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    • 2. 发明专利
    • Method for producing polyhydric alcohol ester of mercaptocarboxylic acid
    • 生产聚碳酸酯酸的多元醇的方法
    • JP2011126822A
    • 2011-06-30
    • JP2009287440
    • 2009-12-18
    • Showa Denko Kk昭和電工株式会社
    • AOKI HIDEMASASHIBUYA AKIRA
    • C07C319/12B01J31/02C07B61/00C07C321/04
    • Y02P20/52
    • PROBLEM TO BE SOLVED: To provide a method for producing a polyhydric alcohol ester mixture of a mercaptocarboxylic acid, containing a partial ester and a complete ester of the polyhydric alcohol and the mercaptocarboxylic acid by reacting the mercaptocarboxylic acid or a mercaptocarboxylic acid ester with the polyhydric alcohol in good yield while reducing the formation of byproducts.
      SOLUTION: The method for producing the polyhydric alcohol ester mixture of the mercaptocarboxylic acid includes setting the temperature of a heat transfer surface so that the temperature difference between the temperature (T
      2 ) of the heat transfer surface of a reactor and the initial temperature (T
      3 ) of reflux of the reaction liquid may be within the range of 0-35°C.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 待解决的问题:提供通过使巯基羧酸或巯基羧酸酯反应制备含有多酯和巯基羧酸的部分酯和完全酯的巯基羧酸的多元醇酯混合物的方法 与多元醇的产率良好,同时减少副产物的形成。 解决方案:制备巯基羧酸的多元醇酯混合物的方法包括设定传热表面的温度,使得传热温度(T 2 )之间的温度差 反应器的表面和反应液的回流的初始温度(T 3 )可以在0-35℃的范围内。 版权所有(C)2011,JPO&INPIT
    • 3. 发明专利
    • METHOD FOR PRODUCING β-MERCAPTO CARBOXYLIC ACIDS
    • 生产β-MERCAPTO羧酸的方法
    • JP2009242384A
    • 2009-10-22
    • JP2009053038
    • 2009-03-06
    • Showa Denko Kk昭和電工株式会社
    • AOKI HIDEMASAKUROIWA AKIOSHIBUYA AKIRA
    • C07C319/04C07C323/52
    • C07C319/04C07C323/56C07C323/52
    • PROBLEM TO BE SOLVED: To provide a method for industrially producing β-mercapto carboxylic acids useful as raw materials for synthesizing medicines and agrochemicals or additives for polymer compounds, from easily available α,β-unsaturated carboxylic acids in high yields and productivity. SOLUTION: In the production method for producing β-mercapto carboxylic acids by reacting α,β-unsaturated carboxylic acids with hydrogen sulfides, a solvent having an amide group expressed by formula (1) is used and the reaction is preferably carried out at a pH range of 6.0-8.5, in particular. In formula (1), R 1 is a hydrogen atom, 1-5C alkoxy group, 1-5C alkyl group, amino group or 1-5C alkylamino group; and R 2 and R 3 are each independently a hydrogen atom or a 1-5C alkyl group. Wherein R 2 and R 3 may jointly form a ring structure through an alkylene group, and R 1 and R 2 may form a ring structure through an alkylene group. COPYRIGHT: (C)2010,JPO&INPIT
    • 待解决的问题:提供一种工业上生产用作合成药物和农用化学品的原料的β-巯基羧酸的方法或用于高分子化合物的添加剂,从容易获得的α,β-不饱和羧酸以高产率和生产率 。 解决方案:在α,β-不饱和羧酸与硫化氢反应生产β-巯基羧酸的制备方法中,使用具有式(1)表示的酰胺基的溶剂,优选进行反应 特别是在6.0-8.5的pH范围内。 在式(1)中,R 1是氢原子,1-5C烷氧基,1-5C烷基,氨基或1-5C烷基氨基; R 2和R 3各自独立地为氢原子或1-5C烷基。 其中R 2 和R 3 可以通过亚烷基共同形成环结构,并且R 1 和R 2 可以通过亚烷基形成环结构。 版权所有(C)2010,JPO&INPIT
    • 4. 发明专利
    • Permanent wave processing agent
    • 永久波加工代理
    • JP2006199692A
    • 2006-08-03
    • JP2005366320
    • 2005-12-20
    • Showa Denko Kk昭和電工株式会社
    • SHIBUYA AKIRAAOKI HIDEMASASAITO MAKOTO
    • A61K8/49A61Q5/04
    • PROBLEM TO BE SOLVED: To provide a permanent wave processing agent which enables the permanent wave processing of hair even at neutrality to weak acidity.
      SOLUTION: The permanent wave processing agent comprises at least one compound represented by the formula (1) (wherein X is any one structure of -O-, -S-, -NH-, -NCH
      3 -, and -NR
      1 -; R
      1 is a 1-6C alkyl group; Y is an oxygen or sulfur atom; and Z is a divalent organic residue having at least one mercapto group). Further, the permanent wave processing agent has a compound represented by formula (2) (wherein R is a divalent organic residue which may have a mercapto group and R
      2 is a hydrogen atom or a 1-6C alkyl group) as the compound represented by formula (1).
