5-methyl-Meldrum's acid | 1431522-73-4

• 分子结构分类: 有机化合物 - 有机氧化合物
• 英文名称: 5-methyl-Meldrum's acid
• 英文别名: 6-Hydroxy-2,2,5-trimethyl-1,3-dioxin-4-one
• CAS: 1431522-73-4
• 化学式: C₇H₁₀O₄
• 分子量: 158.154
• InChiKey: YCMVTHYUJKFCAF-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  1
• 重原子数：
  11
• 可旋转键数：
  0
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.57
• 拓扑面积：
  55.8
• 氢给体数：
  1
• 氢受体数：
  4

反应信息

• 作为反应物：
  描述：

  5-methyl-Meldrum's acid 在 溴 、 碳酸氢钠 作用下， 以 水 为溶剂， 生成 5-溴-2.2.5-三甲基-1.3-二噁烷-4.6-二酮
  参考文献：
  名称：

  [EN] MELDRUM 'S ACID, BARBITURIC ACID AND PYRAZOLONE DERIVATIVES SUBSTITUTED WITH HYDROXYLAMINE AS HNO DONORS
  [FR] ACIDE DE MELDRUM, ACIDE BARBITURIQUE ET DÉRIVÉS DE LA PYRAZOLINE SUBSTITUÉS PAR UNE HYDROXYLAMINE EN TANT QUE DONNEURS DE HNO

  摘要：

  所披露的主题提供了某些N-取代羟胺衍生物化合物，包括这些化合物的药物组合物和试剂盒，以及使用这些化合物或药物组合物的方法。具体而言，所披露的主题提供了使用这些化合物或药物组合物治疗、预防或延缓疾病或病况的发生和/或发展的方法。在某些实施例中，这种疾病或病况可选自心血管疾病、缺血、再灌注损伤、癌症、肺动脉高压以及对亚硝酰治疗有反应的病况。

  公开号：

  WO2013059194A1

文献信息

• 2,3-DIPHENYL-VALERONITRILE DERIVATIVES, METHOD FOR THE PRODUCTION THEREOF AND USE THEREOF AS HERBICIDES AND PLANT GROWTH REGULATORS
  申请人：Mosrin Marc

  公开号：US20140235446A1

  公开（公告）日：2014-08-21

  The compounds of the formula (I) in which L represents a radical of the formula and A 1 , B 1 and A 2 and B 2 are as defined in Claim 1, are suitable as herbicides for the control of harmful plants or as plant growth regulators. The compounds can be prepared by the process of Claim 12.

  式(I)中L代表式的基团，A1、B1、A2和B2如权利要求1所定义，适用于作为除草剂用于控制有害植物或作为植物生长调节剂。这些化合物可以通过权利要求12所述的方法制备。
• Compound having polymethine-chain structure, image forming material, planographic printing plate precursor, and image forming method using the same, method of making planographic printing plate, and planographic printing method
  申请人：Iwai Yu

  公开号：US20070212643A1

  公开（公告）日：2007-09-13

  A compound having, in its molecule, a polymethine chain structure containing a partial structure represented by the following formula (1-1), and an image forming material containing the same. In the formula (1-1), R 1 , R 2 , R 3 , R 4 , and X each independently represent a hydrogen atom, a halogen atom, or a monovalent organic group. The image forming material is useful as the image recording layer of a planographic printing plate precursor.

  一种化合物，其分子中含有一个聚甲烯链结构，其中包含以下式（1-1）所表示的部分结构，并且一种含有该化合物的成像材料。在式（1-1）中，R1、R2、R3、R4和X各自独立地表示氢原子、卤素原子或一价有机基团。该成像材料可用作平版印刷版前体的图像记录层。
• OPTICAL RECORDING MEDIUM, OPTICAL RECORDING MATERIAL AND METAL COMPLEX COMPOUND
  申请人：Mitsubishi Kagaku Media Co., Ltd.

  公开号：EP1903561A1

  公开（公告）日：2008-03-26

  [Problem]: An optical recording medium having a capability of recording and/or reading high density optical information using a short wavelength laser light is provided. [Means to Address the Problem]: The optical recording medium has a capability of recording and/or reading high density optical information using a short wavelength laser light having a wavelength of 350 nm to 530 nm. The optical recording medium has a recording layer containing a metal complex compound and formed on a substrate. The metal complex compound is composed of a cyclic β-diketone azo compound represented by the general formula (I) or general formula (II) and a divalent metal ion coordinated to the cyclic β-diketone azo compound.

  问题提供一种利用短波长激光记录和/或读取高密度光学信息的光学记录介质。 [解决问题的方法］该光学记录介质能够使用波长为 350 纳米至 530 纳米的短波长激光记录和/或读取高密度光学信息。该光学记录介质有一个记录层，其中含有一种金属复合物，并形成在基底上。金属络合物由通式（I）或通式（II）表示的环β-二酮偶氮化合物和与环β-二酮偶氮化合物配位的二价金属离子组成。
• MELDRUM'S ACID, BARBITURIC ACID AND PYRAZOLONE DERIVATIVES SUBSTITUTED WITH HYDROXYLAMINE AS HNO DONORS
  申请人：The Johns Hopkins University

  公开号：EP2776402B1

  公开（公告）日：2017-07-26
• OPTICAL RECORDING MEDIUM AND METHOD OF RECORDING VISIBLE INFORMATION
  申请人：SETO Nobuo

  公开号：US20090022047A1

  公开（公告）日：2009-01-22

  The optical recording medium comprises a visible information recording layer comprising at least two dyes of the following dyes. R a1 to R b3 each independently denote a hydrogen atom or a monovalent substituent, R a2 and R a3 may bond together to form a five to seven-membered heterocyclic ring, A denotes a substituted or unsubstituted aliphatic group, substituted or unsubstituted aryl group, or substituted or unsubstituted heterocyclic group, n denotes 0, 1, 2, or 3. Za 21 and Za 22 each independently denote an atom group forming an acidic nucleus, Ma 21 to Ma 23 each independently denote a substituted or unsubstituted methine group, Ka 21 denotes an integer ranging from 0 to 3, and Q denotes a monovalent cation. A 1 =N—B 1 General formula (III) A 1 denotes a substituted or unsubstituted heterocyclic group, a substituted aliphatic group, or a substituted or unsubstituted carbocyclic group, and B 1 denotes a substituted or unsubstituted heterocyclic group or a substituted or unsubstituted aryl group.