1,4-pentanediolcarbonate | 271798-12-0

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 二氧环庚烷
• 英文名称: 1,4-pentanediolcarbonate
• 英文别名: (+/-)-4-methyl-1,3-dioxepan-2-one；4-Methyl-1,3-dioxepan-2-one
• CAS: 271798-12-0
• 化学式: C₆H₁₀O₃
• 分子量: 130.144
• InChiKey: JKNNDGRRIOGKKO-UHFFFAOYSA-N

物化性质

• 沸点：
  255.9±9.0 °C(Predicted)
• 密度：
  1.060±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  1.4
• 重原子数：
  9
• 可旋转键数：
  0
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.83
• 拓扑面积：
  35.5
• 氢给体数：
  0
• 氢受体数：
  3

反应信息

• 作为反应物：
  描述：

  乙醇 、 1,4-pentanediolcarbonate 在 80percent zinc oxide, 10percent aluminum oxide, 5percent lanthanum oxide, 5percent cerium oxide, reducing by hydrogen 作用下， 180.0 ℃ 、2.0 MPa 条件下， 反应 0.17h， 以95%的产率得到碳酸二乙酯
  参考文献：
  名称：

  Environment-friendly liquid fuel and production process thereof

  摘要：

  本发明揭示了液体燃料及其生产工艺。该液体燃料包括具有结构式的二烷基碳酸酯，其中R和R'相同或不同，且R和R'选自由C1-C8直链烷基、C3-C8支链烷基、C3-C8萘基和含有呋喃环的烷基组成的群。生产该液体燃料的工艺包括以下步骤：对2-甲基四氢呋喃和二氧化碳进行环加成反应，生成环碳酸酯，然后对环碳酸酯和一元醇进行酯交换反应，生成二烷基碳酸酯。本发明生产的液体燃料洁净、安全、可生物降解；它兼具传统基于化石的液体燃料和生物液体燃料的优点，并具有广泛的应用范围。该工艺为工业生产二烷基碳酸酯提供了一种新途径，实现了生物质资源的高效综合利用。

  公开号：

  EP2664608A1
• 作为产物：
  描述：

  2-甲基呋喃 在 氢气 作用下， 120.0~200.0 ℃ 、8.0 MPa 条件下， 反应 0.5h， 生成 1,4-pentanediolcarbonate
  参考文献：
  名称：

  Environment-friendly liquid fuel and production process thereof

  摘要：

  本发明揭示了液体燃料及其生产工艺。该液体燃料包括具有结构式的二烷基碳酸酯，其中R和R'相同或不同，且R和R'选自由C1-C8直链烷基、C3-C8支链烷基、C3-C8萘基和含有呋喃环的烷基组成的群。生产该液体燃料的工艺包括以下步骤：对2-甲基四氢呋喃和二氧化碳进行环加成反应，生成环碳酸酯，然后对环碳酸酯和一元醇进行酯交换反应，生成二烷基碳酸酯。本发明生产的液体燃料洁净、安全、可生物降解；它兼具传统基于化石的液体燃料和生物液体燃料的优点，并具有广泛的应用范围。该工艺为工业生产二烷基碳酸酯提供了一种新途径，实现了生物质资源的高效综合利用。

  公开号：

  EP2664608A1

文献信息

• COMPOSITIONS COMPRISING A POLYMERIC NETWORK
  申请人：UNIVERSITEIT GENT

  公开号：US20170327625A1

  公开（公告）日：2017-11-16

  The present invention relates to a composition comprising a polymeric network having at least one unit of formula (I), (II), and/or (III); (I) (II) (III) wherein said composition is obtained by contacting at least one compound A comprising at least two functions selected from the group of function of formula X—C(═O)—CHR 1 —C(═O)—R 2 , —C(═O)—C—R 2 ; or —C(═O)—CR 1 ═CR 2 —NR 4 R 5 ; wherein at least 25% by weight of compounds A have a functionality ≦5, with % by weight relative to the total weight of compounds A; with at least one compound B comprising at least one NH 2 , or NH 3 + groups; wherein X, R 1 , R 2 , R 3 , R 4 , R 5 , L 1 and L 2 have the same meaning as that defined in the claims. The present invention also relates to a compound comprising at least two units and at most 5 units of formula (I), (II), and/or (III); wherein R 1 , R 2 , R 3 , X, L 1 and L 2 have the same meaning as that defined in the claims. The present invention also relates to processes for preparing said composition and said compounds, to material, articles, and polymers comprising or using said compositions and compounds, and the use thereof.

