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1,3-二十八烷基尿素 | 4051-66-5

中文名称
1,3-二十八烷基尿素
中文别名
——
英文名称
N,N'-Dioctadecylharnstoff
英文别名
1,3-Dioctadecylurea
1,3-二十八烷基尿素化学式
CAS
4051-66-5
化学式
C37H76N2O
mdl
——
分子量
565.023
InChiKey
AOZVWUCYHOWWPH-UHFFFAOYSA-N
BEILSTEIN
——
EINECS
——
  • 物化性质
  • 计算性质
  • ADMET
  • 安全信息
  • SDS
  • 制备方法与用途
  • 上下游信息
  • 反应信息
  • 文献信息
  • 表征谱图
  • 同类化合物
  • 相关功能分类
  • 相关结构分类

物化性质

  • 熔点:
    110-112 °C(lit.)
  • 稳定性/保质期:
    如果遵照规格使用和储存,则不会分解,未有已知危险发生。应避免与强氧化剂接触。

计算性质

  • 辛醇/水分配系数(LogP):
    17
  • 重原子数:
    40
  • 可旋转键数:
    34
  • 环数:
    0.0
  • sp3杂化的碳原子比例:
    0.97
  • 拓扑面积:
    41.1
  • 氢给体数:
    2
  • 氢受体数:
    1

安全信息

  • WGK Germany:
    3
  • 海关编码:
    2924199090

反应信息

  • 作为反应物:
    描述:
    1,3-二十八烷基尿素碳酸氢钠 作用下, 以 二氯甲烷 为溶剂, 反应 7.0h, 生成 sodium 5-(β-D-maltosyl)-1,3-dioctadecylbarbiturate
    参考文献:
    名称:
    两亲性β-C-糖基巴比妥酸盐的分级自组装成多反应性海藻酸盐样超分子水凝胶纤维和囊泡水凝胶
    摘要:
    巴比妥酸介导的Knoevenagel 缩合在未受保护的碳水化合物上使两亲性 β- C-糖基巴比妥酸盐作为水凝胶剂的分子设计成为可能。单尾糖亲分子自组装成藻酸盐样多刺激触发和响应的超分子水凝胶纤维。同时,双尾糖亲分子导致了囊泡水凝胶。巴比妥酸被证明是一种高效且多功能的化学工具箱,可用于获取和设计糖缀合物。
    DOI:
    10.1002/chem.202102950
  • 作为产物:
    描述:
    异氰酸十八酯 三乙基硅烷 作用下, 以 四氢呋喃 为溶剂, 反应 60.0h, 以37%的产率得到1,3-二十八烷基尿素
    参考文献:
    名称:
    Herrmann, Gerhard; Suess-Fink, Georg, Chemische Berichte, 1985, vol. 118, # 9, p. 3959 - 3965
    摘要:
    DOI:
点击查看最新优质反应信息

