JPS61172876A - Production of (6r)-tetrahydro-l-biopterin - Google Patents

Production of (6r)-tetrahydro-l-biopterin

Info

Publication number
JPS61172876A
JPS61172876A JP60012477A JP1247785A JPS61172876A JP S61172876 A JPS61172876 A JP S61172876A JP 60012477 A JP60012477 A JP 60012477A JP 1247785 A JP1247785 A JP 1247785A JP S61172876 A JPS61172876 A JP S61172876A
Authority
JP
Japan
Prior art keywords
biopterin
acyl
page
platinum black
erythro
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP60012477A
Other languages
Japanese (ja)
Other versions
JPH0413357B2 (en
Inventor
Hideaki Sakai
秀昭 酒井
Sada Kanai
金井 貞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHIRATORI SEIYAKU KK
Shiratori Pharmaceutical Co Ltd
Suntory Ltd
Original Assignee
SHIRATORI SEIYAKU KK
Shiratori Pharmaceutical Co Ltd
Suntory Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SHIRATORI SEIYAKU KK, Shiratori Pharmaceutical Co Ltd, Suntory Ltd filed Critical SHIRATORI SEIYAKU KK
Priority to JP60012477A priority Critical patent/JPS61172876A/en
Priority to US06/824,288 priority patent/US4713454A/en
Priority to CA000500218A priority patent/CA1262347A/en
Priority to AU52720/86A priority patent/AU581052B2/en
Priority to DE8686100944T priority patent/DE3680800D1/en
Priority to EP86100944A priority patent/EP0191335B1/en
Priority to AT86100944T priority patent/ATE66229T1/en
Publication of JPS61172876A publication Critical patent/JPS61172876A/en
Publication of JPH0413357B2 publication Critical patent/JPH0413357B2/ja
Granted legal-status Critical Current

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/52Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Landscapes

  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

PURPOSE:To produce the titled compound easily, economically on an industrial scale, in high asymmetric synthesis ratio (R/S) and high yield, by carrying out the catalytic reduction of an L-erythro-biopterin compound using platinum black catalyst under specific condition, and eliminating acyl group if any. CONSTITUTION:The objective compound of formula I can be produced by reducing L-erythro-biopterin or its acyl derivative of formula II (R is H or acyl) catalytically with hydrogen in water, alcohol or their mixture adjusted to 10-13pH with an amine, using platinum black as a catalyst at -10-+50 deg.C under H2 pressure of >=1kg/cm<2>, preferably 1-100kg/cm<2>, and deacylating the reaction product when it contains acyl group. The amine is e.g. methylamine, ethylamine, diethylamine, trimethylamine, tetramethylammonium hydroxide, etc. USE:Coenzyme of a phenylalanine hydroxylase and other aromatic amino acid hydroxylase.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は次式(I) で表わされる(6R)−テトラヒト90−L−バイオブ
チリyの製造法、更に詳細には、テトラヒドロ−L−バ
イオプテリンの6R体を高い比率で得ることができる工
業的な製造法に関する。
DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a method for producing (6R)-tetrahydro-L-biobutyl y represented by the following formula (I), and more specifically, to a method for producing tetrahydro-L-biobutyl The present invention relates to an industrial production method capable of obtaining a high proportion of the 6R form of pterin.

〔従来の技術及び問題点〕[Conventional technology and problems]

テトラヒドロ−し−バイオプテリン(以下rBPH4J
と略称する)には6位の水素の立体配置により6R体と
6S体の異性体が存在する[Furrer。
Tetrahydro-biopterin (rBPH4J)
) exists in 6R and 6S isomers depending on the configuration of hydrogen at position 6 [Furrer.

H,J、ら: H@ly、  Chムm、  Acta
、  62. 2577(1979) ’]。
H, J, et al: H@ly, Chm, Acta
, 62. 2577 (1979)'].

そして、なかんず<(6R)−BPH4はフェニルアラ
ニン水酸化酵素の補酵素であると同時に、他の芳香族ア
ミノ酸水酸化酵素の補酵素でもある。
Above all, <(6R)-BPH4 is a coenzyme of phenylalanine hydroxylase, as well as a coenzyme of other aromatic amino acid hydroxylases.

