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公开(公告)号:JP2007055922A
公开(公告)日:2007-03-08
申请号:JP2005241942
申请日:2005-08-24
Applicant: Kaneka Corp , 株式会社カネカ
Inventor: AMANO SUSUMU , KAWASAKI HIROAKI , FUJII AKIO , MOROSHIMA TADASHI , WATABE KAZUHIKO , MITSUDA MASARU
IPC: C07D209/48
Abstract: PROBLEM TO BE SOLVED: To provide a method for safely and effectively producing industrially useful phthalimidoacetaldehyde and a phthalimidoacetaldehyde dialkyl acetal. SOLUTION: In this method, a phthalimidoacetaldehyde acetal derivative is prepared by making phthalimide, a base, and the like act on a haloacetaldehyde acetal derivative. The phthalimidoacetaldehyde is produced by making an acid act on the obtained phthalimidoacetaldehyde acetal derivative. COPYRIGHT: (C)2007,JPO&INPIT
Abstract translation: 要解决的问题:提供安全有效地生产工业上有用的苯二甲酰亚氨基乙醛和苯二甲酰亚氨基乙醛二烷基缩醛的方法。 解决方案:在该方法中,通过使邻苯二甲酰亚胺,碱等作用于卤代乙醛缩醛衍生物来制备苯二甲酰亚氨基乙醛缩醛衍生物。 通过使所得的苯二甲酰亚氨基乙醛缩醛衍生物发生酸作用来制造苯二甲酰亚氨基乙醛。 版权所有(C)2007,JPO&INPIT
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公开(公告)号:MY162454A
公开(公告)日:2017-06-15
申请号:MYPI2013004326
申请日:2012-06-28
Applicant: KANEKA CORP
Inventor: MOURI TAKU , TAOKA NAOAKI , MOROSHIMA TADASHI , KINOSHITA KOICHI
Abstract: A SOLID OXIDIZED GLUTATHIONE SALT IS PRODUCED BY HEATING AN OXIDIZED GLUTATHIONE AT 30°C OR HIGHER WHILE THE OXIDIZED GLUTATHIONE IS BROUGHT INTO CONTACT WITH AN AQUEOUS MEDIUM IN THE PRESENCE OF A SUBSTANCE FOR PROVIDING A CATION, TO PRODUCE THE SALT OF THE OXIDIZED GLUTATHIONE AND THE CATION AS A SOLID, WHEREIN THE AQUEOUS MEDIUM IS COMPOSED OF WATER AND/OR A WATER-SOLUBLE MEDIUM, AND THE CATION IS AT LEAST ONE SELECTED FROM AN AMMONIUM CATION, A CALCIUM CATION AND A MAGNESIUM CATION.
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公开(公告)号:CA2266757C
公开(公告)日:2010-10-19
申请号:CA2266757
申请日:1998-07-21
Applicant: KANEKA CORP
Inventor: UEDA YASUYOSHI , KINOSHITA KOICHI , MOROSHIMA TADASHI , YANAGIDA YOSHIFUMI , FUSE YOSHIHIDE
Abstract: There is provided a process for preparing a pharmacologically acceptable salt of N-(1(S)--ethoxycarbonyl-3-phenylpropyl)-L-alanyl-amino acid which comprises condensing an amino acid and N--(1(S)-ethoxycarbonyl-3-phenylpropyl)-L-alanine- N-carboxy-anhydride under basic condition, carrying out decarboxylation under between neutral and acidic condition to obtain N-(1(S)-ethoxycarbonyl-3-phenylpropyl)-L-alanyl-amino acid, and forming a pharmacologically acceptable salt thereof, wherein the production of a by-product (3): (see formula 3) is suppressed by carrying out in an aqueous liquid a series of operations till formation of the pharmacologically acceptable salt or till isolation of the pharmacologically acceptable salt. The present invention enables to prepare the pharmacologically acceptable salt of N-(1(S)-ethoxycarbonyl-3-phenylpropyl)-L-alanyl-amino acid having high quality, in a commercial scale with high yield and economical efficiency.
