1,1,3,3-四乙基硫脲 | 4274-15-1

• 分子结构分类: 有机化合物 - 有机硫化合物 - 硫脲类
• 中文名称: 1,1,3,3-四乙基硫脲
• 英文名称: tetraethylthiourea
• 英文别名: tetraethyl-thiourea；Tetraaethyl-thioharnstoff；1,1,3,3-tetraethyl-2-thiourea；N,n,n',n'-tetraethylthiourea；tetraethyl thiourea；N,N,N',N'-Tetraethyl-thioharnstoff；1,1,3,3-tetraethylthiourea
• CAS: 4274-15-1
• 化学式: C₉H₂₀N₂S
• 分子量: 188.337
• InChiKey: ZSPQVOFATJEJMT-UHFFFAOYSA-N

物化性质

• 溶解度：
  可溶于氯仿（少许）、甲醇（少许）

计算性质

• 辛醇/水分配系数(LogP)：
  1.8
• 重原子数：
  12
• 可旋转键数：
  4
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.89
• 拓扑面积：
  38.6
• 氢给体数：
  0
• 氢受体数：
  1

安全信息

• 储存条件：
  室温

反应信息

• 作为反应物：
  描述：

  1,1,3,3-四乙基硫脲 在 2,2'-dithiobis(1,3-dithiolanium) ditetrafluoroborate 作用下， 以 乙腈 为溶剂， 生成
  参考文献：
  名称：

  Formation and reactions of dithiodicarbenium salts

  摘要：

  DOI：

  10.1021/ja00414a012
• 作为产物：
  描述：

  二硫化四乙基秋兰姆 、 二乙胺 生成 1,1,3,3-四乙基硫脲
  参考文献：
  名称：

  LAZOVENKO A. N.; IGNATOV V. A.; ZHELOBKOVA I. V., ZH. OBSHCH. XIMII, 1981, 51, HO 3, 679-682

  摘要：

  DOI：

文献信息

• DENTAL COMPOSITIONS COMPRISING ADDITION-FRAGMENTATION AGENTS
  申请人：Joly Guy D.

  公开号：US20160008234A1

  公开（公告）日：2016-01-14

  A curable dental composition comprising an addition-fragmentation agent and a curable dental resin is disclosed.

  揭示了一种可治愈的牙科组合物，包括一种加成-断裂剂和一种可治愈的牙科树脂。
• DENTAL CEMENT
  申请人：KURARAY NORITAKE DENTAL INC.

  公开号：US20170135909A1

  公开（公告）日：2017-05-18

  The present invention provides a dental cement that exhibits excellent adhesiveness to dentin and has high mechanical strength. The present invention relates to a multi-part dental cement containing: an asymmetric acrylamide-methacrylic acid ester compound (a); an acid group-containing (meth)acrylic polymerizable monomer (b); a hydrophobic crosslinkable polymerizable monomer (c); a chemical polymerization initiator (d); and a filler (e). The asymmetric acrylamide-methacrylic acid ester compound (a) is represented by the following general formula (1): where X is an optionally substituted, linear or branched C 1 to C 6 aliphatic group or an optionally substituted aromatic group, the aliphatic group is optionally interrupted by at least one linking group selected from the group consisting of —O—, —S—, —CO—, —CO—O—, —O—CO—, —NR 1 —, —CO—NR 1 —, —NR 1 —CO—, —CO—O—NR 1 —, —O—CO—NR 1 —, and —NR 1 —CO—NR 1 —, and R 1 is a hydrogen atom or an optionally substituted, linear or branched C 1 to C 6 aliphatic group.

  本发明提供一种对牙本质具有良好粘附性并具有高机械强度的牙科水泥。本发明涉及一种含有多部分的牙科水泥，包括：一种不对称的丙烯酰胺-甲基丙烯酸酯化合物（a）；一种含酸基的（甲基）丙烯酸聚合单体（b）；一种疏水性交联聚合单体（c）；一种化学聚合引发剂（d）；和一种填料（e）。不对称的丙烯酰胺-甲基丙烯酸酯化合物（a）由以下一般式（1）表示：其中X是可选择取代的线性或支链的C1到C6脂肪族基团或可选择取代的芳香族基团，脂肪族基团可选择地被来自由—O—、—S—、—CO—、—CO—O—、—O—CO—、—NR1—、—CO—NR1—、—NR1—CO—、—CO—O—NR1—、—O—CO—NR1—和—NR1—CO—NR1—组成的至少一种连接基团中断，且R1是氢原子或可选择取代的线性或支链的C1到C6脂肪族基团。
• DENTAL ADHESIVE
  申请人：KURARAY NORITAKE DENTAL INC.