  本发明涉及一种组合物，其包括至少一种具有式(I)、(II)和/或(III)的聚合网络单元；其中所述组合物是通过接触至少一种化合物A而获得的，所述化合物A包括至少两种选自以下功能组的功能：X—C(═O)—CHR1—C(═O)—R2，—C(═O)—C—R2；或—C(═O)—CR1═CR2—NR4R5；其中化合物A的至少25%的重量具有功能性≦5，以重量百分比相对于化合物A的总重量计算；以及至少一种包括至少一个NH2或NH3+基团的化合物B；其中X、R1、R2、R3、R4、R5、L1和L2的含义与权利要求书中定义的含义相同。本发明还涉及一种化合物，其包括至少两个单元和最多5个式(I)、(II)和/或(III)的单元；其中R1、R2、R3、X、L1和L2的含义与权利要求书中定义的含义相同。本发明还涉及制备所述组合物和所述化合物的方法，以及包括或使用所述组合物和化合物的材料、物品和聚合物，以及其用途。
• Polycarbonates Derived from Green Acids: Ring-Opening Polymerization of Seven-Membered Cyclic Carbonates
  作者：Pierre Brignou、Marcelo Priebe Gil、Osvaldo Casagrande、Jean-François Carpentier、Sophie M. Guillaume

  DOI：10.1021/ma1014098

  日期：2010.10.12

  70%) upon cyclization of the corresponding α,ω-diols issued from green renewable acids. (“Immortal”) ring-opening polymerization of these monomers has been carried out using various catalysts combined with an alcohol acting as a co-initiator and a chain transfer agent. The Lewis acid Al(OTf)3, the organometallic complexes [(BDIiPr)Zn(N(SiMe3)2)] ((BDIiPr) = 2-((2,6-diisopropylphenyl)amido)-4-((2,6-di

  甲基取代的七元环碳酸酯（7CC），即4-甲基-和5-甲基-1,3-二氧戊环-2-一酮（α-Me7CC和β-Me7CC），已经以高收率合成（最高70％）由绿色可再生酸发出的相应α，ω-二醇环化后。这些单体的（“不重要的”）开环聚合反应是通过使用各种催化剂与作为助引发剂的醇和链转移剂相结合来进行的。路易斯酸Al（OTf）3，有机金属配合物[（BDI i Pr）Zn（N（SiMe 3）2）]（（BDI i Pr）= 2-（（2,6-二异丙基苯基）酰胺基）-4- （（（2,6-二异丙基苯基）-亚氨基）-2-戊烯]和[（ONOO t Bu）Y（N（SiHMe 2）2）（THF）]（ONOO t Bu =氨基-烷氧基-双（酚盐））或有机物4- N，N-二甲基氨基吡啶（DMAP），1.5.7-三氮杂双环-[4.4.0] dec-5-烯（TBD）或2-叔丁基亚氨基-2-二乙氨基-1,3-二甲基过氢-1,3
• ENVIRONMENTAL-FRIENDLY LIQUID FUEL AND PRODUCTION PROCESS THEREOF
  申请人：Beijing Jinjiao Biomass chemical industry Co., Ltd