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公开(公告)号:SI9820007B
公开(公告)日:2007-12-31
申请号:SI9820007
申请日:1998-07-21
Applicant: KANEKA CORP
Inventor: UEDA YASUYOSHI , KINOSHITA KOICHI , MOROSHIMA TADASHI , YANAGIDA YOSHIFUMI , FUSE YOSHIHIDE
Abstract: Podan je postopek za pripravo farmakološko sprejemljive soli N-(1(S)-etoksikarbonil-3-fenilpropil)-L-alanil-aminokisline, ki obsega kondenziranje aminokisline in N-(1(S)-etoksikarbonil-3-fenilpropil)-L-alanin.N-karboksianhidrida pod bazičnim pogojem, izvedbo dekarboksilacije pod pogojem med nevtralnim in kislim, da dobimo N-(1(S)-etoksikarbonil-3-fenilpropil)-L-alanil-aminokislino in tvorbo njene farmakološko sprejemljive soli, v katerem proizvodnjo stranskega produkta (3) preprečimo tako, da v vodni tekočini izvedemo serijo operacij do tvorbe farmakološko sprejemljive soli ali do izolacije farmakološko sprejemljive soli. Predloženi izum omogoča pripravo farmakološko sprejemljive soli N-(1(S)- etoksikarbonil-3-fenilpropil)-L-alanil-aminokisline visoke kakovosti v tržnem merilu,z visokim dobitkom in z ekonomično učinkovitostjo.
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公开(公告)号:ES2241149T3
公开(公告)日:2005-10-16
申请号:ES98932585
申请日:1998-07-21
Applicant: KANEKA CORP
Inventor: UEDA YASUYOSHI , KINOSHITA KOICHI , MOROSHIMA TADASHI , YANAGIDA YOSHIFUMI , FUSE YOSHIHIDE
Abstract: UN PROCEDIMIENTO PARA LA PREPARACION DE SALES DE N - (1(S) ETOXICARBONIL - 3 - FENILPROPIL) - L - ALANILAMINOACIDOS FARMACOLOGICAMENTE ACEPTABLES QUE CONSISTE EN LOS PASOS SIGUIENTES: SE CONDENSA UN AMINOACIDO CON N - CARBOXIANHIDRIDO DE N - (1(S) - ETOXICARBONIL - 3 - FENILPROPIL) - L - ALANINA BAJO CONDICIONES BASICAS; SE DESCARBOXILA EL CONDENSADO BAJO CONDICIONES DE NEUTRAS A ACIDAS PARA PREPARAR UN N - (1(S) ETOXICARBONIL 3 - FENILPROPIL) - L - ALANILAMINOACIDO; Y SE CONVIERTE EL PRODUCTO EN UNA SAL FARMACOLOGICAMENTE ACEPTABLE DEL MISMO, QUE SE CARACTERIZA PORQUE SE LLEVAN A CABO UNA SERIE DE PROCEDIMIENTOS HASTA LA FORMACION DE UNA SAL FARMACOLOGICAMENTE ACEPTABLE O HASTA LA RETIRADA DE LA SAL FARMACOLOGICAMENTE ACEPTABLE DEL MISMO EN UN LIQUIDO ACUOSO PARA INHIBIR LA PRODUCCION DE UN SUBPRODUCTO (4). SEGUN ESTE PROCEDIMIENTO, SE PUEDEN PREPARAR SALES DE N - (1(S) ETOXICARBONIL - 3 - FENILPROPIL) - L - ALANILAMINOACIDOS FARMACOLOGICAMENTE ACEPTABLES EN GRANDES CANTIDADES DE MANERA ECONOMICA A ESCALA COMERCIAL.
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公开(公告)号:ES2215624T3
公开(公告)日:2004-10-16
申请号:ES00915524
申请日:2000-04-14
Applicant: KANEKA CORP
Inventor: KINOSHITA KOICHI , MOROSHIMA TADASHI , YANAGIDA YOSHIFUMI , NAGASHIMA NOBUO , SAKA YASUHIRO , HONDA TATSUYA
IPC: C07C29/147 , C07C31/42 , C07D307/20
Abstract: The application is concerned with a process for producing a 3-hydroxytetrahydrofuran of the formula (3): by cyclizing a 4-halo-1,3-butanediol of the general formula (2): wherein X represents a halogen atom in an aqueous solution, which comprises carrying out the cyclization reaction under weakly acidic to neutral conditions. Furthermore several methods are disclosed for the isolution of highly pure 3-hydroxytetrahydrofuran.
