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1. 发明公开

EP0552912A3 Method for producing 2,6-dihydroxybenzoic acid 失效
标题翻译： 2,6-二羟基苯甲酸的制备方法
公开(公告)号：EP0552912A3
公开(公告)日：1995-02-01
申请号：EP93300316.2
申请日：1993-01-19
申请人： SUMITOMO CHEMICAL COMPANY, LIMITED , SUMIKA FINE CHEMICALS Co., Ltd.
发明人： Nakamatsu, Toshio , Nishida, Yasuhiro , Kometani, Norio
IPC分类号： C07C65/03 , C07C51/43 , C07C51/487 , C07C65/05
CPC分类号： C07C51/487 , C07C65/05
摘要： A method for producing 2,6-dihydroxybenzoic acid from an aqueous solution which contains a mixture of 2,6-dihydroxybenzoic acid and 2,4-dihydroxybenzoic acid, preferably of concentration 5 to 30 wt%, e.g. obtained by carboxylation of resorcin in water and/or an organic solvent, by adjusting the pH value to 4 or more, preferably 4 to 9, and heating the mixture to selectively decompose 2,4-dihydroxybenzoic acid, and separating 2,6-dihydroxybenzoic acid from the decomposition reaction mixture, e.g. by acid-precipitation and filtration. The product is obtained in high purity, e.g. at least 98 wt%, and is useful as a starting material in industrial synthesis.
摘要翻译：从含有2,6-二羟基苯甲酸和2,4-二羟基苯甲酸的混合物的水溶液中制备2,6-二羟基苯甲酸的方法，优选浓度为5〜30重量％。通过将pH值调节至4以上，优选为4〜9，通过在水和/或有机溶剂中羧化的间苯二酚获得，并加热该混合物以选择性分解2,4-二羟基苯甲酸，分离2,6-二羟基苯甲酸酸从分解反应混合物，例如通过酸沉淀和过滤。产物以高纯度获得，例如。至少98重量％，可用作工业合成中的原料。

2. 发明授权

EP0552019B1 Method of producing 1,4-dihydroxy-2-naphthoic acid 失效
标题翻译：一种用于1,4-二羟基-2-萘甲酸的制备方法
公开(公告)号：EP0552019B1
公开(公告)日：1996-06-12
申请号：EP93300190.1
申请日：1993-01-13
申请人： SUMITOMO CHEMICAL COMPANY, LIMITED , SUMIKA FINE CHEMICALS Co., Ltd.
发明人： Nakamatsu, Toshio , Nishida, Yasuhiro , Watanabe, Shinichi , Kometani, Norio
IPC分类号： C07C65/11 , C07C51/15
CPC分类号： C07C51/15 , C07C65/11

3. 发明授权

EP0529517B1 Process for producing 2-methyl-1,3-cyclohexanedione and 2-methylresorcinol 失效
标题翻译： Verfahren zur Herstellung von 2-甲基-1,3-环己基和2-甲基间苯二酚。
公开(公告)号：EP0529517B1
公开(公告)日：1995-11-22
申请号：EP92114239.4
申请日：1992-08-20
申请人： SUMITOMO CHEMICAL COMPANY LIMITED , SUMIKA FINE CHEMICALS Co., Ltd.
发明人： Nakamatsu, Toshio , Nishida, Yasuhiro , Kometani, Norio
IPC分类号： C07C49/403 , C07C45/67 , C07C225/12 , C07C37/07
CPC分类号： C07C211/00 , C07C37/07 , C07C45/673 , C07C2601/14 , C07C49/403 , C07C39/08

4. 发明公开

EP0552019A3 Method of producing 1,4-dihydroxy-2-naphthoic acid 失效
标题翻译：生产1,4-二羟基-2-萘甲酸的方法
公开(公告)号：EP0552019A3
公开(公告)日：1993-11-18
申请号：EP93300190.1
申请日：1993-01-13
申请人： SUMITOMO CHEMICAL COMPANY, LIMITED , SUMIKA FINE CHEMICALS Co., Ltd.
发明人： Nakamatsu, Toshio , Nishida, Yasuhiro , Watanabe, Shinichi , Kometani, Norio
IPC分类号： C07C65/11 , C07C51/15
CPC分类号： C07C51/15 , C07C65/11
摘要： A method of producing 1,4-dihydroxy-2-naphthoic acid comprises: subjecting 1,4-dihydroxynaphthalene to alkali metal salt formation reaction at a temperature of 110°C or more in an organic medium capable of dissolving 1,4-dihydroxynaphthalene, preferably selected from ketones, esters, monoalcohols, polyhydric alcohols and derivatives thereof and aromatic hydrocarbons using an alkali metal alcoholate, preferably of a Cl-4 alcohol; and subjecting the salt formation reaction mixture to carboxylation using carbon dioxide gas under atmospheric or increased pressure and preferably with an excess of CO₂ of 1.5 mols or more per mol of the dihydroxynaphthalene. The product is obtained easily and in a high yield, e.g of 80 to 92% and in high purity, and is useful as an intermediate for dyes, pigments and photographic agents.