それゆえ、その欠乏は神経伝達物質であるセロトニン、
ドー/4’ミン、ノルアト9レナリン、アドレナリンな
どを欠乏させ、重篤な神経症状をおこさせる。また、先
天性代謝異常度の一つである悪性高フェニルアラニン血
症はきそんの薬物療法では容易には治療できない難病で
あるが、これは(6R)−BPH4の欠乏によりフェニ
ルアラニンのチロシンへの変換が阻害されるために起る
ことが知られている。
Therefore, the deficiency of the neurotransmitter serotonin,
It causes a deficiency of do/4'mine, norato-9-renaline, adrenaline, etc., and causes severe neurological symptoms. In addition, malignant hyperphenylalaninemia, which is one of the congenital metabolic abnormalities, is an incurable disease that cannot be easily treated with conventional drug therapy. It is known that this occurs due to inhibition.

悪性高フェニルアラニン血症の治療に(6R) −BP
H4の投与が考えられるが、そのためには本品を高純度
に経済的に製造する方法の開発が望まれている。
For the treatment of malignant hyperphenylalaninemia (6R) -BP
Administration of H4 is considered, but for this purpose it is desired to develop a method for economically producing this product with high purity.

テトラヒドロ−し−バイオプテリンを製造する方法とし
ては、L−エリスローバイオプテリンを酵素的あるいは
化学的に還元する方法が知られている。就中酵素法は6
R体のみが得られるという利点はあるが、装置及び操作
が煩雑であると共に製造コストが高く工業的方法として
は不利なるを免れない。−ガル学的方法によると、6R
体と6S体の混合物を生じ、これは分割しなければなら
ないが、この分割は極めて困難であり、現在その有利な
分割法は知られていない。
As a method for producing tetrahydro-biopterin, a method of enzymatically or chemically reducing L-erythrobiopterin is known. Among them, the enzyme method is 6.
Although it has the advantage that only the R-isomer can be obtained, it is disadvantageous as an industrial method because the equipment and operations are complicated and the manufacturing cost is high. -According to Gallological method, 6R
This produces a mixture of 6S and 6S isomers, which must be separated, but this separation is extremely difficult and no advantageous method of separation is currently known.

従って、従来から(6R) −BP)I4を高比率で、
出来得ればこれを選択的に合成する方法の開発が望まれ
ているが、未だ満足な方法は見出されていな℃為。
Therefore, conventionally, (6R) -BP)I4 is used at a high ratio,
If possible, it would be desirable to develop a method for selectively synthesizing this, but no satisfactory method has yet been found.

〔問題点を解決するための手段〕[Means for solving problems]

斯かる実情において、本発明者は鋭意研究を行った結果
、L−エリスローバイオグチリン又はそのアシル誘導体
を白金黒を触媒として特定の条件下接触還元すれば、不
斉合成率Isを著しく高めることができ、しかもこのよ
うな高いい値のものであれば容易に(6R)−BPH4
を分離収得できることを見出し、本発明を完成した。
Under these circumstances, the present inventor has conducted extensive research and found that the asymmetric synthesis rate Is can be significantly increased by catalytically reducing L-erythro biogutilin or its acyl derivatives using platinum black as a catalyst under specific conditions. Moreover, if it has such a high value, it is easy to convert (6R)-BPH4
The present invention was completed based on the discovery that it is possible to separate and obtain the following.

従りて1本発明は、L−エリスローバイオグチリン又は
そのアシル誘導体(n)を白金黒を触媒としてpH1o
〜13セ接触還元し、接触層基が存在する場合にはこれ
を脱離して(6R)−テトラヒドロ−L−バイオプテリ
ン(I)を製造する方法であり、これは次の反応式忙よ
って示される。
Therefore, 1 the present invention provides L-erythro biogutilin or its acyl derivative (n) at pH 1o using platinum black as a catalyst.
This is a method for producing (6R)-tetrahydro-L-biopterin (I) by catalytic reduction and elimination of contact layer groups if present, and this is shown by the following reaction formula. It will be done.

