Di-(α-Tetrahydropyranyloxy)-1,3-propan | 79011-42-0

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 氧烷类
• 英文名称: Di-(α-Tetrahydropyranyloxy)-1,3-propan
• 英文别名: 2H-Pyran, 2,2'-[1,3-propanediylbis(oxy)]bis[tetrahydro-；2-[3-(oxan-2-yloxy)propoxy]oxane
• CAS: 79011-42-0
• 化学式: C₁₃H₂₄O₄
• 分子量: 244.331
• InChiKey: MUDKWYCDWVOGBH-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2
• 重原子数：
  17
• 可旋转键数：
  6
• 环数：
  2.0
• sp3杂化的碳原子比例：
  1.0
• 拓扑面积：
  36.9
• 氢给体数：
  0
• 氢受体数：
  4

反应信息

• 作为产物：
  描述：

  3,4-二氢-2H-吡喃 、 1,3-丙二醇 生成 Di-(α-Tetrahydropyranyloxy)-1,3-propan
  参考文献：
  名称：

  NISHIGUCHI, TAKESHI;KAWAMINE, KATSUMI, J. CHEM. SOC. CHEM. COMMUN.,(1990) N4, C. 1766-1767

  摘要：

  DOI：

文献信息

• Polystyrene-supported GaCl3: A new, highly efficient and recyclable heterogeneous Lewis acid catalyst for tetrahydropyranylation of alcohols and phenols
  作者：Ali Rahmatpour

  DOI：10.1016/j.poly.2012.06.063

  日期：2012.8

  highly chemoselective method for tetrahydropyranylation of alcohols and phenols with 3,4-dihydro-2H-pyran (DHP) in the presence of polystyrene-supported gallium trichloride (PS/GaCl3) as a highly active and reusable heterogeneous Lewis acid catalyst at room temperature is presented. In this catalytic system, primary, secondary and tertiary alcohols, as well as phenols, were converted to the corresponding

  在聚苯乙烯负载的三氯化镓（PS / GaCl 3）存在下，用3,4-二氢-2 H-吡喃（DHP）对醇和酚进行四氢吡喃基化的一种新的，简单且高度化学选择性的方法）是在室温下具有高活性和可重复使用的非均相路易斯酸催化剂。在该催化体系中，伯，仲和叔醇以及苯酚以短的反应时间和高收率转化为相应的四氢吡喃基（THP）醚。异质催化剂在吡喃基化反应中具有高可重复使用性和稳定性，并且被回收了数次，其活性损失可忽略不计且催化剂浸出可忽略不计，并且也不需要再生。该方法对对称二醇的单四氢吡喃基化反应也显示出良好的化学选择性。
• Silica‐Gel‐Supported Aluminium Chloride: A Stable, Efficient, Selective, and Reusable Catalyst for Tetrahydropyranylation of Alcohols and Phenols
  作者：Kaveh Parvanak Borujeni

  DOI：10.1080/00397910600764725

  日期：2006.9

  Abstract A simple, effective, and highly chemoselective method to form 2‐tetrahydropyranyl ethers of alcohols and phenols in the presence of silica‐gel‐supported aluminium chloride as a heterogeneous Lewis acid catalyst is described. The catalyst can be easily recovered and reused without appreciable change in its efficiency.

  摘要描述了一种在硅胶负载的氯化铝作为多相路易斯酸催化剂存在下形成醇和酚的 2-四氢吡喃基醚的简单、有效和高度化学选择性的方法。催化剂可以很容易地回收和再利用，而不会明显改变其效率。
• Photochemical<i>E</i>(<i>trans</i>)–<i>Z</i>(<i>cis</i>) Isomerization in 9-Anthraceneacrylic Esters
  作者：Majjigapu Janaki Ram Reddy、Uppalanchi Srinivas、Kolupula Srinivas、Vummadi Venkat Reddy、Vaidya Jayathirtha Rao

  DOI：10.1246/bcsj.75.2487

  日期：2002.11

  Several (1–6) 9-anthraceneacrylic esters were synthesized in order to study photochemical E(trans)–Z(cis) isomerization. All of the compounds 1–6 underwent selective E-to-Z isomerization upon direct excitation (> 400 nm) in organic solvents, leading to the formation of a thermodynamically less stable Z isomer over 96%. Triplet sensitized isomerization selectively produces the Z-to-E isomer in over

  为了研究光化学 E(trans)-Z(cis) 异构化，合成了几种 (1-6) 9-蒽丙烯酸酯。在有机溶剂中直接激发（> 400 nm）后，所有化合物 1-6 都经历了选择性 E-to-Z 异构化，导致形成超过 96% 的热力学稳定性较差的 Z 异构体。三重敏化异构化选择性地产生超过 98% 的 Z-to-E 异构体。在三重敏化 Z-to-E 异构化过程中观察到更高的异构化量子产率告诉我们，“量子链”过程正在运行。所有化合物的荧光数据表明 E-to-Z 异构化过程涉及电荷转移或极性单线激发态。
• Highly selective monotetrahydropyranylation of symmetrical diols catalysed by a strongly acidic ion-exchange resin
  作者：Takeshi Nishiguchi、Masahumi Kuroda、Masahiko Saitoh、Akiko Nishida、Shizuo Fujisaki

  DOI：10.1039/c39950002491

  日期：——

  Several primary and secondary symmetrical diols, ranging from propane-1,3-diol to decane-1,10-diol, are selectively monoprotected by monotetrahydropyranyl ether formation catalysed by a strongly acidic ion-exchange resin (Dowex 50w × 2, 50–100 mesh) in a 3,4-dihydro-2H-pyran-hydrocarbon mixture.

  几个选自丙二醇-1,3至癸二醇-1,10的主、次对称二醇，在强酸性离子交换树脂（Dowex 50w× 2，50-100目）催化下，以3,4-二氢-2H-吡喃-烃混合物为介质，发生单四氢吡喃醚选择性单保护反应。
• Chemoselective tetrahydropyranylation of alcohols and phenols using polystyrene supported aluminium chloride as a catalyst
  作者：Bahman Tamami、Kaveh Parvanak Borujeny

  DOI：10.1016/j.tetlet.2003.11.056

  日期：2004.1

  A simple, efficient and highly chemoselective method for tetrahydropyranylation of alcohols and phenols has been developed by their reaction with 3,4-dihydro-2H-pyran at room temperature in the presence of a catalytic amount of polystyrene supported AlCl3. The method is also highly selective for monoprotection of symmetrical diols.

  通过在室温下在催化量的聚苯乙烯负载的AlCl 3存在下，它们与3,4-二氢-2 H-吡喃反应，开发了一种简单，有效且高度化学选择性的醇和酚四氢吡喃基化方法。该方法对于对称二醇的单保护也是高度选择性的。