5. 发明公开

EP0552912A2 Method for producing 2,6-dihydroxybenzoic acid 失效
标题翻译： Verfahren zur Herstellung von 2,6-Dihydroxybenzosäure。
公开(公告)号：EP0552912A2
公开(公告)日：1993-07-28
申请号：EP93300316.2
申请日：1993-01-19
申请人： SUMITOMO CHEMICAL COMPANY, LIMITED , SUMIKA FINE CHEMICALS Co., Ltd.
发明人： Nakamatsu, Toshio , Nishida, Yasuhiro , Kometani, Norio
IPC分类号： C07C65/03 , C07C51/43 , C07C51/487 , C07C65/05
CPC分类号： C07C51/487 , C07C65/05
摘要： A method for producing 2,6-dihydroxybenzoic acid from an aqueous solution which contains a mixture of 2,6-dihydroxybenzoic acid and 2,4-dihydroxybenzoic acid, preferably of concentration 5 to 30 wt%, e.g. obtained by carboxylation of resorcin in water and/or an organic solvent, by adjusting the pH value to 4 or more, preferably 4 to 9, and heating the mixture to selectively decompose 2,4-dihydroxybenzoic acid, and separating 2,6-dihydroxybenzoic acid from the decomposition reaction mixture, e.g. by acid-precipitation and filtration.
The product is obtained in high purity, e.g. at least 98 wt%, and is useful as a starting material in industrial synthesis.
摘要翻译：从含有2,6-二羟基苯甲酸和2,4-二羟基苯甲酸的混合物的水溶液中制备2,6-二羟基苯甲酸的方法，优选浓度为5〜30重量％。通过将pH值调节至4以上，优选为4〜9，通过在水和/或有机溶剂中羧化的间苯二酚获得，并加热该混合物以选择性分解2,4-二羟基苯甲酸，分离2,6-二羟基苯甲酸酸从分解反应混合物，例如通过酸沉淀和过滤。产物以高纯度获得，例如。至少98重量％，可用作工业合成中的原料。

6. 发明公开

EP0552019A2 Method of producing 1,4-dihydroxy-2-naphthoic acid 失效
标题翻译： Verfahren zur Herstellung von 1,4-Dihydroxy-2-Naphthalin-Carbonsaure。
公开(公告)号：EP0552019A2
公开(公告)日：1993-07-21
申请号：EP93300190.1
申请日：1993-01-13
申请人： SUMITOMO CHEMICAL COMPANY, LIMITED , SUMIKA FINE CHEMICALS Co., Ltd.
发明人： Nakamatsu, Toshio , Nishida, Yasuhiro , Watanabe, Shinichi , Kometani, Norio
IPC分类号： C07C65/11 , C07C51/15
CPC分类号： C07C51/15 , C07C65/11
摘要： A method of producing 1,4-dihydroxy-2-naphthoic acid comprises: subjecting 1,4-dihydroxynaphthalene to alkali metal salt formation reaction at a temperature of 110°C or more in an organic medium capable of dissolving 1,4-dihydroxynaphthalene, preferably selected from ketones, esters, monoalcohols, polyhydric alcohols and derivatives thereof and aromatic hydrocarbons using an alkali metal alcoholate, preferably of a Cl-4 alcohol; and subjecting the salt formation reaction mixture to carboxylation using carbon dioxide gas under atmospheric or increased pressure and preferably with an excess of CO₂ of 1.5 mols or more per mol of the dihydroxynaphthalene.
The product is obtained easily and in a high yield, e.g of 80 to 92% and in high purity, and is useful as an intermediate for dyes, pigments and photographic agents.
摘要翻译： 1,4-二羟基-2-萘甲酸的制造方法包括：在能够溶解1,4-二羟基萘的有机介质中，使1,4-二羟基萘在110℃以上的温度下进行碱金属盐形成反应，优选选自酮，酯，一元醇，多元醇及其衍生物和使用碱金属醇盐，优选Cl-4醇的芳烃; 并且在大气压或增压下使用二氧化碳气体使盐形成反应混合物进行羧化，优选每摩尔二羟基萘过量的CO 2为1.5摩尔或更多。该产品容易且以高产率例如80-92％和高纯度获得，并且可用作染料，颜料和照相剂的中间体。

