WO2001044171A1 - Procede de production d'un sel de cyanobenzylamine ou de l'un de ses derives - Google Patents
Procede de production d'un sel de cyanobenzylamine ou de l'un de ses derives Download PDFInfo
- Publication number
- WO2001044171A1 WO2001044171A1 PCT/JP2000/008874 JP0008874W WO0144171A1 WO 2001044171 A1 WO2001044171 A1 WO 2001044171A1 JP 0008874 W JP0008874 W JP 0008874W WO 0144171 A1 WO0144171 A1 WO 0144171A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cyanobenzylamine
- salt
- acid
- hydrochloride
- cyanobenzylamines
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
- C07C255/49—Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
- C07C255/58—Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing cyano groups and singly-bound nitrogen atoms, not being further bound to other hetero atoms, bound to the carbon skeleton
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C253/00—Preparation of carboxylic acid nitriles
- C07C253/30—Preparation of carboxylic acid nitriles by reactions not involving the formation of cyano groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C253/00—Preparation of carboxylic acid nitriles
- C07C253/32—Separation; Purification; Stabilisation; Use of additives
- C07C253/34—Separation; Purification
Definitions
- the present invention relates to a method for producing a salt of a cyanobenzylamine and a salt of the cyanobenzylamine obtained by the method.
- the salts of cyanobenzylamines produced by the method of the present invention are useful as raw materials for pharmaceuticals and agricultural chemicals. Background art
- J. Am. Chem. Soc., 81 (1959) 4328 describes a reaction obtained by reacting hydrazine with N- (3_cyanopropyl) phthalimid synthesized from 4-bromobutyronitrile. After working up the product, getyl A method for synthesizing 4-aminobutyronitrile hydrochloride by reacting with anhydrous hydrogen chloride in ether is disclosed, and p-cyanobenzylamine hydrochloride was synthesized by a method similar to this method. This is stated.
- J. Med. Chem., 10 (1967) 833-840 discloses a method for synthesizing ⁇ -cyanobenzylamine from ⁇ -phthalimide- ⁇ -tolunitryl and hydrazine. Although it is described that the hydrochloride was synthesized, there is no description on the specific method.
- Japanese Patent Publication No. 10-50 / 47/377 discloses that ⁇ — (4-cyanophenyl) methylphthalimid and hydrazine synthesized from ⁇ -cyanobenzylbutide and phthalimidocadium. It is described that after the reaction product obtained by reacting with the above, a ⁇ -cyanobenzylamine hydrochloride is synthesized by converting the reaction product into a hydrochloride salt, but the conversion method to the hydrochloride salt is described. There is no specific description.
- Japanese Patent Publication No. 9-5099937 states that p-shear is obtained by reacting N-Boc- ⁇ -aminomethyl benzobenzonitrile with hydrogen chloride gas in ethyl acetate.
- a method for synthesizing nobenzylamine hydrochloride is disclosed.
- Chem. Ber., 34 (1901) 3368 states that ⁇ -cyanobenzilamin was identified as a hydrochloride, but does not describe a method for producing the same.
- the method for producing a cyanobenzylamine salt requires a multi-step reaction and the yield is low, so that it is satisfactory as an industrial method for producing a cyanobenzylamine salt. is not.
- the hydrochloride of cyanobenzylamines obtained by a conventional method is very bulky with a bulk specific gravity of 0.2 g / m 1 or less.
- a bulk specific gravity of 0.2 g / m 1 or less.
- the transportation method must be limited based on the volume, which is not preferable from the viewpoint of logistics cost.
- the bulkiness of the facility requires the facility to be made larger, which requires not only higher facility costs, but also operation. There is a problem that it is inconvenient. Disclosure of the invention
- the present invention provides an industrially suitable method capable of easily producing a salt of cyanobenzylamine in a high yield, and has a large bulk specific gravity and is not bulky.
- An object is to provide a salt of cyanobenzylamines.
- the present inventors have conducted intensive studies to solve the above-mentioned problems, and as a result, have found that a salt of a cyanobenzylamine can be easily produced by reacting the cyanobenzylamine with an acid. It was found that when used as an aqueous solution, the salt of the cyanobenzilamines produced had an exceptionally high bulk specific gravity and was not bulky as compared with conventional ones. Based on these findings, when the cyanobenzylamine salts obtained by this method are used for industrial production, the operability in logistics such as storage or transportation and operability in manufacturing facilities is significantly improved as compared with conventional products. They found what they could do and completed the present invention.