Q       OR (式中、RはH又はアシル基を示す) 本発明を実施するには、L−エリスローバイオグチリン
又はそのアシル誘導体(II)を塩基でpH10〜13
に調整した水、アルコール系又はこれらの混合溶媒中で
白金黒を触媒として接触還元する。
Q OR (in the formula, R represents H or an acyl group) To carry out the present invention, L-erythrobiogutilin or its acyl derivative (II) is adjusted to pH 10 to 13 with a base.
Catalytic reduction is carried out using platinum black as a catalyst in water, alcohol, or a mixed solvent of these.

アルコール系溶媒としては、メタノール、エタノール、
メチルセルンルプ、エチレングリコール等が挙げられる
。−を調整するために使用される塩基としては、例えば
水酸化ナトリウム、水酸化カリウム、炭酸ナトリウム、
炭酸カリウム等の無機塩基;アンモニア:メチルアミン
、エチルアミン、シクロヘキシルアミン等の第1級アミ
ン、ジメチルアミン、ジエチルアミン、ピペリジン、モ
ルホリン等の第2級アミン、トリメチルアミン。
Alcohol solvents include methanol, ethanol,
Examples include methyl selenium, ethylene glycol, and the like. Examples of the base used to adjust - include sodium hydroxide, potassium hydroxide, sodium carbonate,
Inorganic bases such as potassium carbonate; ammonia: primary amines such as methylamine, ethylamine, and cyclohexylamine; secondary amines such as dimethylamine, diethylamine, piperidine, and morpholine; and trimethylamine.

トリエチルアミン等の第3級アミン、テトラメチルアン
モニウムヒドロキシド、テトラエチルアンモニウムヒド
ロキシド等の第4級アミン等のアミン類;L−アラニン
、L−グロリン等のアミノ酸が挙げられる。これらの中
でも高い不斉合成率Isで高収率にて(6R) −BP
H4を得ることができる点で第1〜4級のアミン類が特
に好ましい。この塩基は−10−131cなるように添
加すればよく、−がこ1よシ低くなると、不斉合成率が
低下し、高くなると不斉合成率fs及び収率が共に低下
する。
Examples include tertiary amines such as triethylamine; amines such as quaternary amines such as tetramethylammonium hydroxide and tetraethylammonium hydroxide; and amino acids such as L-alanine and L-gloline. Among these, (6R)-BP with high asymmetric synthesis rate Is and high yield
Primary to quaternary amines are particularly preferred since H4 can be obtained. This base may be added so as to give -10-131c; when - becomes lower by 1, the asymmetric synthesis rate decreases, and when it becomes higher, both the asymmetric synthesis rate fs and the yield decrease.

触媒は種々の触媒、就中白金系触媒の中でも白金黒が特
異的であり、他のものに比較し極めて高い不斉合成率V
Sを示す。
Among various catalysts, platinum black is unique among platinum-based catalysts, and has an extremely high asymmetric synthesis rate V compared to other catalysts.
Indicates S.

本発明方法は通常の接触還元の操作によって行うことが
でき、反応温度は一10℃〜50℃が、H2圧力は1に
9/譚2以上、特に1〜100ゆ/創2が好ましい。
The method of the present invention can be carried out by a conventional catalytic reduction operation, and the reaction temperature is -10 DEG C. to 50 DEG C., and the H2 pressure is preferably 1 to 9/2 or more, particularly 1 to 100 U/2.

このようにするとき、不斉合成率l約7以上にて(6R
) −BPH4又はそのアシル誘導体を得ることができ
る。アシル基の一部は上記反応によって除去されるが、
まだこれが残存する場合には、塩酸等によって加水分解
することによシ容易に除去される。この生成物を再結晶
することによυ高純度の(6R) −BPH4を単離収
得することができる。
When doing this, at an asymmetric synthesis rate l of about 7 or more (6R
) -BPH4 or its acyl derivative can be obtained. Although some of the acyl groups are removed by the above reaction,
If it still remains, it can be easily removed by hydrolysis with hydrochloric acid or the like. By recrystallizing this product, high purity (6R)-BPH4 can be isolated and obtained.