7. 发明公开

EP0529517A3 Process for producing 2-methyl-1,3-cyclohexanedione and 2-methylresorcinol 失效
标题翻译： 2-甲基-1,3-环己基和2-甲基吡咯烷酮的制备方法
公开(公告)号：EP0529517A3
公开(公告)日：1993-05-12
申请号：EP92114239.4
申请日：1992-08-20
申请人： SUMITOMO CHEMICAL COMPANY, LIMITED , SUMIKA FINE CHEMICALS Co., Ltd.
发明人： Nakamatsu, Toshio , Nishida, Yasuhiro , Kometani, Norio
IPC分类号： C07C49/403 , C07C45/67 , C07C225/12 , C07C37/07
CPC分类号： C07C211/00 , C07C37/07 , C07C45/673 , C07C2601/14 , C07C49/403 , C07C39/08
摘要： A process for producing 2-methyl-1,3-cyclohexanedione which comprises subjecting 1,3-cyclohexanedione, formaldehyde and a dialkylamine to Mannich reaction to obtain a 2-dialkylaminomethyl-1,3-cyclohexanedione, and subjecting the 2-dialkylaminomethyl to hydrogenolysis, and a process for producing 2-methylresorcinol which comprises aromatizing 2-methyl-1,3-cyclohexanedione obtained. According to these processes, it is possible to produce high-purity 2-methylresorcinol and 2-methyl-1,3-cyclohexanedione commercially easily and advantageously.
摘要翻译：一种2-甲基-1,3-环己二酮的制备方法，其包括使1,3-环己二酮，甲醛和二烷基胺进行曼尼希反应，得到2-二烷基氨基甲基-1,3-环己二酮，并使2-二烷基氨基甲基进行氢解，以及制备2-甲基间苯二酚的方法，其包括使得到的2-甲基-1,3-环己二酮芳构化。根据这些方法，可以容易且有利地生产高纯度2-甲基间苯二酚和2-甲基-1,3-环己二酮。

8. 发明公开

EP0529517A2 Process for producing 2-methyl-1,3-cyclohexanedione and 2-methylresorcinol 失效
标题翻译：一种用于2-甲基-1,3-环己二酮，和2-甲基间苯二酚的制备方法。
公开(公告)号：EP0529517A2
公开(公告)日：1993-03-03
申请号：EP92114239.4
申请日：1992-08-20
申请人： SUMITOMO CHEMICAL COMPANY, LIMITED , SUMIKA FINE CHEMICALS Co., Ltd.
发明人： Nakamatsu, Toshio , Nishida, Yasuhiro , Kometani, Norio
IPC分类号： C07C49/403 , C07C45/67 , C07C225/12 , C07C37/07
CPC分类号： C07C211/00 , C07C37/07 , C07C45/673 , C07C2601/14 , C07C49/403 , C07C39/08
摘要： A process for producing 2-methyl-1,3-cyclohexanedione which comprises subjecting 1,3-cyclohexanedione, formaldehyde and a dialkylamine to Mannich reaction to obtain a 2-dialkylaminomethyl-1,3-cyclohexanedione, and subjecting the 2-dialkylaminomethyl to hydrogenolysis, and a process for producing 2-methylresorcinol which comprises aromatizing 2-methyl-1,3-cyclohexanedione obtained. According to these processes, it is possible to produce high-purity 2-methylresorcinol and 2-methyl-1,3-cyclohexanedione commercially easily and advantageously.

9. 发明授权

EP0713848B1 Process for producing optically active carbinols 失效
标题翻译：一种制备光学活性的原醇处理
公开(公告)号：EP0713848B1
公开(公告)日：1999-09-08
申请号：EP95116951.5
申请日：1995-10-27
申请人： SUMIKA FINE CHEMICALS Company, Limited , SUMITOMO CHEMICAL COMPANY LIMITED
发明人： Saito, Kenji , Kometani, Norio , Fujiwara, Azusa , Yoneyoshi, Yukio , Suzukamo, Gohfu
IPC分类号： C07C29/143 , C07C33/46 , C07C33/24 , C07C33/22 , C07D317/54
CPC分类号： C07D317/54 , C07B2200/07 , C07C29/143 , C07C33/46 , C07C33/20

10. 发明公开

EP0353031A3 Anthrapyridone compounds and their production process 失效
标题翻译：安非他酮化合物及其生产过程
公开(公告)号：EP0353031A3
公开(公告)日：1990-07-04
申请号：EP89307562.2
申请日：1989-07-25
申请人： SUMITOMO CHEMICAL COMPANY, LIMITED , SUMIKA FINE CHEMICAL COMPANY, LTD.
发明人： Nakamatsu, Toshio , Terao, Masanobu , Muneishi, Shigetoshi , Kometani, Norio , Hayashi, Yoshiaki
IPC分类号： C09B5/14 , C08K5/16
CPC分类号： C08K5/0041 , C08K5/3437 , C09B5/14
摘要： An anthrapyridone compound of the following formula (I), which is useful for coloring synthetic resins:
wherein Q is -NH₂, -NHCH₃ or -NHCOZ where Z is phenyl or alkyl which may be substituted; X₁, X₂ and X₃ are each hydrogen, halogen, alkyl, alkoxy, hydroxy, -NHCOR¹, -CONR²R³, -COR⁴, -COOR⁵, -SO₂R⁶ or -SO₂NR⁷R⁸ where R¹ and R⁴ are each C₁₋₄ alkyl R² and R³ are each hydrogen or C₁₋₄ alkyl, R⁵ and R⁶ are each alkyl or hydroxyalkyl and R⁷ and R⁸ are each hydrogen or C₁₋₄ alkyl, with proviso that when Q is -NHCH₃, X₁, X₂ and X₃ are each hydrogen, halogen, alkoxy, hydroxy, -NHCOR¹, -CONR²R³, -COR⁴, -COOR⁵, -SO₂R⁶ or -SO₂NR⁷R⁸. Process for producing the anthrapyridone compound is also provided.

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