- the present invention provides a method for producing a salt of a cyanobenzylamine which comprises reacting the cyanobenzylamine with an acid.
- the present invention also provides a salt of cyanobenzilamines having a bulk specific gravity of 0.4 g / m 1 or more.
- the cyanobenzylamine is reacted with an acid in a solvent, if necessary, for a predetermined period of time to form a suspension of the salt of the cyanobenzylamine.
- a solvent if necessary, for a predetermined period of time to form a suspension of the salt of the cyanobenzylamine.
- its hydrate may be used as the cyanobenzylamine.
- the cyanobenzylamines used in the present invention are as follows:
- X ′, X 2 , X 3 and X 4 each independently represent a hydrogen atom, an alkyl group having 1 to 3 carbon atoms or a halogen atom, and one CH 2 NH 2 group represents (It may be in any position of ortho, meta or para to CN group)
- cyanobenzylamines such as 0-cyanobenzylamine, m-cyanobenzilamin, p-cyanobenzilamin, 2-alkyl-14-cyanobenzylamine. Substitution of benzylamine, 2-crotin-41-cyanobenzylamine, tetrafluorocyano benzodiamine, tetrachlorocyano benzodiamine, etc. There can be mentioned cyanobenzylamines.
- the cyanobenzylamines can be produced by a known method.
- m_cyanobenzylamine and p-cyanobenzylamine are prepared according to the method described in Japanese Patent Application Laid-Open No. 9-46030, respectively.
- the compound can be easily synthesized by subjecting the nitrile group on one side of lonitrile to a reduction reaction.
- Hydrates of cyanobenzilamines can also be produced by known methods.
- the hydrate of m_cyanobenzylamine and the hydrate of P-cyanobenzylamine are each prepared by the method disclosed in Japanese Patent Publication No. 40-11 / 33. It can be easily produced from -cyanobenzylamine and p -cyanobenzylamine.
- the solvent used in the reaction of the present invention is not necessary, but can be used to dilute the salt of the cyanobenzylamine so that it can be easily handled in a suspended state. .
- a solvent it does not react with cyanobenzylamines or their salts such as toluene, ethyl acetate, and methylene chloride or their salts, and does not cause side reactions when an acid coexists.
- Such organic solvents are suitably used.
- the amount of the organic solvent to be used may be an amount capable of handling the salt of the cyanobenzylamine in a suspended state, and is 0.1 to 10 mass per the normally used cyanobenzylamine. Preferably, the amount is doubled.
- water is suitably used as the solvent.
- a salt of a cyanobenzylamine having a bulk specific gravity of 0.4 g / m 1 or more, particularly a hydrochloride can be obtained.
- the salt of cyanobenzylamines having a large bulk specific gravity is useful when used, particularly when used industrially, because it can reduce distribution costs and the like.
- the amount of water used as the solvent must be such that the salt of the cyanobenzylamine can be handled in a suspended state, and is 0.1 to 0.1% based on the cyanobenzylamine. It is preferable that the amount is 10 times by mass.
- the resulting suspension of the cyanobenzylamine salt may have a high viscosity and may cause problems such as inability to stir during the reaction. If the amount is more than 10 times by mass, the generated cyanobenzilamin salts may be dissolved in water to increase the loss.
- the salt of the cyanobenzylamines and the salts of the impurities can be obtained by using water as a solvent according to the method of the present invention. Impurities can be easily removed by utilizing the difference in solubility in water with water, so that high-purity salts of cyanobenzylamines can be obtained.
- the resulting p_ The cyanobenzilamin contains by-product p-xylylenediamine.
- This p-xylylenediamine has a boiling point of 127.6 ° C / 590 Pa, and the boiling point of p-cyanobenzilamin is 132.4 ° C / 550 Pa, which is a small difference in boiling point. It is more difficult to separate.
- p-cyanobenzilamin containing p-xylylenediamine as an impurity is reacted with hydrogen chloride in water to obtain p-cyanobenzilamin. Since the solubility of hydrochloride in water is much lower than the solubility of p-xylylenediamine hydrochloride in water, highly purified p-xylylenediamine hydrochloride-free purified p-cyanobe Ndzilamin hydrochloride can be obtained as a solid.
- cyanobenzylamines In cyanobenzylamines, more powerful substances than cyanobenzylamines, such as evening matter and products due to deterioration of cyanobenzylamines, are produced.
