庚烷-3,4-二酮 | 13706-89-3

• 分子结构分类: 有机化合物 - 有机氧化合物
• 中文名称: 庚烷-3,4-二酮
• 英文名称: heptane-3,4-dione
• 英文别名: 3,4-heptanedione；1-propyl-1,2-butanedione；Heptan-3,4-dion；Aethyl-propyl-glyoxal；γ.δ-Dioxo-heptan；Propionylbutyryl
• CAS: 13706-89-3
• 化学式: C₇H₁₂O₂
• 分子量: 128.171
• InChiKey: LBCCPKFTHIBIKU-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  0.9
• 重原子数：
  9
• 可旋转键数：
  4
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.71
• 拓扑面积：
  34.1
• 氢给体数：
  0
• 氢受体数：
  2

反应信息

• 作为反应物：
  描述：

  庚烷-3,4-二酮 生成 Heptandion-3,4-dioxim
  参考文献：
  名称：

  A variable step-size control of adaptation for acoustic echo cancellation filters

  摘要：

  AbstractThis paper presents a low‐complexity variable step‐size control for acoustic echo cancellation filters. The proposed control method is based on two supplementary adaptive filters with low memory length. The first supplementary filter is used to control the double‐talk situations while the second supplementary filter is employed to detect variations of the echo‐path impulse response. The variable step‐size here derived is independent from die echo coupling loss and from the reverberation time and thus it is suitable for both hands‐free and handset terminals.

  DOI：

  10.1002/ett.4460130203
• 作为产物：
  描述：

  4-庚酮 在 乙醚 、 水 、 溴 、 barium carbonate 作用下， 生成 庚烷-3,4-二酮
  参考文献：
  名称：

  Venus-Danilowa, Bulletin de la Societe Chimique de France, 1928, vol. <4>43, p. 581

  摘要：

  DOI：

文献信息

• [EN] DENTAL COMPOSITION CONTAINING POLYOXOMETALATES, PROCESS OF PRODUCTION AND USE THEREOF<br/>[FR] COMPOSITION DENTAIRE CONTENANT DES POLYOXOMÉTALATES, PROCÉDÉS DE PRODUCTION ET D'UTILISATION DE LADITE COMPOSITION
  申请人：3M INNOVATIVE PROPERTIES CO

  公开号：WO2015034977A1

  公开（公告）日：2015-03-12

  The invention relates to a curable composition for dental use comprising polyoxymetalates and/or derivatives thereof in an amount of at least about 5 wt.-% with respect to the weight of the composition.

  该发明涉及一种可治疗的牙科用组合物，其包括聚氧金属酸盐和/或其衍生物，其在组合物的重量上占至少约5重量百分比。
• [EN] DENTAL COMPOSITION AND USE THEREOF<br/>[FR] COMPOSITION DENTAIRE ET SON UTILISATION
  申请人：3M INNOVATIVE PROPERTIES CO

  公开号：WO2015126862A1

  公开（公告）日：2015-08-27

  The invention relates to a dental composition comprising polymerizable monomer (1), initiator component(s), filler component(s) in an amount of more than about 20 wt.-%, wt.-% with respect to the whole weight of the composition, the polymerizable monomer (1) being characterized as follows: having exactly two (meth)acrylate reactive moieties, having an unsymmetrical backbone as linkage between the (meth)acrylate reactive moieties, the two (meth)acrylate reactive moieties being attached onto the unsymmetrical monomer backbone as alkyl esters, the unsymmetrical backbone comprising one aromatic moiety of the phenolic type, the polymerizable monomer (1) not containing an acidic moiety, other atoms than carbon, hydrogen, and oxygen, bisphenol moieties. The invention also relates to the use of the dental composition as or for producing a dental filling material, crown and bridge material, inlay, onlay, veneer or dental mill blank.

  该发明涉及一种牙科组合物，包括可聚合单体（1），引发剂成分，填料成分，其含量超过整个组合物重量的20重量％，可聚合单体（1）的特征如下：具有正好两个（甲基）丙烯酸酯反应基团，具有非对称的骨架作为（甲基）丙烯酸酯反应基团之间的连接，两个（甲基）丙烯酸酯反应基团附着在非对称单体骨架上作为烷基酯，非对称骨架包括酚型芳香基团，可聚合单体（1）不含有酸性基团，除碳、氢和氧之外的其他原子，双酚基团。该发明还涉及将该牙科组合物用作或用于生产牙科充填材料，牙冠和桥梁材料，嵌体，瓷贴面或牙科铣削坯料。
• [EN] ADHESIVE BONDING COMPOSITION AND USE THEREOF<br/>[FR] COMPOSITION DE LIAISON ADHÉSIVE ET SON UTILISATION
  申请人：3M INNOVATIVE PROPERTIES CO

