1,3-diphenyl-5-(3-methylbut-2-enylsulfanyl)-1H-pyrazole-4-carbaldehyde | 432491-38-8

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 唑类
• 英文名称: 1,3-diphenyl-5-(3-methylbut-2-enylsulfanyl)-1H-pyrazole-4-carbaldehyde
• 英文别名: 5-(3-Methylbut-2-enylsulfanyl)-1,3-diphenylpyrazole-4-carbaldehyde
• CAS: 432491-38-8
• 化学式: C₂₁H₂₀N₂OS
• 分子量: 348.469
• InChiKey: WFWLBZPKIOQODB-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  5.4
• 重原子数：
  25
• 可旋转键数：
  6
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.14
• 拓扑面积：
  60.2
• 氢给体数：
  0
• 氢受体数：
  3

反应信息

• 作为反应物：
  描述：

  对乙氧基苯胺 、 1,3-diphenyl-5-(3-methylbut-2-enylsulfanyl)-1H-pyrazole-4-carbaldehyde 在 bismuth(III) chloride 作用下， 以 乙腈 为溶剂， 反应 1.0h， 以78%的产率得到6,6-dimethyl-1,3-diphenyl-8-ethoxy-3,5,5a,6,11,11a-hexahydropyrazolo[4',3':5,6]thiopyrano[4,3-b]quinoline
  参考文献：
  名称：

  BiCl3 催化的非对映选择性分子内 [4+2] 环加成反应导致吡唑环化新硫杂环

  摘要：

  摘要 苯胺原位生成的 N-芳基亚胺与吡唑醛的 S-烯丙基衍生物在催化量的 BiCl3 存在下进行分子内 [4+2] 环加成反应，得到相应的六氢吡唑并 [4',3] ':5,6]噻喃并[4,3-b]喹啉产率极好。该反应是高度非对映选择性的，唯一的顺式产物是专门分离的。#IICT 通讯编号：020602

  DOI：

  10.1081/scc-120022482
• 作为产物：
  描述：

  1-溴-3-甲基-2-丁烯 、 5-氯-1,3-二甲基-1H-吡唑-4-甲醛 在 硫脲 、 sodium hydroxide 作用下， 以 乙醇 为溶剂， 反应 2.5h， 以31%的产率得到1,3-diphenyl-5-(3-methylbut-2-enylsulfanyl)-1H-pyrazole-4-carbaldehyde
  参考文献：
  名称：

  Diastereoselective intramolecular hetero Diels–Alder approach towards polycyclic heterocycles

  摘要：

  Several different heterocyclic aldehydes, derived from pyrazole. pyrimidine, pyridine, indole and thiazole, were converted to polyheterocyclic compounds containing four to seven rings. The key steps in the sequence were a Knoevenagel condensation of the aldehyde and a heterocyclic carbonyl compound, such as pyrazolone and isoxazolone, followed by an intramolecular hetero Diets-Alder reaction. Most final products were isolated with high yield and diastereoselecivity. The isoxazolo fused cycloadducts formed interesting spiro-adducts upon heating. The cis nature of the bridging hydrogens of the heterocycles was evidenced by X-ray diffraction analysis.(dagger) (C) 2002 Elsevier Science Ltd. All rights reserved.

  DOI：

  10.1016/s0040-4020(01)01153-x

文献信息

• Rapid synthesis of tetrahydroquinolines by indium trichloride catalyzed mono- and bis-intramolecular imino Diels–Alder reactions
  作者：Rathna Durga R.S. Manian、Jayadevan Jayashankaran、Rasappan Ramesh、Raghavachary Raghunathan

  DOI：10.1016/j.tetlet.2006.08.088

  日期：2006.10

  A rapid synthesis of mono- and bis-tetrahydropyrazolo[4′,3′:5,6]thiopyrano[4,3-b]quinolines has been achieved by the reaction of aldimines derived from aromatic amines and S-prenylated aldehydes in acetonitrile with InCl3 as a catalyst, in excellent yields and short reaction times, under mild conditions.

  通过衍生自芳族胺的醛亚胺和S-异戊醛化的乙醛在乙腈中与乙醛反应，可以快速合成单-和双-四氢吡唑并[4'，3'：5,6]硫代吡喃并[4,3- b ]喹啉InCl 3作为催化剂，在温和条件下具有极佳的收率和较短的反应时间。
• An efficient synthesis of thiopyrano[5,6-c]coumarin/[6,5-c]chromones through intramolecular domino Knoevenagel hetero Diels–Alder reactions
  作者：Jayadevan Jayashankaran、Rathna Durga R.S. Manian、Raghavachary Raghunathan

  DOI：10.1016/j.tetlet.2006.01.083

  日期：2006.3

  The synthesis of novel polycyclic thiopyrano coumarin/chromone frameworks through intramolecular domino Knoevenagel hetero Diels-Alder reactions of 4-hydroxy coumarin and its benzo-analogous with S-prenylated aromatic aldehydes was studied. A high degree of chemoselectivity was achieved by the application of microwave irradiation and a solid support. (c) 2006 Elsevier Ltd. All rights reserved.