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公开(公告)号：EP0520815A3
公开(公告)日：1993-03-03
申请号：EP92305905.9
申请日：1992-06-26
发明人： Lilitkarntakul, Suchart, Nippon Chem.Indus.Co.Ltd. , Nabekawa, Shukichi, Nippon Chem.Indus.Co.Ltd. , Takada, Masao, Nippon Chem. Indus. Co. Ltd. , Oguara, Katsuyuki
IPC分类号： C07C65/21 , C07C51/367
CPC分类号： C07C51/367 , C07C65/21
摘要： o-Methoxy benzoic acid is produced by reacting chlorobenzoic acids having at least one chlorine atom at least at the ortho position with lower alcohol in the presence of a copper salt and a lower alkyl as a catalyst under moderate reaction conditions. o-Methoxy benzoic acid is useful as an intermediate for pharmaceutical, agricultural chemicals, and the like.
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公开(公告)号：EP0520815B1
公开(公告)日：1997-04-16
申请号：EP92305905.9
申请日：1992-06-26
发明人： Lilitkarntakul, Suchart, Nippon Chem.Indus.Co.Ltd. , Nabekawa, Shukichi, Nippon Chem.Indus.Co.Ltd. , Takada, Masao, Nippon Chem. Indus. Co. Ltd. , Oguara, Katsuyuki
IPC分类号： C07C65/21 , C07C51/367
CPC分类号： C07C51/367 , C07C65/21
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3.发明公开Method for producing ortho-alkoxybenzoic acid 失效Verfahren zur Herstellung von ortho-Alkoxybenzoesäure。
公开(公告)号：EP0520815A2
公开(公告)日：1992-12-30
申请号：EP92305905.9
申请日：1992-06-26
发明人： Lilitkarntakul, Suchart, Nippon Chem.Indus.Co.Ltd. , Nabekawa, Shukichi, Nippon Chem.Indus.Co.Ltd. , Takada, Masao, Nippon Chem. Indus. Co. Ltd. , Oguara, Katsuyuki
IPC分类号： C07C65/21 , C07C51/367
CPC分类号： C07C51/367 , C07C65/21
摘要： o-Methoxy benzoic acid is produced by reacting chlorobenzoic acids having at least one chlorine atom at least at the ortho position with lower alcohol in the presence of a copper salt and a lower alkyl as a catalyst under moderate reaction conditions. o-Methoxy benzoic acid is useful as an intermediate for pharmaceutical, agricultural chemicals, and the like.
摘要翻译： 在中等反应条件下，在铜盐和低级烷基作为催化剂的存在下，使具有至少一个氯原子的至少一个氯原子的邻氯苯甲酸与低级醇反应生成邻甲氧基苯甲酸。 邻甲氧基苯甲酸可用作药物，农药等的中间体。
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