〔発明の効果〕〔Effect of the invention〕

叙上の如く、本発明は従来化学的合成法では製造困難で
あった( 6 R) −BPH4を高い不斉合成率Iで
しかも高収率にて製造することに成功した極めて優れた
発明である。
As mentioned above, the present invention is an extremely excellent invention that succeeded in producing (6R)-BPH4, which was difficult to produce by conventional chemical synthesis methods, with a high asymmetric synthesis rate I and a high yield. be.

〔実施例〕〔Example〕

次に実施例を挙げて説明する。 Next, an example will be given and explained.

実施例18 L−エリスローバイオグチリン1.0.9(4,22ミ
リモル)、白金ブラック0.201iを水95m14に
加え、これに10%テトラエテルアンモニウムヒドロキ
シドを刃口え、pH=12.0に調整した。これをオー
トクレーブに入れ、H2圧力100kg/α2゜温度0
〜5℃2回転数100 Or、p、m、で攪拌し20時
間反応させた。反応物に濃塩酸5aを加え、触媒を濾過
して除き、減圧下浴温35℃以下で濃縮し、残留物を3
N塩酸とエタノールの混合融媒より再結晶した。
Example 18 L-erythro biogutilin 1.0.9 (4.22 mmol) and platinum black 0.201i were added to 95 ml of water, and 10% tetraethelammonium hydroxide was added to the mixture, pH=12. Adjusted to .0. Put this in an autoclave, H2 pressure 100kg/α2° temperature 0
The mixture was stirred at ~5° C., 2 rotations, and 100 Or, p, m, and reacted for 20 hours. Concentrated hydrochloric acid 5a was added to the reaction mixture, the catalyst was removed by filtration, and the residue was concentrated under reduced pressure at a bath temperature of 35°C or less.
It was recrystallized from a mixed melting medium of N-hydrochloric acid and ethanol.

融点244.5℃(分解)の白色結晶、 (6R)−B
PH42HClを1.13.F得た。
White crystals with a melting point of 244.5°C (decomposition), (6R)-B
PH42HCl 1.13. I got F.

元素分析値      理論(直α)    分析位い
)C2H,、Ct2N50.     C34,413
4,50H5,455,41 N  22.29    22.58 旋光度〔α)D、−6,39°(C、0,68; 0.
I N HCt)’H−NMR(CD30D−D20)
 : 4.10−3.70 (5H,m 、 H−C(
6、7、1’、 2’))。
Elemental analysis value Theory (direct α) Analysis position) C2H,, Ct2N50. C34,413
4,50H5,455,41 N 22.29 22.58 Optical rotation [α) D, -6,39° (C, 0,68; 0.
I N HCt)'H-NMR (CD30D-D20)
: 4.10-3.70 (5H,m, H-C(
6, 7, 1', 2')).

1.40 (3H,d 、 J =6Hz 。1.40 (3H, d, J = 6Hz.

H−C(3’)) 実施例2゜ L−エリスローバイオプテリン1.Q、!i’(4,2
2ミリモル)、白金ブラック0.20.9を水95μに
加え、これに第1表の塩基を加え所定−に調整した。こ
nをオートクレーブに入れ、H2圧カ100kg/cm
” 、温度0〜5℃2回転数100Or、p、m で攪
拌し20時間反応させた。反応物に濃塩酸5Mを加え、
触媒を濾過して除き、このF液部について高速液体クロ
マトグラフィーで分析し、それぞれのVS比および(R
体+S体)の収率をもとめた。
H-C(3')) Example 2゜L-erythrobiopterin 1. Q,! i'(4,2
2 mmol) and platinum black (0.20.9 μm) were added to 95 μm of water, and the bases shown in Table 1 were added thereto to adjust to a predetermined value. Put this into an autoclave and increase the H2 pressure to 100kg/cm.
'', stirred at a temperature of 0 to 5℃, 2 rotations of 100Or, p, m and allowed to react for 20 hours. 5M concentrated hydrochloric acid was added to the reaction mixture,
The catalyst was removed by filtration, and the F liquid part was analyzed by high performance liquid chromatography to determine the respective VS ratios and (R
The yield of S-isomer + S-isomer) was determined.

