会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 2. 发明授权
    • Method and apparatus for the production of alkylene carbonate
    • 用于生产碳酸亚烷基酯的方法和装置
    • US5440004A
    • 1995-08-08
    • US238743
    • 1994-05-05
    • Masaharu DoyaYutaka KanbaraKen-ichi KimizukaTakashi Okawa
    • Masaharu DoyaYutaka KanbaraKen-ichi KimizukaTakashi Okawa
    • C07D317/36C08G64/00
    • C07D317/36
    • A method for the production of an alkylene carbonate at high yields and high selectivity by a reaction between an alkylene glycol and urea, the method being capable to preventing the deposition of a white crystal in the reflux condenser used in a conventional method for the production of alkylene carbonate and the subsequent decrease in the yield, wherein:a gas washing member and a cooling member are disposed above a reaction portion where alkylene glycol and urea are allowed to react,ammonia-containing steam exhausted from the reaction portion is downwardly introduced into the cooling member through the gas washing member,condensate and ammonia gas exhausted from a bottom of the cooling member are gas-liquid separated,the condensate is introduced into the gas washing member, andthe ammonia gas is removed from the reaction system.
    • 一种通过亚烷基二醇和尿素之间的反应以高产率和高选择性生产碳酸亚烷基酯的方法,该方法能够防止白色结晶沉积在用于生产 碳酸亚烷基酯和随后的产率降低,其中:气体洗涤部件和冷却部件设置在使亚烷基二醇和尿素反应的反应部分上方,从反应部分排出的含氨蒸气被向下引入 通过气体洗涤部件的冷却部件,从冷却部件的底部排出的冷凝物和氨气体被气液分离,将冷凝物引入到气体洗涤部件中,从反应体系中除去氨气。
    • 5. 发明授权
    • Process for recimization of an optically active alpha-amino acid amides
and process for producing optically active alpha-amino acids
    • 用于重新获得光学活性α-氨基酸酰胺的方法和用于制备光学活性α-氨基酸的方法
    • US4918196A
    • 1990-04-17
    • US831915
    • 1986-02-21
    • Masaharu DoyaToshio KondoHideo IgarashiTakako Uchiyama
    • Masaharu DoyaToshio KondoHideo IgarashiTakako Uchiyama
    • C07D233/72C12P13/04C12P41/00
    • C12P41/006C12P13/04
    • A process for optically isomerizing an optically active alpha-amino acid amide comprising heating a D-alpha-amino acid amide or an L-alpha-amino acid amide in the presence of a strongly basic compound; and a process for producing an L-alpha-amino acid, which comprises(1) subjecting a D,L-alpha-amino acid amide or a mixture of a major amount of a D-alpha-amino acid amide and a minor amount of an L-alpha-amino acid amide to the action of a microorganism having the ability to hydrolyze the L-alpha-amino acid to obtain a hydrolyzate containing the L-alpha-amino acid and D-alpha-amino acid,(2) separating the L-alpha-amino acid from the hydrolyzate and recovering the remaining D-alpha-amino acid amide.(3) heating all or part of the recovered D-alpha-amino acid amide in the presence of a strongly basic substance to obtain a D,L-alpha-amino acid amide or a mixture of a major amount of the D-alpha-amino acid amide and a minor amount of the L-alpha-amino acid amide, and(4) recycling the D,L-alpha-amino acid amide or the mixture to step (1) as part or all of the starting material.
    • 包括光学异构化光学活性α-氨基酸酰胺的方法,包括在强碱性化合物存在下加热D-α-氨基酸酰胺或L-α-氨基酸酰胺; 以及制备L-α-氨基酸的方法,其包括(1)使D,L-α-氨基酸酰胺或主要量的D-α-氨基酸酰胺和少量的 L-α-氨基酸酰胺,具有水解L-α-氨基酸的能力的微生物的作用,得到含有L-α-氨基酸和D-α-氨基酸的水解产物,(2)分离 来自水解产物的L-α-氨基酸并回收剩余的D-α-氨基酸酰胺。 (3)在强碱性物质存在下加热全部或部分回收的D-α-氨基酸酰胺,得到D,L-α-氨基酸酰胺或大量D-α-氨基酸酰胺的混合物, 氨基酸酰胺和少量的L-α-氨基酸酰胺,和(4)将D,L-α-氨基酸酰胺或混合物循环到步骤(1)中作为起始原料的一部分或全部。
    • 6. 发明授权
    • Process for production of iodine compounds and process for production of high-purity 5-iodo-2-methylbenzoic acid
    • 生产碘化合物的方法和生产高纯度5-碘-2-甲基苯甲酸的方法
    • US07750182B2
    • 2010-07-06
    • US10545005
    • 2004-02-10
    • Toshio HidakaTakafumi YoshimuraYoshifumi SatoNorio FushimiMasaharu Doya
    • Toshio HidakaTakafumi YoshimuraYoshifumi SatoNorio FushimiMasaharu Doya
    • C07C17/00C07C63/04
    • C07C253/30C07B39/00C07C17/12C07C17/156C07C17/158C07C51/363C07C51/43C07C25/02C07C25/13C07C25/18C07C25/125C07C63/70C07C255/50
    • Provided is a production method for an iodine compound in which iodine is reacted with a substrate in the presence of a porous material having a pore diameter of 500 nm or less or in the presence of the above porous material and an oxidizing agent and a production process for high purity 5-iodo-2-methylbenzoic acid comprising an iodination reaction step carried out by the above-mentioned, a crystal precipitation and separation step in which a product is precipitated by adding water or cooling and then separated and a purification step in which crystal separated is recrystallized using an organic solvent. According to the production method for an iodine compound described above, iodine can be introduced into various substrates at a high selectivity. Since expensive metals and specific reagents do not have to be used, it can readily be carried out in an industrially scale, and the product having a high purity can be obtained. Further, the process comprising the iodination reaction, separation and purification steps described above makes it possible to readily obtain at a high yield, 5-iodo-2-methylbenzoic acid having a high purity which is useful in uses for functional chemical products such as medicines. The process of the present invention comprising iodination reaction, separation and purification steps is characterized by that it is simple in terms of a procedure and that the purification load is smaller, and it is very advantageous in industrially carrying out.