- a substance having an extremely high boiling point When a substance having an extremely high boiling point is contained, it is preferable to remove the high boiling substance by distillation or the like before carrying out the method of the present invention. It is preferable because it gives a mineral salt.
- the acid used in the present invention is not limited as long as it is an acid that forms a salt with cyanobenzylamines. Specific examples include hydrogen chloride, sulfuric acid, acetic acid, trifluoroacetic acid, and propionic acid.
- the acid used in the present invention is hydrogen chloride
- it may be a gas or an aqueous solution.
- gas a method is used in which hydrogen chloride gas is directly or diluted with an inert gas in a solution of cyanobenzylamines, and then blown or aerated in the gas phase.
- the mixing ratio of the inert gas and hydrogen chloride is not particularly limited.
- a method of dropping an aqueous solution of hydrogen chloride into cyanobenzylamines (or a solution thereof) or a method of dropping an aqueous solution of cyanobenzylamines (or a solution thereof) into an aqueous solution of hydrogen chloride can be used.
- the concentration of hydrogen chloride in the aqueous hydrogen chloride solution is not particularly limited, but may be an aqueous solution of hydrogen chloride that can be easily obtained industrially.
- the preferred concentration of hydrogen chloride is 1 to 37% by mass, more preferably 5 to 37% by mass.
- the acid used in the present invention is a monovalent acid such as hydrogen chloride
- the acid reacts with the amino group of cyanobenzylamine in an equimolar amount, so that the amount used is theoretically the cyanobenzylamine. May be equimolar to the compounds, but in practice cyanobenzylamines usually contain some impurities. Therefore, it is preferable to use hydrogen chloride in an amount of 0.9 to 2.0 times the molar amount of the cyanobenzylamine.
- the amount of sulfuric acid is one half the amount of the amino group in the cyanobenzylamine, and when the amount of the sulfuric acid is half the amount of the amino group in the cyanobenzylamine, it is based on 2 mol of the cyanobenzylamine.
- One mole of sulfuric acid reacts to give the first sulfate of cyanobenzylamines, and when an equimolar amount of sulfuric acid is used, it is obtained by reacting the equimolar amounts of cyanobenzylamines and sulfuric acid. A second sulfate of cyanobenzylamines is obtained.
- the reaction temperature of the cyanobenzylamine with the acid is not particularly limited as long as it is not lower than the melting point and not higher than the boiling point of the solvent used. From the viewpoint of operability and the like, the reaction temperature is preferably 0 to 100 ° C.
- the resulting powder of the cyanobenzylamine salt can be separated from the suspension by a known method and dried.
- the bulk specific gravity was measured by JISK6702-2 (corresponding to ISO1060-2).
- the methanol was removed from the reaction mixture thus obtained by distillation, and the crude p_cyanobenzylamine was distilled off under reduced pressure.
- the content of p-cyanobenzylamine was 93% by mass, and the content of p-xylylenediamine was 7% by mass. there were.
- the p-cyanobenzilamin hydrate was prepared with reference to the description of Japanese Patent Publication No. 40-11 / 33.
- the obtained p-cyanobenzylamine hydrochloride was analyzed by high performance liquid chromatography. As a result, p-cyanobenzylamine in p_cyanobenzylamine hydrochloride was 77% by mass. Further, as a result of analysis by anion chromatography, the hydrogen chloride content in p-cyanobenzylamine hydrochloride was 23% by mass.
- the bulk density of the p-cyanobenzylamine hydrochloride thus obtained was 0.3 g / m 1.
- Example 3 Using the same apparatus as in Example 3, 39.4 g of the filtrate obtained when the white solid was filtered off in Example 3 and the p-cyano benzylamine aqueous solution obtained in Preparation Example 2 To the mixture of 32.8 g of the hydrate, 20.5 g of concentrated hydrochloric acid was added dropwise. The resulting white solid was filtered off and dried in a vacuum drier to obtain 31.0 g of p-cyanobenzylamine hydrochloride.
- Example 3 Using the same apparatus as in Example 3, 52.0 g of the filtrate obtained when the white solid was filtered off in Example 4 and the p-cyano benzylamine aqueous solution obtained in Preparation Example 2 To a mixture of 32.5 g of the hydrate, 20.6 g of concentrated hydrochloric acid was added dropwise. The resulting white solid was separated by filtration and dried in a vacuum drier to obtain 28.0 g of p-cyanobenzylamine hydrochloride.