  公开号：WO2015126865A1

  公开（公告）日：2015-08-27

  An adhesive dental composition comprising apolymerizable monomer (1), a polymerizable monomer (2) comprising an acidic moiety,initiator component(s), filler component(s) in an amount of less than about 15 wt.-%, wt.-% with respect to the whole weight of the composition, the polymerizable monomer (1) being characterized as follows: having exactly two (meth)acrylate reactive moieties, having an unsymmetrical backbone as linkage between the (meth)acrylate reactive moieties, the two (meth)acrylate reactive moieties being attached onto the unsymmetrical monomer backbone as alkyl esters, the unsymmetrical backbone comprising one aromatic moiety of the phenolic type, the polymerizable monomer (1) not containing an acidic moiety, other atoms than carbon, hydrogen, and oxygen, bisphenol moieties. The invention also relates to the use of the adhesive dental composition as dental adhesive, sealant, cement or for bonding or cementing a material to the surface of hard dental tissue.

  一种粘合剂牙科组合物，包括可聚合单体（1）、含有酸性基团的可聚合单体（2）、引发剂组分、填料组分，其含量不超过整个组合物重量的约15重量％，其中可聚合单体（1）具有以下特征：具有正好两个（甲基）丙烯酸酯反应基团，具有不对称的骨架作为连接（甲基）丙烯酸酯反应基团的链，两个（甲基）丙烯酸酯反应基团附着在不对称单体骨架上作为烷基酯，不对称骨架包括酚类的一个芳香基团，可聚合单体（1）不含有酸性基团、除碳、氢和氧之外的其他原子、双酚基团。该发明还涉及将该粘合剂牙科组合物用作牙科粘合剂、密封剂、水泥或用于将材料粘合或水泥到硬质牙齿表面的用途。
• [EN] SUBSTITUTED PYRAZOLE UREA COMPOUNDS FOR THE TREATMENT OF INFLAMMATION<br/>[FR] COMPOSES D'UREE DE PYRAZOLE SUBSTITUEE UTILES DANS LE TRAITEMENT D'INFLAMMATIONS
  申请人：PHARMACIA CORP

  公开号：WO2005037797A1

  公开（公告）日：2005-04-28

  Compounds of Formula (I): wherein X1, X2, L1, A, R, L2, R1, R2, R2a, R3, R4, and R4a are as defined herein, are disclosed.

  公式（I）的化合物：其中X1、X2、L1、A、R、L2、R1、R2、R2a、R3、R4和R4a如本文所定义，已被披露。
• Lipoprotein(a) Is Related to the Extent of Lesions in the Coronary Vasculature and to Unstable Coronary Syndromes
  作者：John D. Zampoulakis、Areti A. Kyriakousi、Kostas A. Poralis、Naoum T. Karaminas、Ioannis D. Palermos、Elias T. Chimonas、Dennis V. Cokkinos

  DOI：10.1002/clc.4960231208

  日期：2000.12

  effect. Until now its relation to the extent and severity of the atheromatic lesions had not been established by standard procedures. HYPOTHESIS This study examined the correlation of Lp(a) to the extent and severity of coronary artery disease (CAD) and its relation to unstable clinical events (not including sudden death). METHODS In 202 patients undergoing coronary angiography, plasma lipids were measured

  背景技术Lp（a）是具有促血栓形成作用的高度动脉粥样化的颗粒。到目前为止，还没有通过标准程序确定其与动脉粥样硬化病变程度和严重程度的关系。假设这项研究检查了Lp（a）与冠状动脉疾病（CAD）的程度和严重程度的相关性及其与不稳定的临床事件（不包括猝死）的关系。方法在202例接受冠状动脉造影的患者中，采用常规程序测定血脂，采用酶联免疫吸附测定法测定Lp（a）。CAD的程度用患病血管的数量及其严重程度来表示，取决于严重程度系数和阻塞系数。结果LP（a）与患病血管数量（p = 0.0007）之间存在非常密切的关系，表明弥漫性动脉粥样硬化，但与病变的严重程度无关。被找到。但是，它是唯一与完全阻塞的血管数量显着相关的脂质（p = 0.0003）。Lp（a）的血栓形成能力表现为Lp（a）升高的患者心肌梗死发生率增加和不稳定的心绞痛发作（p = 0.0157）。结论Lp（a）升高易导致CAD和总闭塞程度，