    • 提供一种碘化合物的制造方法,其中碘在孔径为500nm以下的多孔质材料的存在下,或者在上述多孔质材料和氧化剂的存在下,与基材反应,制造方法 包括通过上述进行的碘化反应步骤的高纯度5-碘-2-甲基苯甲酸,其中通过加入水或冷却然后分离产物而沉淀产物的晶体沉淀和分离步骤和纯化步骤,其中 使用有机溶剂重结晶晶体分离。 根据上述碘化合物的制造方法,能够以高选择性将碘引入各种基材中。 由于不需要使用昂贵的金属和特定试剂,因此可以容易地以工业规模进行,可以获得高纯度的产物。 此外,包括上述碘化反应,分离和纯化步骤的方法使得可以容易地以高产率获得具有高纯度的5-碘-2-甲基苯甲酸,其可用于诸如药物的功能性化学产品的用途 。 包括碘化反应,分离和纯化步骤的本发明方法的特征在于它在程序方面简单,净化负荷较小,在工业上非常有利。
    • 7. 发明申请
    • Process for production of iodine compounds and process for production of high-purity 5-iodo-2-methylbenzoic acid
    • 生产碘化合物的方法和生产高纯度5-碘-2-甲基苯甲酸的方法
    • US20060161028A1
    • 2006-07-20
    • US10545005
    • 2004-02-10
    • Toshio HidakaTakafumi YoshimuraYoshifumi SatoNorio FushimiMasaharu Doya
    • Toshio HidakaTakafumi YoshimuraYoshifumi SatoNorio FushimiMasaharu Doya
    • C07C17/00
    • C07C253/30C07B39/00C07C17/12C07C17/156C07C17/158C07C51/363C07C51/43C07C25/02C07C25/13C07C25/18C07C25/125C07C63/70C07C255/50
    • Provided is a production method for an iodine compound in which iodine is reacted with a substrate in the presence of a porous material having a pore diameter of 500 nm or less or in the presence of the above porous material and an oxidizing agent and a production process for high purity 5-iodo-2-methylbenzoic acid comprising an iodination reaction step carried out by the above-mentioned, a crystal precipitation and separation step in which a product is precipitated by adding water or cooling and then separated and a purification step in which crystal separated is recrystallized using an organic solvent. According to the production method for an iodine compound described above, iodine can be introduced into various substrates at a high selectivity. Since expensive metals and specific reagents do not have to be used, it can readily be carried out in an industrially scale, and the product having a high purity can be obtained. Further, the process comprising the iodination reaction, separation and purification steps described above makes it possible to readily obtain at a high yield, 5-iodo-2-methylbenzoic acid having a high purity which is useful in uses for functional chemical products such as medicines. The process of the present invention comprising iodination reaction, separation and purification steps is characterized by that it is simple in terms of a procedure and that the purification load is smaller, and it is very advantageous in industrially carrying out.
    • 提供一种碘化合物的制造方法,其中碘在孔径为500nm以下的多孔质材料的存在下,或者在上述多孔质材料和氧化剂的存在下,与基材反应,制造方法 包括通过上述进行的碘化反应步骤的高纯度5-碘-2-甲基苯甲酸,其中通过加入水或冷却然后分离产物而沉淀产物的晶体沉淀和分离步骤和纯化步骤,其中 使用有机溶剂重结晶晶体分离。 根据上述碘化合物的制造方法,能够以高选择性将碘引入各种基材中。 由于不需要使用昂贵的金属和特定试剂,因此可以容易地以工业规模进行,可以获得高纯度的产物。 此外,包括上述碘化反应,分离和纯化步骤的方法使得可以容易地以高产率获得具有高纯度的5-碘-2-甲基苯甲酸,其可用于诸如药物的功能性化学产品的用途 。 包括碘化反应,分离和纯化步骤的本发明方法的特征在于它在程序方面简单,净化负荷较小,在工业上非常有利。