1は水素、直鎖あるいは分岐アルキル基、ハロ
アルキル基、フェニル基を表わす)で表わされるピロリ
ジン誘導体またはその塩。
1. The compound of the general formula (I) (Wherein R 1 represents hydrogen, a linear or branched alkyl group, a haloalkyl group, or a phenyl group) or a salt thereof.
【請求項2】R1が炭素数1〜10の直鎖あるいは分岐アル
キル基である特許請求の範囲第1項記載の化合物または
その塩。
2. The compound according to claim 1, wherein R 1 is a linear or branched alkyl group having 1 to 10 carbon atoms, or a salt thereof.
【請求項3】R1がメチル、エチル、n−プロピル、n−
ブチル、n−ペンチル、n−ヘキシル、n−ヘプチル、
イソプロピル、β−クロロプロピル、フェニルのいずれ
かである特許請求の範囲第1項記載の化合物またはその
塩。
(3) R 1 is methyl, ethyl, n-propyl, n-
Butyl, n-pentyl, n-hexyl, n-heptyl,
2. The compound according to claim 1, which is any one of isopropyl, β-chloropropyl and phenyl, or a salt thereof.
【請求項4】式(II) で表わされるN−ベンジル−3−ヒドロキシピロリジン
に、一般式(III) (式中、R1は水素、直鎖あるいは分岐アルキル基、ハロ
アルキル基、またはフェニル基を表わし、R2はハロゲ
ン、直鎖あるいは分岐アシルオキシ基、またはアルコキ
シ基を表わす。) で表わされる化合物を反応させることを特徴とする一般
式(I) (式中、R1は水素、直鎖あるいは分岐アルキル基、ハロ
アルキル基、またはフェニル基を表わす。) で表わされるピロリジン誘導体またはその塩の製造方
法。
4. The formula (II) To the N-benzyl-3-hydroxypyrrolidine represented by the general formula (III) (Wherein, R 1 represents hydrogen, a straight-chain or branched alkyl group, a haloalkyl group, or a phenyl group, and R 2 represents a halogen, a straight-chain or branched acyloxy group, or an alkoxy group.) General formula (I) (In the formula, R 1 represents hydrogen, a linear or branched alkyl group, a haloalkyl group, or a phenyl group.) A method for producing a pyrrolidine derivative represented by the formula:
【請求項5】R1が炭素数1〜10の直鎖あるいは分岐アル
キル基、R2が炭素数1〜10の直鎖あるいは分岐アシルオ
キシ基、炭素数1〜5のアルコキシ基である特許請求の
範囲第4項記載の製造方法。
5. A method according to claim 1, wherein R 1 is a linear or branched alkyl group having 1 to 10 carbon atoms, R 2 is a linear or branched acyloxy group having 1 to 10 carbon atoms, or an alkoxy group having 1 to 5 carbon atoms. 5. The production method according to claim 4, wherein
【請求項6】R1がメチル、エチル、n−プロピル、n−
ブチル、n−ペンチル、n−ヘキシル、n−ヘプチル、
イソプロピル、β−クロロプロプル、フェニルのいずれ
か、R2がアセトキシ、プロピオニルオキシ、n−ブチリ
ルオキシ、n−ペンタノイルオキシ、n−ヘキサノイル
オキシ、n−ヘプタノイルオキシ、イソブチリルオキ
シ、γ−クロロブチリルオキシ、ベンゾイルオキシ、塩
素、臭素、メトキシ、エトキシ、プロピルオキシのいず
れかである特許請求の範囲第4項記載の製造方法。
Wherein R 1 is methyl, ethyl, n- propyl, n-
Butyl, n-pentyl, n-hexyl, n-heptyl,
Any of isopropyl, β-chloropropyl, and phenyl, R 2 is acetoxy, propionyloxy, n-butyryloxy, n-pentanoyloxy, n-hexanoyloxy, n-heptanoyloxy, isobutyryloxy, γ-chlorobutyi 5. The production method according to claim 4, wherein the production method is any of riloxy, benzoyloxy, chlorine, bromine, methoxy, ethoxy and propyloxy.
JP62271517A 1987-10-27 1987-10-27 Novel pyrrolidine derivative and its production method Expired - Fee Related JP2582809B2 (en)

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JP2582809B2 true JP2582809B2 (en) 1997-02-19

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7246960B2 (en) 2003-02-10 2007-07-24 Citizen Watch Co., Ltd. Print head

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7246960B2 (en) 2003-02-10 2007-07-24 Citizen Watch Co., Ltd. Print head

Also Published As

Publication number Publication date
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