その結果は第1表の通りでるる。The results are shown in Table 1.

高速液体クロマトグラフィー測定条件 検出器:紫外吸光光度計(測定波長:275im)カラ
ム: Partisil−10SCX 、 4.5 X
250m移動相:30mMリン酸アンモニウム・3mM
亜硫酸アンモニウム(pH=3.0) 流:it : 2 d/m1n 以下余白 第   1   表 *実施例−1 実施例3 塩基として、KOH,)ジエチルアミン、ジエチルアミ
ン、エチルアミン及びテトラエテルアンモニウムヒドロ
キシドを使用して−を12に調整し、反応温度とH2圧
力を変えて実施例2と同様に操作した。その結果は第2
〜6表のとおシである。
High performance liquid chromatography measurement conditions Detector: Ultraviolet absorption photometer (measurement wavelength: 275im) Column: Partisil-10SCX, 4.5X
250m mobile phase: 30mM ammonium phosphate, 3mM
Ammonium sulfite (pH=3.0) Flow rate: 2 d/m1n Margin below Table 1 Table *Example-1 Example 3 KOH, ) diethylamine, diethylamine, ethylamine and tetraethelammonium hydroxide were used as bases. The reaction temperature was adjusted to 12, and the same procedure as in Example 2 was carried out by changing the reaction temperature and H2 pressure. The result is the second
-This is the table 6.

以下余白 実施例4 L−エリスローバイオプテリン20M9、白金黒4m9
を第7表の溶媒2ゴに加え、第7表の塩基を加え七所定
声に調整した。これをオートクレーブに入れ、H2圧力
100kl/cm”、第7表の温度で20時間反応させ
た。反応物を実施例2と同様に操作して、不斉合成率R
/Sと(R体+S体)収率を測定した。その結果は第7
表のとおシである。
Below is the margin Example 4 L-erythro biopterin 20M9, platinum black 4m9
was added to the two solvents listed in Table 7, and the bases listed in Table 7 were added to adjust to the specified pitch. This was placed in an autoclave and reacted for 20 hours at a H2 pressure of 100 kl/cm'' and the temperature shown in Table 7.The reaction product was operated in the same manner as in Example 2, and the asymmetric synthesis rate R
/S and (R body + S body) yields were measured. The result is the 7th
This is the front page.

以下余白 実施例5 水又は有機溶媒2dにトリアセチル−L−エリスローパ
イオシプリン20■、白金黒4■及び塩基を加え、オー
トクレーブ中で、H2気圧10okg、/α2、温度2
0℃にて20時間反応させた。反応物に3N塩酸2dを
加え、触媒を戸去し、戸液1.5コに濃塩酸0.5Mを
加え、3日間放置して脱アセチル化した1、これを実施
例2と同条件下高速液体クロマトグラフィーで分析し、
R/Sと(R体+S体)収率を測定した。その結果は第
8表のとおりである。
Below is a blank space Example 5 To 2 d of water or an organic solvent, add 20 ■ of triacetyl-L-erythropyocypurin, 4 ■ of platinum black, and a base, and place in an autoclave at a pressure of 10 kg of H2, /α2, and a temperature of 2.
The reaction was carried out at 0°C for 20 hours. 2 d of 3N hydrochloric acid was added to the reaction product, the catalyst was removed, 0.5 M of concentrated hydrochloric acid was added to 1.5 ml of the solution, and the mixture was left to stand for 3 days for deacetylation. Analyzed by high performance liquid chromatography,
R/S and (R body + S body) yield were measured. The results are shown in Table 8.

以下金白 手続補正書(自発) 昭和61年4 月17日 昭和60年特許願第12477  号 2、 発明の名称 (6R)−テトラヒドロ−L−バイオゾテリンの製造法
3、補正をする者 事件との関係  出願人 名 称 白鳥製薬株式会社 名 称 (190)サントリー株式会社6、補正の対象 明細書の「特許請求の範囲」および「発明の詳細な説明
」の欄 7、 補正の内容 (1)  明細書中、特許請求の範囲を別紙の如く訂正
する。
The following is a written amendment in the Kinpaku procedure (spontaneous) April 17, 1985 Patent Application No. 12477 of 1985 2. Title of the invention (6R) - Process for producing tetrahydro-L-biozothelin 3. Related Applicant Name Shiratori Pharmaceutical Co., Ltd. Name (190) Suntory Ltd. 6, “Claims” and “Detailed Description of the Invention” column 7 of the specification to be amended, Contents of the amendment (1) Description The claims are amended as shown in the attached sheet.

