4-甲氧基苯亚甲基丙二酸二甲酯 | 7443-25-6

• 物质功能分类: 化学试剂 - 有机试剂 - 酯类
• 分子结构分类: 有机化合物 - 苯丙烷和聚酮 - 肉桂酸及其衍生物
• 中文名称: 4-甲氧基苯亚甲基丙二酸二甲酯
• 中文别名: 锌；锌片；紫外线吸收剂PR-25
• 英文名称: dimethyl 2-(4-methoxybenzylidene)malonate
• 英文别名: 2-[(4-methoxyphenyl)methylene]propanedioic acid,dimethyl ester；Dimethyl (p-methoxybenzylidene)malonate；dimethyl 2-[(4-methoxyphenyl)methylidene]propanedioate
• CAS: 7443-25-6
• 化学式: C₁₃H₁₄O₅
• mdl: MFCD09753105
• 分子量: 250.251
• InChiKey: JMFYZMAVUHNCPW-UHFFFAOYSA-N

物化性质

• 熔点：
  56-57℃
• 沸点：
  144-145 °C(Press: 0.17 Torr)
• 密度：
  1.187
• 溶解度：
  溶于甲醇
• LogP：
  2.4 at 20℃

计算性质

• 辛醇/水分配系数(LogP)：
  2.5
• 重原子数：
  18
• 可旋转键数：
  6
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.23
• 拓扑面积：
  61.8
• 氢给体数：
  0
• 氢受体数：
  5

安全信息

• 海关编码：
  2918990090
• 储存条件：
  室温且干燥

制备方法与用途

感光性树脂试剂是一种在光照作用下发生化学反应的特殊试剂。

反应信息

• 作为反应物：
  描述：

  4-甲氧基苯亚甲基丙二酸二甲酯 在 potassium hydroxide 、 盐酸 作用下， 以 四氢呋喃 、 甲醇 、 水 为溶剂， 反应 16.0h， 以54%的产率得到2-(4-甲氧基亚苄基)丙二酸
  参考文献：
  名称：

  Selection, synthesis, and anti-inflammatory evaluation of the arylidene malonate derivatives as TLR4 signaling inhibitors

  摘要：

  Inhibition of TLR4 signaling is an important therapeutic strategy for intervention in the etiology of several pro-inflammatory diseases. There has been intensive research in recent years aiming to explore this strategy, and identify small molecule inhibitors of the TLR4 pathway. However, the recent failure of a number of advanced drug candidates targeting TLR4 signaling (e.g., TAK242 and Eritoran) prompted us to continue the search for novel chemical scaffolds to inhibit this critical inflammatory response pathway. Here we report the identification of a group of new TLR4 signaling inhibitors through a cell-based screening. A series of arylidene malonate analogs were synthesized and assayed in murine macrophages for their inhibitory activity against LPS-induced nitric oxide (NO) production. The lead compound 1 (NCI126224) was found to suppress LPS-induced production of nuclear factor-kappaB (NF-kappa B), tumor necrosis factor (TNF-alpha), interleukin-1 beta (IL-1 beta), and nitric oxide (NO) in the nanomolar-low micromolar range. Taken together, this study demonstrates that 1 is a promising potential therapeutic candidate for various inflammatory diseases. (C) 2012 Elsevier Ltd. All rights reserved.

  DOI：

  10.1016/j.bmc.2012.08.022
• 作为产物：
  描述：

  4-甲氧基苯甲醛 生成 4-甲氧基苯亚甲基丙二酸二甲酯
  参考文献：
  名称：

  Materials and methods for the treatment of diabetes, hyperlipidemia, hypercholesterolemia, and atherosclerosis

  摘要：

  该发明提供了在治疗2型糖尿病中有用的药物化合物。这些化合物具有优势，因为它们可以被代谢药物解毒系统迅速代谢。特别地，设计了包含酯基的噻唑烷二酮类似物的化合物。该发明还涉及治疗疾病的方法，如糖尿病，包括给予经设计为能够被血清或细胞内酯酶代谢的化合物的治疗有效组合物。还教授了含酯基的噻唑烷二酮类似物的药物组合物。

  公开号：

  US20030236227A1

文献信息

• An Expeditious Route to<i>trans</i>-Configured Tetrahydrothiophenes Enabled by Fe(OTf)₃-Catalyzed [3+2] Cycloaddition of Donor-Acceptor Cyclopropanes with Thionoesters
  作者：Yohei Matsumoto、Daiki Nakatake、Ryo Yazaki、Takashi Ohshima

  DOI：10.1002/chem.201800957

  日期：2018.4.20

  A synthetic route to trans‐configured tetrahydrothiophenes (THTs) through Fe(OTf)3‐promoted [3+2] cycloaddition of donor–acceptor cyclopropanes with thionoesters was developed. The cycloaddition proceeded in high yield with high diastereoselectivity, affording transient α‐alkoxy THTs. Not only aromatic and aliphatic thionoesters, but also thionolactone were applicable to the present iron catalysis

