Calcium 3-methyl-2-oxobutanoate | 51828-94-5

• 物质功能分类: 有机原料 - 有机金属类化合物
• 分子结构分类: 有机化合物 - 有机酸及其衍生物 - 酮酸及其衍生物
• 英文名称: Calcium 3-methyl-2-oxobutanoate
• 英文别名: calcium;3-methyl-2-oxobutanoate
• CAS: 51828-94-5
• 化学式: C10H14CaO6
• 分子量: 270.29
• InChiKey: IMZGMVJQWNJKCI-UHFFFAOYSA-L

物化性质

• 熔点：
  >330°C
• 溶解度：
  DMSO（少许）、水（少许）

计算性质

• 辛醇/水分配系数(LogP)：
  -2.46
• 重原子数：
  17
• 可旋转键数：
  2
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.6
• 拓扑面积：
  114
• 氢给体数：
  0
• 氢受体数：
  6

安全信息

• 海关编码：
  2918300090

制备方法与用途

概述

酮缬氨酸钙是复方α-酮酸片（开同）的主要成分之一。α-酮酸及其衍生物在食品、日化和医药等领域展现出日益广泛的应用前景。

制备

将170.21克（1摩尔）的5-异丙基-4,4’-二甲基二氢呋喃-2,3-二酮溶解于1500毫升甲醇中，充分搅拌至完全溶解。控温在0℃至55℃之间，加入74.09克氢氧化钙溶于740.9毫升丙三醇的溶液中，持续搅拌反应8小时后降温至0℃结晶2小时，过滤得酮缬氨酸钙粗品140克，摩尔收率为90%。再将140克酮缬氨酸钙粗品加入20%甲醇水溶液中，升温至55℃溶解，降温至0℃结晶2小时后过滤，最终得到酮缬氨酸钙粗品123克，摩尔收率为87.8%，HPLC纯度为99.9%。

用途

酮缬氨酸钙主要用于电镀及其他电子行业。

文献信息

• [EN] BISPIPERIDINYL DERIVATIVES AS LIVER X RECEPTOR BETA AGONISTS, COMPOSITIONS, AND THEIR USE<br/>[FR] DÉRIVÉS DE BISPIPÉRIDINYLE UTILISÉS COMME AGONISTES DES RÉCEPTEURS BÊTA X DU FOIE, COMPOSITIONS ASSOCIÉES ET LEUR UTILISATION
  申请人：MERCK SHARP & DOHME

  公开号：WO2017083219A1

  公开（公告）日：2017-05-18

  In its many embodiments, the present invention provides certain substituted bispiperidinyl compounds of the Formula (I): and pharmaceutically acceptable salts thereof, wherein R1, R2, R3, L, R4, Q and R5 are as defined herein. The novel compounds of the invention, and pharmaceutically acceptable compositions comprising a compound thereof, are useful as Liver X-β receptor (LXRβ) agonists, and may be useful for treating or preventing pathologies related thereto. Such pathologies include, but are not limited to, inflammatory diseases and diseases characterized by defects in cholesterol and lipid metabolism, such as Alzheimer's disease.

  在其多种实施方式中，本发明提供了以下式（I）的某些取代双哌啶基化合物及其药学上可接受的盐，其中R1、R2、R3、L、R4、Q和R5如本文所定义。本发明的新化合物及包括其化合物的药学上可接受的组合物可用作肝X-β受体（LXRβ）激动剂，并且可能用于治疗或预防与之相关的病理。这些病理包括但不限于炎症性疾病和以胆固醇和脂质代谢缺陷为特征的疾病，如阿尔茨海默病。
• METHOD FOR PRODUCING METHACRYLIC ACID ESTER
  申请人：Mitsubishi Rayon Co., Ltd.

  公开号：US20150184207A1

  公开（公告）日：2015-07-02

  Provided is a method for producing a methacrylic acid ester using a biocatalyst, said method comprising a step for treating methacrylyl-CoA with an alcohol or phenol in the presence of an alcohol acyltransferase to synthesize the methacrylic acid ester. According to this production method, a methacrylic acid ester can be efficiently produced while largely reducing energy, resource and environmental load, compared with the conventional chemical production processes.

  提供了一种使用生物催化剂生产甲基丙烯酸酯的方法，该方法包括在醇酰转移酶的存在下，将甲基丙烯酰辅酶A与醇或酚处理以合成甲基丙烯酸酯的步骤。根据这种生产方法，与传统的化学生产工艺相比，可以在很大程度上减少能源、资源和环境负荷的情况下高效地生产甲基丙烯酸酯。
• METHOD FOR PRODUCING METHACRYLIC ACID AND/OR ESTER THEREOF
  申请人：MITSUBISHI RAYON CO., LTD

  公开号：US20150191756A1

  公开（公告）日：2015-07-09

  To provide a method for directly and efficiently producing methacrylic acid in a single step from renewable raw materials and/or biomass arising from the utilization of the renewable raw materials. Further provided is a method for producing methacrylic acid using microbes having the ability to produce methacrylic acid, from renewable raw materials and/or biomass arising from the utilization of the renewable raw materials, as a carbon source and/or energy source. The method for producing methacrylic acid enables methacrylic acid to be safely and easily produced from biomass, without using petroleum-derived raw materials, by utilizing microbes having the ability to produce methacrylic acid.