(2)  明細書中、第4頁第14〜15行「触媒とし
て」とある次に「アミン類の存在下」全挿入する。
(2) In the specification, after the phrase "as a catalyst" on page 4, lines 14-15, "in the presence of amines" is fully inserted.

(3)  同第5頁、下から第9行 「塩基」とあるを「アミン類」と訂正する。(3) Same page 5, line 9 from the bottom Correct the word "base" to read "amines."

(4)  同第5頁、下から第4行〜第6頁第11行「
pHを調整・・・・・この塩基は」とある?次文の如く
訂正する。
(4) Page 5, line 4 from the bottom to page 6, line 11 “
Adjust the pH... What is this base? Correct the following sentence.

[アミン類としては、メチルアミン、エチルアミン、シ
クロヘキシルアミン等の第1級アミン、ジメチルアミン
、ジエチルアミン、ピペリシン、モルホリン等の第2級
アミン、トリメチルアミン、トリエチルアミン等の第3
級アミン、テトラメチルアンモニウムヒドロキシド、テ
トラエチルアンモニウムヒドロキシド、ペンシルトリメ
チルアンモニウムヒドロキシド等の第4級アミン等が挙
げられる。
[Amines include primary amines such as methylamine, ethylamine, and cyclohexylamine, secondary amines such as dimethylamine, diethylamine, pipericine, and morpholine, and tertiary amines such as trimethylamine and triethylamine.
Examples include quaternary amines such as tetramethylammonium hydroxide, tetraethylammonium hydroxide, and pencil trimethylammonium hydroxide.

このアミン類は」 6) 同第10頁、「第1表」を次の如く訂正する。These amines are 6) "Table 1" on page 10 of the same page is corrected as follows.

第    1     表 季実施例−1 (6)  同第11頁第2行 r KDH,Jとあるを削除する。Chapter 1 Table Seasonal example-1 (6) Page 11, line 2 r Delete KDH, J.

σ)同第11頁、第6行 「第2〜6表」とあるを「第2〜5表」と訂正する。σ) Same page 11, line 6 "Tables 2 to 6" should be corrected to "Tables 2 to 5."

(8)  同第12頁、「第2表」の全文を削除する。(8) Delete the entire text of "Table 2" on page 12.

(9)  同第13頁、第1行 「第3表」とあるを「第2表」と訂正する。(9) Same page 13, line 1 "Table 3" should be corrected to "Table 2."

OI  同第14頁、第1行 「第4表」とあるを「第3表」と訂正する。OI, page 14, line 1 "Table 4" should be corrected to "Table 3."

0υ 同第15頁、第1行 「第5表」とあるt「第4表」と訂正する。0υ Page 15, line 1 ``Table 5'' is corrected to ``Table 4''.

α2 同第16頁、第1行 「第6表」とあるt「第5表」と訂正する。α2 Page 16, line 1 ``Table 6'' is corrected to ``Table 5''.

α3 同第17頁第3行(2個所)、第17頁第5行及
び第17頁第8行 「第7表」とあるを「第6表」と訂正する。
α3 Correct "Table 7" to "Table 6" on page 17, line 3 (two places), page 17, line 5, and page 17, line 8.

04  同第18頁の「第7表」を次の「第6表」に訂
正する。
04 "Table 7" on page 18 of the same page is corrected to the following "Table 6."

以下余白 αタ 同第19頁第10行 「第8表jとあるを「第7表」と訂正する。Margin below αta, page 19, line 10 ``Table 8 j is corrected to ``Table 7.''

aQ  同第20頁の「第8表」を次の「第7表」に訂
正する。
aQ "Table 8" on page 20 of the same page is corrected to the following "Table 7."