  公开号：US20170196778A1

  公开（公告）日：2017-07-13

  The present invention provides a dental adhesive exhibiting excellent initial bond strength and bond durability to both enamel and dentin. The present invention relates to a dental adhesive containing: an asymmetric acrylamide-methacrylic acid ester compound (a); an acid group-containing (meth)acrylic polymerizable monomer (b); and a water-soluble polymerizable monomer (c). The asymmetric acrylamide-methacrylic acid ester compound (a) is represented by the following general formula (1): where X is an optionally substituted, linear or branched C 1 to C 6 aliphatic group or an optionally substituted aromatic group, the aliphatic group is optionally interrupted by at least one linking group selected from the group consisting of —O—, —S—, —CO—, —CO—O—, —O—CO—, —NR 1 —, —CO—NR 1 —, —NR 1 —CO—, —CO—O—NR 1 —, —O—CO—NR 1 —, and —NR 1 —CO—NR 1 —, and R 1 is a hydrogen atom or an optionally substituted, linear or branched C 1 to C 6 aliphatic group.

  本发明提供了一种牙科粘接剂，具有优异的初始粘接强度和对牙釉质和牙本质的粘接耐久性。本发明涉及一种含有以下成分的牙科粘接剂：不对称丙烯酰胺-甲基丙烯酸酯化合物（a）；含酸基的（甲基）丙烯酸聚合单体（b）；以及水溶性聚合单体（c）。不对称丙烯酰胺-甲基丙烯酸酯化合物（a）由下述一般式（1）表示：其中X是可选择取代的线性或支链状的C1到C6脂肪族基或可选择取代的芳香族基，所述脂肪族基可被来自由—O—、—S—、—CO—、—CO—O—、—O—CO—、—NR1—、—CO—NR1—、—NR1—CO—、—CO—O—NR1—、—O—CO—NR1—和—NR1—CO—NR1—组成的至少一个连接基中断，R1为氢原子或可选择取代的线性或支链状的C1到C6脂肪族基。
• [EN] BIFUNCTIONAL AND POLYFUNCTIONAL COINITIATORS IN DENTAL COMPOSITIONS<br/>[FR] CO-INITIATEURS BIFONCTIONNELS ET POLYFONCTIONNELS DANS DES COMPOSITIONS DENTAIRES
  申请人：DENTSPLY DETREY GMBH

  公开号：WO2020099518A1

  公开（公告）日：2020-05-22

  A dental composition comprising (a) a polymerizable monomer; and (b) an initiator system comprising (b-1) a sensitizer or an oxidizing agent of a redox initiator system; and (b-2) a coinitiator of the following formula (I): Q-X (I) wherein Q and X are as defined in claim 1.

  一种包括（a）可聚合单体和（b）包括（b-1）感光剂或氧化剂的氧化还原引发剂体系以及（b-2）具有以下化学式（I）的共引发剂的牙科组合物：Q-X（I），其中Q和X如权利要求1中所定义。
• [EN] DENTAL COMPOSITION<br/>[FR] COMPOSITION DENTAIRE
  申请人：DENTSPLY DETREY GMBH

  公开号：WO2018108948A1

  公开（公告）日：2018-06-21

  The present invention relates to a dental composition comprising a specific polymerizable compound and a polymerization initiator system. Furthermore, the present invention relates to the specific polymerizable compound as such and its use in a dental composition. The specific polymerizable compound of the present invention has an N-allyl (meth)acrylamide group, which nitrogen atom is substituted with an alkyl or alkenyl group optionally substituted by a group selected from a hydroxyl group, a C1-4 alkoxy group, a tertiary amino group and a carboxyl group, wherein 1 to 8 carbon atoms in the main chain of the alkyl or alkenyl group may independently from each other be replaced by a heteroatom selected from an oxygen atom and a sulfur atom.

  本发明涉及一种包括特定可聚合化合物和聚合引发剂体系的牙科组合物。此外，本发明涉及所述特定可聚合化合物本身及其在牙科组合物中的使用。本发明的特定可聚合化合物具有N-烯丙基（甲基）丙烯酰胺基团，该氮原子被烷基或烯基取代，该烷基或烯基可以选择性地被羟基、C1-4烷氧基、三级胺基和羧基中的一种取代，其中烷基或烯基中的主链的1至8个碳原子可以分别被氧原子和硫原子中选择的杂原子所取代。