  开发了一种通过Fe（OTf）3促进的供体-受体环丙烷与硫代酸酯酯加成的[3 + 2]环加成的反式构型四氢噻吩（THT）的合成途径。环加成反应以高收率和高非对映选择性进行，提供了瞬时α-烷氧基THT。不仅芳族和脂族硫代磺酸酯，而且硫代内酯也适用于本发明的铁催化。的产品的S，O -缩酮功能的进一步转化是在一个高度实现反式非对映选择性方式进行。此外，通过对映体富集的反式构型THT的合成，清楚地证明了我们方法的实用性。
• Indium(III)-Catalyzed Knoevenagel Condensation of Aldehydes and Activated Methylenes Using Acetic Anhydride as a Promoter
  作者：Yohei Ogiwara、Keita Takahashi、Takefumi Kitazawa、Norio Sakai

  DOI：10.1021/acs.joc.5b00011

  日期：2015.3.20

  amount of InCl3 and acetic anhydride remarkably promotes the Knoevenagel condensation of a variety of aldehydes and activated methylene compounds. This catalytic system accommodates aromatic aldehydes containing a variety of electron-donating and -withdrawing groups, heteroaromatic aldehydes, conjugate aldehydes, and aliphatic aldehydes. Central to successfully driving the condensation series is the formation

  催化量的InCl 3和乙酸酐的组合显着促进了各种醛和活化的亚甲基化合物的Knoevenagel缩合。该催化体系可容纳含有各种供电子和吸电子基团的芳族醛，杂芳族醛，共轭醛和脂族醛。成功驱动缩合反应系列的关键是双乙酸双酯中间体的形成，该中间体是在铟催化剂的帮助下由醛和酸酐就地生成的。
• Asymmetric Michael Addition of Ketones to Alkylidene Malonates and Allylidene Malonates via Enamine–Metal Lewis Acid Bifunctional Catalysis
  作者：Lu Liu、Ryan Sarkisian、Zhenghu Xu、Hong Wang

  DOI：10.1021/jo301070s

  日期：2012.9.7

  Novel enamine–metal Lewis acid bifunctional catalysts were successfully applied to the asymmetric Michael addition of ketones to alkylidene malonates, offering excellent stereoselectivity (up to >99% ee and >99:1 dr). The asymmetric Michael addition of ketones to allylidene malonates was also achieved.

  新型的烯胺金属路易斯酸双功能催化剂已成功地用于酮与亚烷基丙二酸酯的不对称迈克尔加成反应，具有出色的立体选择性（高达99％ee和> 99：1 dr）。还实现了酮向烯丙基丙二酸酯的不对称迈克尔加成。
• Lewis Acid Mediated (3 + 2) Cycloadditions of Donor–Acceptor Cyclopropanes with Heterocumulenes
  作者：Alexander F. G. Goldberg、Nicholas R. O’Connor、Robert A. Craig、Brian M. Stoltz

  DOI：10.1021/ol302494n

  日期：2012.10.19

  Isocyanates, isothiocyanates, and carbodiimides are effective substrates in (3 + 2) cycloadditions with donor–acceptor cyclopropanes for the synthesis of five-membered heterocycles. These reactions exhibit a broad substrate scope, high yields, and well-defined chemoselectivity. Discussed herein are the implications of Lewis acid choice on the stereochemical outcome and the reaction mechanism.

  异氰酸酯、异硫氰酸酯和碳二亚胺是与供体-受体环丙烷进行 (3 + 2) 环加成反应的有效底物，用于合成五元杂环。这些反应表现出广泛的底物范围、高产率和明确的化学选择性。本文讨论的是路易斯酸选择对立体化学结果和反应机理的影响。
• One-by-one hydrogenation, cross-coupling reaction, and Knoevenagel condensations catalyzed by PdCl2 and the downstream palladium residue
  作者：Hu Wang、Li Li、Xing-Feng Bai、Wen-Hui Deng、Zhan-Jiang Zheng、Ke-Fang Yang、Li-Wen Xu

  DOI：10.1039/c3gc40991k

  日期：——

  A novel catalyst-economic strategy with a recovered palladium catalyst was successfully applied for multi-task and maximum reuse in different types of one-by-one downstream reactions, from catalytic hydrogenation to Suzuki and Sonogashira-type cross-coupling reactions, Knoevenagel condensations, and trans-Knoevenagel-like condensations.

  一种新型催化剂经济策略，采用回收的钯催化剂，成功应用于多种一一对应的下游反应中，实现了从催化氢化到铃木型、Sonogashira型交叉偶联反应、Knoevenagel缩合反应以及类似trans-Knoevenagel缩合反应的多任务和最大化重复利用。