  公开号：US20130305595A1

  公开（公告）日：2013-11-21

  The present invention discloses a liquid fuel and production process thereof, the liquid fuel comprises dialkyl carbonates with the structural formula of wherein R and R′ are same or different, and R and R′ are selected from the group consisting of C1-C8 linear chain alkyl, C3-C8 branched chain alkyl, C3-C8 naphthene base and alkyl containing furan ring. The process of the production of the liquid fuel comprises the steps of: performing a cycloaddition reaction between 2-methyl tetrahydrofuran produced by hydrogenation from furfural which is a biomass derivative and carbon dioxide to produce a cyclic carbonate (i.e. 1,4-pentanediol carbonate), then performing an ester exchange reaction between the cyclic carbonate and monohydric alcohol to produce the dialkyl carbonate. The liquid fuel produced by the present invention is clean, safe and biodegradable; it is compatible with advantages of conventional fossil-based liquid fuels and biological liquid fuels and with a wide range of applications, the process provides a new way for industrial production of the dialkyl carbonate and efficient and comprehensive utilization of biomass resources, the economic and social benefit is remarkable. The present invention discloses a liquid fuel and production process thereof, the liquid fuel comprises dialkyl carbonates with the structural formula of wherein R and R′ are same or different, and R and R′ are selected from the group consisting of C1-C8 linear chain alkyl, C3-C8 branched chain alkyl, C3-C8 naphthene base and alkyl containing furan ring. The process of the production of the liquid fuel comprises the steps of: performing a cycloaddition reaction between 2-methyl tetrahydrofuran produced by hydrogenation from furfural which is a biomass derivative and carbon dioxide to produce a cyclic carbonate (i.e. 1,4-pentanediol carbonate), then performing an ester exchange reaction between the cyclic carbonate and monohydric alcohol to produce the dialkyl carbonate. The liquid fuel produced is clean, safe and biodegradable, and the process provides a new way for industrial production of the dialkyl carbonate with remarkable economic and social benefit.

  本发明披露了一种液体燃料及其生产工艺，该液体燃料包括具有结构式的二烷基碳酸酯其中R和R'相同或不同，R和R'被选自由C1-C8线性链烷基，C3-C8支链烷基，C3-C8萘基和含有呋喃环的烷基组成的群体。该液体燃料的生产过程包括以下步骤：通过将生物质衍生物糠醛氢化产生的2-甲基四氢呋喃和二氧化碳进行环加成反应以产生环状碳酸酯（即1,4-戊二醇碳酸酯），然后通过将环状碳酸酯和单元醇进行酯交换反应以产生二烷基碳酸酯。本发明生产的液体燃料洁净、安全、可生物降解，具有常规化石燃料和生物燃料的优点，适用范围广泛，该工艺为工业生产二烷基碳酸酯和高效综合利用生物质资源提供了新的途径，具有显著的经济和社会效益。
• Magnetic recording tape
  申请人：The B.F. GOODRICH Company

  公开号：EP0122567A1

  公开（公告）日：1984-10-24

  Magnetic recording tape comprising a fiexibie substrate with magnetic particles secured to the substrate by means of a binder comprising a reaction product of a desccyanate with a blend of a chain extender and a hydroxylzerminated polycarbonate, said binder having high tensiis stength is hydrolytically stable, and is soluble in selected commercial solvents.

  磁性记录带，包括一个含磁性颗粒的基板，磁性颗粒通过粘合剂固定在基板上，粘合剂包括脱氰酸酯与扩链剂和羟基erminated聚碳酸酯混合物的反应产物。
• Modified polyoxytetramethylene glycol and processes for its production
  申请人：HODOGAYA CHEMICAL CO., LTD.

  公开号：EP0335416A2

  公开（公告）日：1989-10-04

  A modified polyoxytetramethylene glycol having a main chain with a repeating structure comprising a polyoxytetramethylene group of the formula ⁅O(CH2)4⁆n wherein n is from 3 to 28, and a dioxycarbonyl group of the formula wherein the oxytetramethylene group -O(CH2)4-constitutes from 75.5 to 99.3 mol% and the dioxycar- bony group constitutes from 24.5 to 0.7 mol%.

  一种改性聚氧四亚甲基二醇，其主链具有重复结构，包括式⁅O(CH2)4⁆n 的聚氧四亚甲基基团（其中 n 为 3 至 28）和式的二氧羰基基团。 其中氧四亚甲基-O( )4-占 75.5 至 99.3 摩尔%，二氧羰基占 24.5 至 0.7 摩尔%。