- Example 3 Using the same apparatus as in Example 3, 68.7 g of the filtrate obtained when the white solid was filtered off in Example 5 and the p-cyano benzylamine aqueous solution obtained in Preparation Example 2 To a mixture of 32.6 g of the hydrate, 20.6 g of concentrated hydrochloric acid was added dropwise. The resulting white solid was separated by filtration and dried in a vacuum drier to obtain 32.1 g of p-cyanobenzylamine hydrochloride.
- the amount of p-cyanobenzilamin hydrate used in Examples 3 to 6 was 130.5 g, and the obtained p-cyanobenzilamin hydrochloride was 115 g6 g. Therefore, the yield of p-cyanobenzilamin hydrochloride from P-cyanobenzilamin hydrate in p-cyanobenzylammine hydrate is 89%.
- p-cyanobenzylamine hydrochloride obtained in Examples 3 to 6 was analyzed, and all of them were p-cyanobenzylamine. 78% by mass of min and 22% by mass of hydrogen chloride were detected, and p-xylylenediamine was not detected. Further, water was 0.1% by mass or less, and bulk specific gravity was 0.5 g / m 1.
- P-cyanobenzilamin hydrochloride was synthesized with reference to the description in JP-T-9-15099337.
- a salt of a cyanobenzylamine can be easily and industrially produced with good operability. Further, the cyanobenzylamine salt obtained according to the present invention has a higher bulk specific gravity than conventional ones, and is therefore advantageous in terms of distribution and operation when used industrially.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002355266A CA2355266C (en) | 1999-12-14 | 2000-12-14 | Process for producing salt of cyanobenzylamines |
AU18902/01A AU1890201A (en) | 1999-12-14 | 2000-12-14 | Process for producing salt of cyanobenzylamine or derivative |
EA200100656A EA003286B1 (ru) | 1999-12-14 | 2000-12-14 | Способ получения солей цианобензиламинов |
EP00981730A EP1151989A4 (en) | 1999-12-14 | 2000-12-14 | PROCESS FOR PRODUCING A CYANOBENZYLAMINE SALT OR ONE OF ITS DERIVATIVES |
US09/875,094 US6392083B2 (en) | 1999-12-14 | 2001-06-07 | Process for producing salts of cyanobenzylamines |
NO20013453A NO327534B1 (no) | 1999-12-14 | 2001-07-12 | Fremgangsmate for fremstilling av salter av cyanobenzylamin |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP35386299 | 1999-12-14 | ||
JP11/353862 | 1999-12-14 | ||
US24658800P | 2000-11-08 | 2000-11-08 | |
US60/246,588 | 2000-11-08 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/875,094 Continuation US6392083B2 (en) | 1999-12-14 | 2001-06-07 | Process for producing salts of cyanobenzylamines |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001044171A1 true WO2001044171A1 (fr) | 2001-06-21 |
Family
ID=18433736
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2000/008874 WO2001044171A1 (fr) | 1999-12-14 | 2000-12-14 | Procede de production d'un sel de cyanobenzylamine ou de l'un de ses derives |
Country Status (9)
Country | Link |
---|---|
US (1) | US6392083B2 (ja) |
EP (1) | EP1151989A4 (ja) |
KR (1) | KR100806326B1 (ja) |
CN (1) | CN1172905C (ja) |
AU (1) | AU1890201A (ja) |
CA (1) | CA2355266C (ja) |
EA (1) | EA003286B1 (ja) |
NO (1) | NO327534B1 (ja) |
WO (1) | WO2001044171A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102503835A (zh) * | 2011-11-14 | 2012-06-20 | 罗梅 | 一种铵盐的合成方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB814631A (en) * | 1957-01-10 | 1959-06-10 | Distillers Co Yeast Ltd | The production of cyano benzylamines |