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种永久性波浪处理剂,其能够即使在中性至弱酸性的情况下也能永久性地进行毛发加工。 解决方案:永久波加工剂包含至少一种由式(1)表示的化合物(其中X是-O - , - S - , - NH - , - NHCH 3 - SB> - 和-NR 2 是氢原子或1-6C烷基 基团)作为由式(1)表示的化合物。 版权所有(C)2006,JPO&NCIPI
    • 5. 发明专利
    • METHOD FOR PRODUCING β-MERCAPTOCARBOXYLIC ACID
    • 生产β-巯基羧酸的方法
    • JP2009091356A
    • 2009-04-30
    • JP2008240660
    • 2008-09-19
    • Showa Denko Kk昭和電工株式会社
    • AOKI HIDEMASASHIBUYA AKIRA
    • C07C319/04C07B61/00C07C323/22C07C323/52C07C323/56C07C323/60
    • C07C319/04C07B45/06C07C2601/10C07C2601/16C07C323/52C07C323/56
    • PROBLEM TO BE SOLVED: To provide β-mercaptocarboxylic acids which are useful as additives in synthetic raw materials for pharmaceutical or agricultural agents and in polymer compounds and can be industrially produced efficiently by using as a raw material an easily available α,β-unsaturated carboxylic acid (such as crotonic acid) in a high yield.
      SOLUTION: The invention relates to a method for efficiently producing β-mercaptocarboxylic acids using a solid acid catalyst such as zeolite, which product corresponds to respective starting raw materials of α,β-unsaturated carboxylic acids (an α,β-unsaturated carboxylic acid, an α,β-unsaturated carboxylic acid ester, an α,β-unsaturated amide, an α,β-unsaturated aldehyde and an α,β-unsaturated ketone) and hydrogen sulfide etc. (hydrogen sulfide, sulfide salt and hydrosulfide salt), wherein a solvent compatible with water is used as the reaction solvent.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供可用作药物或农药的合成原料和聚合物化合物中的添加剂的β-巯基羧酸,并且可以通过以易于获得的α,β作为原料有效地工业生产 - 不饱和羧酸(如巴豆酸)。 解决方案:本发明涉及使用沸石等固体酸催化剂高效生产β-巯基羧酸的方法,该产物对应于α,β-不饱和羧酸(α,β-不饱和羧酸)的各自起始原料 羧酸,α,β-不饱和羧酸酯,α,β-不饱和酰胺,α,β-不饱和醛和α,β-不饱和酮)和硫化氢等(硫化氢,硫化物盐和氢硫化物 盐),其中使用与水相容的溶剂作为反应溶剂。 版权所有(C)2009,JPO&INPIT
    • 6. 发明专利
    • Method for preparing mercaptoheterocycle compound
    • 制备辛酰氧基化合物的方法
    • JP2008007501A
    • 2008-01-17
    • JP2007137890
    • 2007-05-24
    • Showa Denko Kk昭和電工株式会社
    • MANTANI SHINICHIAOKI HIDEMASA
    • C07D307/33C07D307/20C07D333/34
    • PROBLEM TO BE SOLVED: To provide a method for commercially manufacturing a mercaptoheterocylcle compound useful as a synthetic raw material or an intermediate for a medicine and an agrochemical or a permanent waving agent with a high yield and high productivity using a readily available raw material.
      SOLUTION: The method for preparing a mercaptoheterocycle compound represented by formula (1) (wherein X represents a structure of -O-, -S-, -NH-, or -NR
      1 -; R
      1 represents a 1-6C alkyl group, alkoxy group, or alkoxyalkyl group; Y represents an oxygen atom, a sulfur atom, or -NR
      2 ; R
      2 represents a hydrogen atom or a 1-6C alkyl group; Z
      1 represents a divalent organic residual group comprising at least one mercapto group) comprises steps of causing a metal sulfide or a metal hydrosulfide and a chemical compound represented by formula (2) (wherein X and Y each have the same meaning as defined in formula (1) and Z
      2 represents a divalent organic residual group comprising at least one halogen group) to react with each other in the presence of a solvent under a condition of pH 7.0 to 11.0.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 待解决的问题:提供一种商业上制造用作合成原料的巯基月桂烯化合物或药物和农药或永久性挥发剂的中间体的方法,其具有高产率和高生产率,使用容易获得的原料 材料。 解决方案:制备由式(1)表示的巯基杂环化合物的方法(其中X表示-O-,-S-,-NH-或-NR 1的结构)。 R 1 表示1-6C烷基,烷氧基或烷氧基烷基; Y表示氧原子,硫原子或-NR 2; R 2 表示氢原子或1-6C烷基; Z 1表示包含至少一个巯基的二价有机残基)包括使金属硫化物或金属氢硫化物 和由式(2)表示的化合物(其中X和Y各自具有与式(1)中定义的相同的含义,Z 2 表示包含至少一个卤素基团的二价有机残基) 在溶剂存在下,在pH 7.0〜11.0的条件下进行反应。 版权所有(C)2008,JPO&INPIT