4-butoxymethyl-1,3-dioxolane | 19921-27-8

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 二氧戊环
• 英文名称: 4-butoxymethyl-1,3-dioxolane
• 英文别名: 4-(Butoxymethyl)-1,3-dioxolane
• CAS: 19921-27-8
• 化学式: C₈H₁₆O₃
• 分子量: 160.213
• InChiKey: CROLFRRNUXXPSC-UHFFFAOYSA-N

物化性质

• 沸点：
  58 °C(Press: 4 Torr)
• 密度：
  1.0154 g/cm3

计算性质

• 辛醇/水分配系数(LogP)：
  1
• 重原子数：
  11
• 可旋转键数：
  5
• 环数：
  1.0
• sp3杂化的碳原子比例：
  1.0
• 拓扑面积：
  27.7
• 氢给体数：
  0
• 氢受体数：
  3

反应信息

• 作为产物：
  描述：

  甘油缩甲醛 、 正溴丁烷 在 sodium hydroxide 、 十二烷基二甲基苄基氯化铵 作用下， 生成 4-butoxymethyl-1,3-dioxolane
  参考文献：
  名称：

  Rachmankulov, D. L.; Zlotskij, S. S.; Rol'nik, L. S., Journal fur praktische Chemie (Leipzig 1954), 1989, vol. 331, # 4, p. 697 - 699

  摘要：

  DOI：

文献信息

• 5-Iodotetrazoles
  申请人：Uhr Hermann

  公开号：US20090036506A1

  公开（公告）日：2009-02-05

  The compounds of the formula (I) in which R 1 represents hydrogen or in each case optionally substituted alkyl, alkenyl, alkynyl or phenyl are highly suitable as microbicides for protecting plants and materials.

  式(I)中化合物，其中R1代表氢原子或在每种情况下可选地取代的烷基、烯基、炔基或苯基，非常适用于作为微生物杀菌剂，以保护植物和材料。
• PROCESS FOR PRODUCING POLYOXYMETHYLENE COPOLYMER
  申请人：MITSUBISHI GAS CHEMICAL COMPANY, INC.

  公开号：EP1876193A1

  公开（公告）日：2008-01-09

  The problem to be solved is to provide a process for producing a polyoxymethylene copolymer in a molding machine with a reduced generation of formaldehyde gas. In a process for continuously producing a polyoxymethylene copolymer comprising a step of melt-kneading a crude polyoxymethylene copolymer at a temperature not lower than the melting point thereof, devolatilizing under reduced pressure the formaldehyde gas generated as a decomposition product, subsequently mixing a formaldehyde scavenger containing a hydrazide compound (A) while keeping the copolymer in a molten state and immediately pelletizing the mixture, a dispersed solution obtained by slurry-dispersing said (A) in a diluent (B) having a melting point lower than temperature (Ta) which is the lower of the melting point and the decomposition temperature of (A), within a temperature range not lower than the melting point of (B) and lower than (Ta) is used as the formaldehyde scavenger.

  要解决的问题是提供一种在成型机中生产聚甲醛共聚物的工艺，该工艺可减少甲醛气体的产生。在一种连续生产聚甲醛共聚物的工艺中，包括以下步骤：在不低于熔点的温度下对粗聚甲醛共聚物进行熔融捏合，在减压下使作为分解产物产生的甲醛气体脱溶，随后在保持共聚物处于熔融状态的同时混合含有酰肼化合物（A）的甲醛清除剂，并立即对混合物进行造粒、将所述 (A) 在稀释剂 (B) 中进行浆状分散而得到的分散溶液用作甲醛清除剂，稀释剂 (B) 的熔点低于 (A) 的熔点和分解温度中较低的温度 (Ta)，温度范围不低于 (B) 的熔点且低于 (Ta)。
• PROCESS FOR PRODUCTION OF OXYMETHYLENE COPOLYMERS
  申请人：Mitsubishi Gas Chemical Company, Inc.