  提供一种从可再生原材料和/或利用可再生原材料产生的生物质中直接高效生产甲基丙烯酸的方法。还提供了一种使用具有产生甲基丙烯酸能力的微生物，从可再生原材料和/或利用可再生原材料产生的生物质作为碳源和/或能源生产甲基丙烯酸的方法。该生产甲基丙烯酸的方法利用具有产生甲基丙烯酸能力的微生物，使得甲基丙烯酸能够从生物质中安全、简便地生产，而无需使用石油衍生原材料。
• BIO-ELECTRODE COMPOSITION, BIO-ELECTRODE, METHOD FOR MANUFACTURING BIO-ELECTRODE, POLYMER COMPOUND, AND COMPOSITE
  申请人：Shin-Etsu Chemical Co., Ltd.

  公开号：EP3984456A1

  公开（公告）日：2022-04-20

  A bio-electrode composition contains (A) a composite of an ionic polymer material and particles. The component (A) contains the particles bonding to the polymer containing a repeating unit having a structure selected from the group consisting of salts of ammonium, lithium, sodium, potassium, and silver formed with any of fluorosulfonic acid, fluorosulfonimide, and N-carbonyl-fluorosulfonamide. Thus, the present invention provides: a bio-electrode composition capable of forming a living body contact layer for a bio-electrode which is excellent in electric conductivity and biocompatibility, light-weight, and manufacturable at low cost, and which prevents significant reduction in the electric conductivity even when wetted with water or dried; a bio-electrode including a living body contact layer formed of the bio-electrode composition; and a method for manufacturing the bio-electrode.

  一种生物电极组合物包含（A）离子聚合物材料和颗粒的复合材料。组分（A）包含与聚合物粘合的颗粒，聚合物含有重复单元，该重复单元的结构选自由铵盐、锂盐、钠盐、钾盐和银盐组成的组，这些盐与氟磺酸、氟磺酰亚胺和 N-羰基-氟磺酰胺中的任意一种形成。因此，本发明提供了：一种能够为生物电极形成活体接触层的生物电极组合物，其导电性和生物相容性极佳，重量轻，可低成本制造，即使被水浸湿或干燥，也不会显著降低导电性；一种生物电极，包括由该生物电极组合物形成的活体接触层；以及一种制造该生物电极的方法。
• BIO-ELECTRODE COMPOSITION, BIO-ELECTRODE, METHOD FOR MANUFACTURING BIO-ELECTRODE, AND SILICON MATERIAL PARTICLE
  申请人：Shin-Etsu Chemical Co., Ltd.

  公开号：EP3968343A2

  公开（公告）日：2022-03-16

  A bio-electrode composition contains particles having surfaces with an N-carbonyl sulfonamide salt shown by the following general formula (1). R1 represents a linear, branched, or cyclic alkylene group having 1 to 20 carbon atoms and optionally having an aromatic group, ether group, or ester group, or an arylene group having 6 to 10 carbon atoms. Rf represents a linear, branched, or cyclic alkyl group having 1 to 4 carbon atoms, or an aryl group having 6 to 10 carbon atoms, and optionally has a fluorine atom. M+ represents an ion selected from the group consisting of lithium, sodium, potassium, and silver ions. This invention provides a bio-electrode composition capable of forming a living body contact layer for a bio-electrode which is excellent in electric conductivity and biocompatibility, light-weight, and manufacturable at low cost, and prevents significant reduction in electric conductivity even when wetted with water or dried.

  一种生物电极组合物含有表面具有如下通式（1）所示 N-羰基磺酰胺盐的颗粒。R1 代表具有 1 至 20 个碳原子的直链、支链或环状亚烷基，可选择具有芳香基、醚基或酯基，或具有 6 至 10 个碳原子的芳烯基。Rf 代表具有 1 至 4 个碳原子的直链、支链或环状烷基，或具有 6 至 10 个碳原子的芳基，并可选择具有一个氟原子。M+ 代表选自锂、钠、钾和银离子的离子。本发明提供了一种生物电极组合物，该组合物能够形成生物电极的活体接触层，具有优异的导电性和生物相容性，重量轻，可低成本制造，即使被水浸湿或干燥也不会显著降低导电性。

表征谱图