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公开(公告)号：DE60108355D1
公开(公告)日：2005-02-17
申请号：DE60108355
申请日：2001-02-02
Applicant: KANEKA CORP
Inventor： SAKA YASUHIRO , HONDA TATSUYA , NAGASHIMA NOBUO
IPC: C07D205/04
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公开(公告)号：DE60008334D1
公开(公告)日：2004-03-25
申请号：DE60008334
申请日：2000-04-14
Applicant: KANEKA CORP
Inventor： KINOSHITA KOICHI , MOROSHIMA TADASHI , YANAGIDA YOSHIFUMI , NAGASHIMA NOBUO , SAKA YASUHIRO , HONDA TATSUYA , FUSE YOSHIHIDE , UEDA YASUYOSHI
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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3.发明专利
公开(公告)号：ES2234802T3
公开(公告)日：2005-07-01
申请号：ES01902737
申请日：2001-02-02
Applicant: KANEKA CORP
Inventor： SAKA YASUHIRO , HONDA TATSUYA , NAGASHIMA NOBUO
IPC: C07D205/04
Abstract: Procedimiento para la producción del ácido azetidin-2-carboxílico ópticamente activo de fórmula general (2): en la fórmula, * indica un átomo de carbono asimétrico, que comprende ciclar un ácido 4-amino-2- halogenobutírico ópticamente activo de fórmula general (1): en la fórmula, X representa un átomo de halógeno y * indica un átomo de carbono asimétrico, en presencia de un óxido de un metal alcalinotérreo, hidróxido de magnesio o una amina orgánica.
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公开(公告)号：DE60008334T2
公开(公告)日：2004-11-25
申请号：DE60008334
申请日：2000-04-14
Applicant: KANEKA CORP
Inventor： KINOSHITA KOICHI , MOROSHIMA TADASHI , YANAGIDA YOSHIFUMI , NAGASHIMA NOBUO , SAKA YASUHIRO , HONDA TATSUYA , FUSE YOSHIHIDE , UEDA YASUYOSHI
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：AU9228201A
公开(公告)日：2002-04-08
申请号：AU9228201
申请日：2001-09-28
Applicant: KANEKA CORP
Inventor： HONDA TATSUYA , NAGASHIMA NOBUO
IPC: C07D307/33 , C07D315/00
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Patent Agency Ranking
公开(公告)号：DE60108355T2
公开(公告)日：2005-06-16
申请号：DE60108355
申请日：2001-02-02
Applicant: KANEKA CORP
Inventor： SAKA YASUHIRO , HONDA TATSUYA , NAGASHIMA NOBUO
IPC: C07D205/04
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公开(公告)号：AT259794T
公开(公告)日：2004-03-15
申请号：AT00915524
申请日：2000-04-14
Applicant: KANEKA CORP
Inventor： KINOSHITA KOICHI , MOROSHIMA TADASHI , YANAGIDA YOSHIFUMI , NAGASHIMA NOBUO , SAKA YASUHIRO , HONDA TATSUYA , FUSE YOSHIHIDE , UEDA YASUYOSHI
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：AU3056901A
公开(公告)日：2001-08-14
申请号：AU3056901
申请日：2001-02-02
Applicant: KANEKA CORP
Inventor： SAKA YASUHIRO , HONDA TATSUYA , NAGASHIMA NOBUO
IPC: C07D205/04
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公开(公告)号：AU3678700A
公开(公告)日：2000-11-02
申请号：AU3678700
申请日：2000-04-14
Applicant: KANEKA CORP
Inventor： KINOSHITA KOICHI , MOROSHIMA TADASHI , YANAGIDA YOSHIFUMI , NAGASHIMA NOBUO , SAKA YASUHIRO , HONDA TATSUYA , FUSE YOSHIHIDE , UEDA YASUYOSHI
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：AT286881T
公开(公告)日：2005-01-15
申请号：AT01902737
申请日：2001-02-02
Applicant: KANEKA CORP
Inventor： SAKA YASUHIRO , HONDA TATSUYA , NAGASHIMA NOBUO
IPC: C07D205/04
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