WO1995029189A1 (en) * | 1994-04-26 | 1995-11-02 | Selectide Corporation | FACTOR Xa INHIBITORS |
JPH0940630A (ja) | 1995-08-02 | 1997-02-10 | Showa Denko Kk | 芳香族シアノメチルアミンの製法 |
EP0776883A1 (en) * | 1995-11-29 | 1997-06-04 | Ajinomoto Co., Inc. | Adduct salts of substituted benzylamine and a process for optically resolving them |
JPH09509937A (ja) | 1994-03-04 | 1997-10-07 | イーライ・リリー・アンド・カンパニー | 抗血栓剤 |
WO1999064391A1 (en) * | 1998-06-11 | 1999-12-16 | Astrazeneca Ab | New process |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3515741A (en) * | 1964-04-20 | 1970-06-02 | Boehringer Sohn Ingelheim | 1-cyanophenoxy-2-amino-alkanes |
DK129447B (da) * | 1967-12-18 | 1974-10-14 | Boehringer Sohn Ingelheim | Analogifremgangsmåde til fremstilling af racemiske eller optisk aktive 1-phenoxy-2-hydroxy-3-sek.-alkylaminopropaner eller syreadditionssalte heraf. |
US4101671A (en) * | 1973-04-13 | 1978-07-18 | Boehringer Ingelheim Gmbh | Aminobenzyl-amines and salts thereof |
EP1087770A4 (en) * | 1998-06-15 | 2001-11-14 | Merck & Co Inc | INHIBITORS OF PRENYL PROTEIN TRANSFERASE |
-
2000
- 2000-12-14 AU AU18902/01A patent/AU1890201A/en not_active Abandoned
- 2000-12-14 CA CA002355266A patent/CA2355266C/en not_active Expired - Fee Related
- 2000-12-14 CN CNB008027412A patent/CN1172905C/zh not_active Expired - Fee Related
- 2000-12-14 WO PCT/JP2000/008874 patent/WO2001044171A1/ja active Application Filing
- 2000-12-14 EA EA200100656A patent/EA003286B1/ru not_active IP Right Cessation
- 2000-12-14 EP EP00981730A patent/EP1151989A4/en not_active Withdrawn
- 2000-12-14 KR KR1020017008722A patent/KR100806326B1/ko not_active IP Right Cessation
-
2001
- 2001-06-07 US US09/875,094 patent/US6392083B2/en not_active Expired - Fee Related
- 2001-07-12 NO NO20013453A patent/NO327534B1/no not_active IP Right Cessation
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB814631A (en) * | 1957-01-10 | 1959-06-10 | Distillers Co Yeast Ltd | The production of cyano benzylamines |
JPH09509937A (ja) | 1994-03-04 | 1997-10-07 | イーライ・リリー・アンド・カンパニー | 抗血栓剤 |
WO1995029189A1 (en) * | 1994-04-26 | 1995-11-02 | Selectide Corporation | FACTOR Xa INHIBITORS |
JPH10503477A (ja) | 1994-04-26 | 1998-03-31 | セレクタイド コーポレイション | 第Xa因子インヒビター |
JPH0940630A (ja) | 1995-08-02 | 1997-02-10 | Showa Denko Kk | 芳香族シアノメチルアミンの製法 |
EP0776883A1 (en) * | 1995-11-29 | 1997-06-04 | Ajinomoto Co., Inc. | Adduct salts of substituted benzylamine and a process for optically resolving them |
WO1999064391A1 (en) * | 1998-06-11 | 1999-12-16 | Astrazeneca Ab | New process |
Non-Patent Citations (6)
Title |
---|
A. F. MCKAY ET AL.: "JOURNAL OF THE AMERICAN CHEMICAL SOCIETY", vol. 81, 1959, USAMERICAN CHEMICAL SOCIETY, article "Bacteriostats. II. The Chemical and Bacteriostatic Properties of Isothiocyanates and their Derivatives", pages: 4328 - 4335 |
CHEM. BER., vol. 34, 1901, pages 3368 |
CHEMICAL ABSTRACTS, vol. 58, 1963, Columbus, Ohio, US; abstract no. 5468D, EXNER O. ET AL.: "Quantitative evaluation of the inductive effect" XP002936557 * |
COLLECTION CZECH. CHEM. COMMUN., vol. 27, 1962, pages 2296 - 2306 * |
See also references of EP1151989A4 |
WOLFGANG R. MEINDL ET AL.: "JOURNAL OF MEDICINAL CHEMISTRY", vol. 27, 1994, USAMERICAN CHEMICAL SOCIETY, article "Benzylamines: Synthesis and Evaluation of Antimycobacterial Properties", pages: 1111 - 1118 |