以下余白 特許請求の範囲 1、  L−エリスローバイオプテリン又はそのアシル
誘導体を白金黒を触媒としてアミン類の存在下pH10
〜13で接触還元し、アシル基が存在する場合にはこれ
を脱離することを特徴とする(6R)−テトラヒドロ−
L−パイオゾテリンの製造法。
The following margin claims 1.
(6R)-tetrahydro-, which is characterized by catalytic reduction in ~13 and elimination of the acyl group, if present.
Method for producing L-pyozoteline.

2、 反応を水又は/及びアルコール系溶媒中行うこと
を特徴とする特許請求の範囲第1項記載の製造法。
2. The production method according to claim 1, wherein the reaction is carried out in water and/or an alcoholic solvent.

Claims (1)

【特許請求の範囲】 1、L−エリスロ−バイオプテリン又はそのアシル誘導
体を白金黒を触媒としてpH10〜13で接触還元し、
アシル基が存在する場合にはこれを脱離することを特徴
とする(6R)−テトラヒドロ−L−バイオプテリンの
製造法。 2、反応を水又は/及びアルコール系溶媒中塩基性物質
の存在下行うことを特徴とする特許請求の範囲第1項記
載の製造法。 3、塩基性物質が、水酸化アルカリ、アンモニア、アミ
ン類又はアミノ酸である特許請求の範囲第2項記載の製
造法。
[Claims] 1. Catalytic reduction of L-erythro-biopterin or its acyl derivative at pH 10 to 13 using platinum black as a catalyst,
A method for producing (6R)-tetrahydro-L-biopterin, which comprises removing an acyl group, if present. 2. The production method according to claim 1, wherein the reaction is carried out in water or/and an alcoholic solvent in the presence of a basic substance. 3. The production method according to claim 2, wherein the basic substance is an alkali hydroxide, ammonia, amines, or an amino acid.
JP60012477A 1985-01-28 1985-01-28 Production of (6r)-tetrahydro-l-biopterin Granted JPS61172876A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP60012477A JPS61172876A (en) 1985-01-28 1985-01-28 Production of (6r)-tetrahydro-l-biopterin
US06/824,288 US4713454A (en) 1985-01-28 1986-01-23 Preparation process of (6R)-tetrahydro-L-biopterin
CA000500218A CA1262347A (en) 1985-01-28 1986-01-23 Preparation process of (6r)-tetrahydro-l-biopterin
AU52720/86A AU581052B2 (en) 1985-01-28 1986-01-24 Preparation process of (6R)-tetrahydro-L-biopterin
DE8686100944T DE3680800D1 (en) 1985-01-28 1986-01-24 METHOD FOR PRODUCING (6R) -TETRAHYDRO-L-BIOPTERIN.
EP86100944A EP0191335B1 (en) 1985-01-28 1986-01-24 Preparation process of (6r)-tetrahydro-l-biopterin
AT86100944T ATE66229T1 (en) 1985-01-28 1986-01-24 PROCESS FOR THE PRODUCTION OF (6R)-TETRAHYDRO-L-BIOPTERIN.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60012477A JPS61172876A (en) 1985-01-28 1985-01-28 Production of (6r)-tetrahydro-l-biopterin

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP8164213A Division JP2711828B2 (en) 1996-06-25 1996-06-25 Method for producing (6R) -tetrahydro-L-biopterin hydrochloride

Publications (2)

Publication Number Publication Date
JPS61172876A true JPS61172876A (en) 1986-08-04
JPH0413357B2 JPH0413357B2 (en) 1992-03-09

Family

ID=11806461

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60012477A Granted JPS61172876A (en) 1985-01-28 1985-01-28 Production of (6r)-tetrahydro-l-biopterin

Country Status (1)