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公开(公告)号:ES2185967T3
公开(公告)日:2003-05-01
申请号:ES97935797
申请日:1997-08-18
Applicant: KANEKA CORP
Inventor: MATSUMOTO SHINGO , MATSUO KAZUHIKO , SUGAWA TADASHI , MOROSHIMA TADASHI , INOUE KENJI
IPC: C07C227/02 , C07C227/42 , C07C229/22 , C07C229/34 , C07C229/36 , C07C269/08 , C07C271/18 , C07C271/22 , C07C303/40 , C07C303/44 , C07C311/19 , C07D209/26 , C07D209/48
Abstract: An object of the present invention is to provide a process for producing a beta -amino- alpha -hydroxy acid derivative via efficient and industrially utilizable steps. The present invention provides a process for producing a beta -amino- alpha -hydroxy acid derivative represented by the general formula (2) given below which comprises hydrolyzing an alpha -amino- alpha ', alpha '-dihaloketone derivative of the general formula (1) given below in the presence of a base, followed by protecting the amino group or without protecting the same.
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公开(公告)号:HU0100831A2
公开(公告)日:2001-08-28
申请号:HU0100831
申请日:1999-09-22
Applicant: KANEKA CORP
Inventor: FUSE YOSHIHIDE , MOROSHIMA TADASHI , UEDA YASUYOSHI , YANAGIDA YOSHIFUMI
Abstract: The process for producing N -(1(S)-carboxy-3-phenylpropyl)-L-lysyl-L-proline in a simple, efficient and industrially advantageous manner, which comprises: the first step of subjecting the N -(1(S)-alkoxycarbonyl-3-phenylpropyl)-N -trifluoroacetyl-L-lysyl -L-proline (1) to alkali hydrolysis in a mixed solution composed of water and a hydrophilic organic solvent using an inorganic base in an amount of n molar equivalents (n >/= 3) per mole of the above compound (1), the second step of neutralizing the hydrolysis product using an inorganic acid in an amount of (n - 1) to n molar equivalents (n >/= 3) and removing the inorganic salt formed by causing the same to precipitate out from a solvent system suited for decreasing the solubility of the inorganic salt, and the third step of causing the compound (2) existing in the mixture after removal of the inorganic salt to crystallize out at the isoelectric point thereof and thereby recovering the compound (2) in the form of crystals while retaining the salts comprising the trifluoroacetic acid-derived organic acid salt in a state dissolved in the mother liquor.
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公开(公告)号:PL340685A1
公开(公告)日:2001-02-26
申请号:PL34068599
申请日:1999-09-22
Applicant: KANEKA CORP
Inventor: MOROSHIMA TADASHI , YANAGIDA YOSHIFUMI , FUSE YOSHIHIDE , UEDA YASUYOSHI
Abstract: The process for producing N -(1(S)-carboxy-3-phenylpropyl)-L-lysyl-L-proline in a simple, efficient and industrially advantageous manner, which comprises: the first step of subjecting the N -(1(S)-alkoxycarbonyl-3-phenylpropyl)-N -trifluoroacetyl-L-lysyl -L-proline (1) to alkali hydrolysis in a mixed solution composed of water and a hydrophilic organic solvent using an inorganic base in an amount of n molar equivalents (n >/= 3) per mole of the above compound (1), the second step of neutralizing the hydrolysis product using an inorganic acid in an amount of (n - 1) to n molar equivalents (n >/= 3) and removing the inorganic salt formed by causing the same to precipitate out from a solvent system suited for decreasing the solubility of the inorganic salt, and the third step of causing the compound (2) existing in the mixture after removal of the inorganic salt to crystallize out at the isoelectric point thereof and thereby recovering the compound (2) in the form of crystals while retaining the salts comprising the trifluoroacetic acid-derived organic acid salt in a state dissolved in the mother liquor.
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50.
公开(公告)号:SI20211A
公开(公告)日:2000-10-31
申请号:SI9920008
申请日:1999-07-19
Applicant: KANEKA CORP
Inventor: KINOSHITA KOICHI , MOROSHIMA TADASHI , YANAGIDA YOSHIFUMI , FUSE YOSHIHIDE , UEDA YASUYOSHI
Abstract: A method for crystallizing the maleic acid salt of N-(1(S)-ethoxycarbonyl-3-phenylpropyl)-L-alanyl-L-proline (Enalapril) from an aqueous liquid with ease in good yield, which comprises mixing an aqueous liquid containing N-(1(S)-ethoxycarbonyl-3-phenylpropyl)-L-alanyl-L-proline, maleic acid and a base and having a pH of 4 or more with an acid in an amount of the acid sufficient to convert the base to a neutral salt, to thereby crystallize N-(1(S)-ethoxycarbonyl-3-phenylpropyl)-L-alanyl-L-proline in the form of a maleic acid salt.
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