文献信息

  • Method for Producing Carbonyl Compund
    申请人:Shinohata Masaaki
    公开号:US20130178645A1
    公开(公告)日:2013-07-11
    A method for producing a carbonyl compound of the present invention comprises a step (X) of reacting a specific compound having a urea bond with a carbonic acid derivative having a carbonyl group (—C(═O)—) under heating at a temperature equal to or higher than the thermal dissociation temperature of the urea bond to obtain the carbonyl compound.
    本发明的生产羰基化合物的方法包括以下步骤(X):将具有脲键的特定化合物与具有羰基(—C(═O)—)的碳酸衍生物在温度高于或等于脲键热解温度的条件下加热反应,以获得所述羰基化合物。
  • REUSABLE PRINT MEDIUM AND METHOD OF MANUFACTURING THEREOF
    申请人:OCE TECHNOLOGIES B.V.
    公开号:US20130137805A1
    公开(公告)日:2013-05-30
    The present invention relates to a reusable print medium comprising a substrate and a sacrificial layer. The sacrificial layer contains a hotmelt composition at least comprising an amorphous material. The amorphous material is a resin being a reaction product of a first monomer A, said first monomer A being a polyhydroxyl alcohol comprising X hydroxyl functional groups, wherein X≧2, monomer A optionally comprises a primary or secondary amine functionality; a second monomer B, being an aromatic monocarboxylic acid; a third monomer C, said third monomer C being able to form an ester linkage with an alcohol and/or an amide linkage with a primary or secondary amine; and optionally, a fourth monomer D, being an aromatic monocarboxylic acid different from the second monomer B. The sacrificial layer including the printed image may be removed from the substrate by applying heat. A new sacrificial layer may be applied such that the reusable print medium is ready to be reused. The present invention also relates to a method of manufacturing a reusable print medium according to the present invention, a method of printing and recycling such a print medium and an apparatus for printing and recycling such a print medium.
    本发明涉及一种可重复使用的印刷介质,包括基底和牺牲层。牺牲层含有至少包括非晶态材料的热熔组合物。该非晶态材料是一种树脂,是第一单体A的反应产物,第一单体A是一种聚羟基醇,包括X个羟基官能团,其中X≥2,单体A可选包括一种主链或侧链氨基官能团;第二单体B是一种芳香单羧酸;第三单体C能够与醇形成酯键和/或与一种主链或侧链氨基形成酰胺键;可选地,第四单体D是一种与第二单体B不同的芳香单羧酸。可以通过施加热量从基底中去除包括印刷图像的牺牲层。可以应用新的牺牲层,使可重复使用的印刷介质准备好被重用。本发明还涉及一种制造可重复使用的印刷介质的方法,一种印刷和回收这样的印刷介质的方法,以及一种印刷和回收这样的印刷介质的装置。
  • FOAMED PRODUCT IN A SHEET FORM AND METHOD FOR PRODUCTION THEREOF
    申请人:OJI PAPER CO., LTD.
    公开号:EP1647570A1
    公开(公告)日:2006-04-19
    The present invention discloses a foam sheet and its production process comprising the formation of a plurality of independent cells and/or a plurality of continuous cells. The foam sheet is produced from a foamable composition that contains an acid generator that generates an acid or a base generator that generates a base due to the action of an active energy beam and a compound that has a decomposing foamable functional group that decomposes and eliminates one or more types of low boiling point volatile substances by reacting with the acid or base.
    本发明公开了一种泡沫板及其生产工艺,包括形成多个独立单元和/或多个连续单元。泡沫板由一种可发泡组合物生产而成,该组合物含有一种酸发生器(在活性能量束的作用下产生一种酸)或一种碱发生器(在活性能量束的作用下产生一种碱),以及一种化合物,该化合物具有一种可分解泡沫的官能团,通过与酸或碱反应,分解并消除一种或多种低沸点挥发性物质。
  • PROCESS FOR PRODUCING FOAM
    申请人:OJI PAPER CO., LTD.
    公开号:EP1795553A1
    公开(公告)日:2007-06-13
    A foam production method including an irradiating step in which an active energy beam is irradiated onto a foamable composition containing an acid generating agent, which generates an acid, or a base generating agent, which generates a base, due to an action of an active energy beam, and containing a compound which has a decomposable/foamable functional group, which decomposes and eliminates one or more kinds of volatile substances with a low boiling point by reacting with the acid or base; and a subsequent foaming step in which the foamable composition is foamed under controlled pressure in a temperature region where the volatile substances with a low boiling point are decomposed and being eliminated.
    一种泡沫生产方法,包括一个辐照步骤,在该步骤中,一束活性能量光束被照射到一种可发泡组合物上,该组合物含有一种酸生成剂,在活性能量光束的作用下生成一种酸,或一种碱生成剂,在活性能量光束的作用下生成一种碱,该组合物还含有一种具有可分解/可发泡官能团的化合物,该化合物通过与酸或碱反应,分解并消除一种或多种具有低沸点的挥发性物质;以及随后的发泡步骤,在该步骤中,可发泡组合物在受控压力下,在低沸点挥发性物质被分解和消除的温度区域内发泡。
  • Heat resistance improver and reversible thermosensitive recording medium
    申请人:Ricoh Company, Ltd.
    公开号:EP2103445A1
    公开(公告)日:2009-09-23
    A heat resistance improver including a heat resistance improving component which has a benzotriazole skeleton having an electron attractive group and a reactive aliphatic hydroxyl group or a reactive aliphatic mercapto group, wherein the heat resistance improver is used in a reversible thermosensitive recording medium.
    一种耐热性改进剂,包括一种具有苯并三唑骨架的耐热性改进成分,该骨架具有一个引电子基团和一个反应性脂肪族羟基或反应性脂肪族巯基,其中耐热性改进剂用于可逆热敏记录介质。
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