Country Link
JP (1) JPS61172876A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60178887A (en) * 1984-02-23 1985-09-12 Kanegafuchi Chem Ind Co Ltd Preparation of 5,6,7,8-tetrahydro-l-biopterin
JPH0413357B2 (en) * 1985-01-28 1992-03-09 Shiratori Seiyaku Kk
JP2007536210A (en) * 2003-11-17 2007-12-13 メルック・エプロバ・アクチエンゲゼルシヤフト Crystalline form of (6R) -L-erythro-tetrahydrobiopterin dihydrochloride
JP2008535770A (en) * 2005-04-14 2008-09-04 白鳥製薬株式会社 Method for producing sapropterin hydrochloride α-form crystals

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60142959A (en) * 1983-12-28 1985-07-29 Otsuka Pharmaceut Co Ltd Quinoline derivative

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61172876A (en) * 1985-01-28 1986-08-04 Shiratori Seiyaku Kk Production of (6r)-tetrahydro-l-biopterin

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60142959A (en) * 1983-12-28 1985-07-29 Otsuka Pharmaceut Co Ltd Quinoline derivative

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60178887A (en) * 1984-02-23 1985-09-12 Kanegafuchi Chem Ind Co Ltd Preparation of 5,6,7,8-tetrahydro-l-biopterin
JPH0212475B2 (en) * 1984-02-23 1990-03-20 Kanegafuchi Chemical Ind
JPH0413357B2 (en) * 1985-01-28 1992-03-09 Shiratori Seiyaku Kk
JP2007536210A (en) * 2003-11-17 2007-12-13 メルック・エプロバ・アクチエンゲゼルシヤフト Crystalline form of (6R) -L-erythro-tetrahydrobiopterin dihydrochloride
JP2011162568A (en) * 2003-11-17 2011-08-25 Merck Eprova Ag Crystalline forms of (6r)-l-erythro-tetrahydrobiopterin dihydrochloride
JP2008535770A (en) * 2005-04-14 2008-09-04 白鳥製薬株式会社 Method for producing sapropterin hydrochloride α-form crystals

Also Published As

Publication number Publication date
JPH0413357B2 (en) 1992-03-09

Similar Documents

Publication Publication Date Title
EP0191335B1 (en) Preparation process of (6r)-tetrahydro-l-biopterin
US4595752A (en) Process for preparing 5,6,7,8-tetrahydro-6-(L-erythro-1&#39;,2&#39;-dihydroxypropyl)pterin
JPS60246393A (en) Novel preparation of etoposide
EP0156330B1 (en) Sulfate of 5,6,7,8-tetrahydro-l-erythro-biopterin and process for preparing the same
CN100348573C (en) Method for preparing L-carnitine
Atkins et al. Alkylation of N-trimethylsilylated primary amines with arylethylene oxides. An efficient synthesis of 1-phenethanolamines.
JPS61172876A (en) Production of (6r)-tetrahydro-l-biopterin
JP2711828B2 (en) Method for producing (6R) -tetrahydro-L-biopterin hydrochloride
JPH02304049A (en) Preparation of r (+) -aminocarnitine and s (-) -aminocarnitine
JPS61172877A (en) Production of (6r)-tetrahydro-l-biopterin
JPS60204786A (en) Synthesis of (6r)-tetrahydrobiopterin and its relating substance
US3901915A (en) Optical resolution of organic carboxylic acids
CN112479970A (en) Indole beta-site alkylation method without participation of transition metal
JP2674707B2 (en) L-Biopterin manufacturing method
JPS62242692A (en) Production of moranoline derivative
CN114933558B (en) Method for preparing chiral amino compound by catalytic reduction of chiral nitro compound
EP0065867B1 (en) Optical resolution of dl-cysteine
JP2995448B2 (en) Method for producing (6S) -tetrahydro-D-neopterin
JP2000351750A (en) Purification or shikimic acid and shikimic acid derivative
JPS5967252A (en) Preparation of optically active beta-aminoisobutyric acid and its derivative
Quijada et al. An efficient chemoenzymatic method to prepare optically active primary–tertiary trans-cycloalkane-1, 2-diamines
JPH01287064A (en) Production of optically active aminopropanol derivative
JPS63107982A (en) Production of 9-((2-hydroxyethoxy)methyl)-guanine
CN117865785A (en) Purification method of minobaclin intermediate
JPH02295970A (en) Preparation of optically active propane-2-ol derivative

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term