Also Published As
Publication number | Publication date |
---|---|
KR100806326B1 (ko) | 2008-02-27 |
CN1172905C (zh) | 2004-10-27 |
CA2355266A1 (en) | 2001-06-21 |
NO20013453D0 (no) | 2001-07-12 |
EA200100656A1 (ru) | 2001-12-24 |
KR20010101454A (ko) | 2001-11-14 |
NO20013453L (no) | 2001-09-04 |
AU1890201A (en) | 2001-06-25 |
CA2355266C (en) | 2009-11-10 |
EP1151989A1 (en) | 2001-11-07 |
US20010049453A1 (en) | 2001-12-06 |
EA003286B1 (ru) | 2003-04-24 |
CN1341096A (zh) | 2002-03-20 |
EP1151989A4 (en) | 2009-01-21 |
US6392083B2 (en) | 2002-05-21 |
NO327534B1 (no) | 2009-08-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6307087B2 (ja) | ベンズアミド化合物の合成に有用な化合物 | |
WO2007105793A1 (ja) | イソ尿素類のニトロ化方法 | |
US8907127B2 (en) | Preparation method of 4-aminomethylbenzoic acid | |
JP2011513286A (ja) | コンブレタスタチンの調製方法 | |
JPS63112570A (ja) | 5−メチルテトラゾールの製造法 | |
JP2598848B2 (ja) | ビス(3−シアノ−3,5,5−トリメチル−シクロヘキシリデン)−アジン、該化合物の製法及び3−(アミノメチル)−3,5,5−トリメチルシクロヘキシルアミンの製法 | |
WO2001044171A1 (fr) | Procede de production d'un sel de cyanobenzylamine ou de l'un de ses derives | |
JP5088598B2 (ja) | シアノベンジルアミン類の塩の製造方法 | |
CN102675294A (zh) | 一种合成氯沙坦及其中间体的方法 | |
EP1506160B1 (en) | Production process of aminomethyl group-containing benzamide compound | |
JPH10506653A (ja) | ヨウ素化造影剤の製造方法 | |
KR101856566B1 (ko) | 4'-히드록시-4-비페닐카르복실산의 신규 제조 방법 | |
JP3477631B2 (ja) | 1,3−ビス(3−アミノプロピル)−1,1,3,3−テトラオルガノジシロキサンの精製方法 | |
JP4430400B2 (ja) | 2−アニリノ−4,6−ジメチルピリミジンの製造方法 | |
JP3717277B2 (ja) | 高純度の1,3−ジアルキル−2−イミダゾリジノンおよびその製造方法 | |
JP2003055285A (ja) | 4−tert−ブトキシ−4’−ハロゲノビフェニルおよびその製法、並びに4−ハロゲノ−4’−ヒドロキシビフェニルの製法 | |
JP3505991B2 (ja) | 4,5−ジ置換アントラニルアミドの製造法 | |
JPS5838261A (ja) | 新規な1,3−二置換イミダゾ−ル誘導体及びその製造方法 | |
JP3927835B2 (ja) | ヨウ化芳香族化合物ジアセテートの製造方法 | |
JP2003528846A (ja) | N−ブチリル−4−アミノ−3−メチル−安息香酸メチルエステルの製法および新規化合物n−(4−ブロモ−2−メチルフェニル)−ブタンアミド | |
JP3276522B2 (ja) | グアナミン類の製造方法 | |
JP4564786B2 (ja) | 1−置換―1―アミノグアニジン又はその塩、及びこれらの製造方法 | |
JPS6330450A (ja) | 重水素化安息香酸類の製造方法 | |
JPH1180047A (ja) | 4,4’−ビスクロロメチルビフェニルの製造法 | |
JP4571740B2 (ja) | 1,6−ジシアノヘキサンの製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 00802741.2 Country of ref document: CN |
|
WWE | Wipo information: entry into national phase |
Ref document number: 09875094 Country of ref document: US |
|
ENP | Entry into the national phase |
Ref document number: 2355266 Country of ref document: CA Ref document number: 2355266 Country of ref document: CA Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2000981730 Country of ref document: EP |
|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CR CU CZ DE DK DM DZ EE ES FI GB GD GE GH GM HR HU ID IL IN IS KE KG KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT TZ UA UG US UZ VN YU ZA ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE TR BF BJ CF CG CI CM GA GN GW ML MR NE SN TD TG |
|
WWE | Wipo information: entry into national phase |
Ref document number: IN/PCT/2001/00780/MU Country of ref document: IN |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1020017008722 Country of ref document: KR |
|
WWE | Wipo information: entry into national phase |
Ref document number: 200100656 Country of ref document: EA |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWP | Wipo information: published in national office |
Ref document number: 2000981730 Country of ref document: EP |
|
REG | Reference to national code |
Ref country code: DE Ref legal event code: 8642 |