  公开号：EP2050774A1

  公开（公告）日：2009-04-22

  The present invention relates to a process for producing an oxymethylene copolymer comprising the step of continuously polymerizing trioxane (as a component A) with a cyclic ether and/or a cyclic formal (as a component B) having a ring structure containing at least one carbon-to-carbon bond in a polymerization reaction system in the presence of a cationic polymerization catalyst, wherein a glycidyl compound and/or an alcohol (as a component C) is intermittently fed to a polymerization raw material or the polymerization reaction system containing at least one of the components A and B at latest until an initial stage of the polymerization reaction under the following conditions (1), (2) and (3): (1) A ratio of a feed time (t) for intermittently feeding the component C to a feed time (T) for feeding the component A to the polymerization reaction system is from 1/600 to 1/6; (2) an amount of the component C fed over the feed time (t) is from 0.4 to 50 mmol per 1 mol of the component A; and (3) a whole amount of the component C fed is from 0.0004 to 0.5 mmol per 1 mol of the component A.

  本发明涉及一种生产氧亚甲基共聚物的工艺，该工艺包括以下步骤：在阳离子聚合催化剂存在下，在聚合反应体系中连续聚合三氧杂环己烷（作为组分A）与环状醚和/或环状醛（作为组分B），环状醚和/或环状醛具有至少含有一个碳-碳键的环状结构、 其中缩水甘油化合物和/或醇（作为组分 C）在以下条件（1）、（2）和（3）下间歇地加入到聚合原料或含有至少一种组分 A 和 B 的聚合反应体系中，最迟至聚合反应的初始阶段： (1) 间歇向聚合反应体系加入组分 C 的进料时间 (t) 与加入组分 A 的进料时间 (T) 之比为 1/600 至 1/6； (2) 在进料时间（t）内进料的 C 组分的量为每 1 摩尔 A 组分 0.4 至 50 毫摩尔；以及 (3) 每 1 摩尔 A 组分 C 的全量为 0.0004 至 0.5 毫摩尔。
• LOW-FISHEYE POLYACETAL RESIN
  申请人：Mitsubishi Gas Chemical Company, Inc.

  公开号：EP2305725A1

  公开（公告）日：2011-04-06

  The present invention provides a polyacetal resin which has excellent spinnability and excellent moldability with little optical unevenness when it is molded into a film or a sheet. The present invention provides a polyacetal resin in which the number of fisheyes having a maximum length of 30 µm or longer is 100 or less per 25 cm2 when it is measured using a film having a thickness of 30 µm.

  本发明提供了一种聚缩醛树脂，当它被模塑成薄膜或片材时，具有极佳的可纺性和极佳的可模塑性，几乎没有光学不均匀性。本发明提供了一种聚缩醛树脂，在使用厚度为 30 微米的薄膜进行测量时，其最大长度为 30 微米或更长的鱼眼数量为每 25 平方厘米 100 个或更少。
• METHOD FOR PRODUCING POLYDIOXOLANE
  申请人：Mitsubishi Gas Chemical Company, Inc.

  公开号：EP3020741A1

  公开（公告）日：2016-05-18

  The present invention provides a method for producing a polydioxolane, which includes polymerizing a 1,3-dioxolane compound represented by the formula (1) in the presence of a cationic catalyst and a sterically hindered phenol in an amount of 10 to 1,500 ppm, based on the 1,3-dioxolane compound. In the formula (1), R1 to R6 are the same or difference and each independently represents a hydrogen atom, an alkyl group, an aryl group, a hydroxyalkyl group, an alkyloxy group, or an aryloxy group.

  本发明提供了一种生产聚二氧戊环的方法，该方法包括在阳离子催化剂和立体受阻酚的存在下，以1,3-二氧戊环化合物为基准，聚合式(1)所代表的1,3-二氧戊环化合物，聚合量为10至1,500ppm。在式 (1) 中，R1 至 R6 相同或不同，各自独立地代表氢原子、烷基、芳基、羟烷基、烷氧基或芳氧基。