2-methyl-5-(propylthio)-1,3,4-thiadiazole

• 分子结构分类: 有机化合物 - 有机硫化合物 - 硫醚类
• 英文名称: 2-methyl-5-(propylthio)-1,3,4-thiadiazole
• 英文别名: 2-Methyl-5-propylsulfanyl-1,3,4-thiadiazole
• 化学式: C₆H₁₀N₂S₂
• 分子量: 174.291
• InChiKey: BQOFWUAAGVUQIT-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.5
• 重原子数：
  10
• 可旋转键数：
  3
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.67
• 拓扑面积：
  79.3
• 氢给体数：
  0
• 氢受体数：
  4

反应信息

• 作为产物：
  描述：

  溴丙烷 、 2-巯基-5-甲基-1,3,4-噻二唑 在 potassium hydroxide 作用下， 以 乙醇 为溶剂， 反应 6.0h， 以48%的产率得到2-methyl-5-(propylthio)-1,3,4-thiadiazole
  参考文献：
  名称：

  使用钯（II）-噻二唑催化剂对末端烯烃进行区域选择性乙酰氧基化

  摘要：

  我们介绍了第一个钯（II）-噻二唑-配体催化体系，采用1,3,4-噻二唑衍生物作为配体，以优异的区域和立体选择性实现末端烯烃的酯化。这项工作意义重大，因为它代表了1,3,4-噻二唑在有机合成中的首次应用。此外，它还具有令人满意的产率，温和的反应条件。

  DOI：

  10.1002/ejoc.201900128

文献信息

• Regioselective Acetoxylation of Terminal Olefins Using a Palladium(II)-Thiadiazole Catalyst
  作者：Xiaohan Li、Bin Sun、Jiadi Zhou、Can Jin、Chuangming Yu

  DOI：10.1002/ejoc.201900128

  日期：2019.4.24

  We have presented the first palladium(II)‐thiadiazole‐ligand catalytic system, employing 1,3,4‐thiadiazole derivative as ligand to achieve the esterification of terminal olefin with excellent regio‐ and stereoselectivity. This work is significant in that it represented the first application of 1,3,4‐thiadiazole in organic synthesis. Furthermore, it was also featured by its satisfied yields, mild reaction

  我们介绍了第一个钯（II）-噻二唑-配体催化体系，采用1,3,4-噻二唑衍生物作为配体，以优异的区域和立体选择性实现末端烯烃的酯化。这项工作意义重大，因为它代表了1,3,4-噻二唑在有机合成中的首次应用。此外，它还具有令人满意的产率，温和的反应条件。
• The Allylic Acetoxylation of 1,1-Disubstituted Alkenes Catalyzed by a Palladium(II)/Monothiadiazole Ligand System
  作者：Xiaohan Li、Bin Sun、Jin Yang、Xun Zhang、Jiayang Wang、Xiaohui Zhuang、Can Jin、Chuangming Yu

  DOI：10.1055/s-0037-1611560

  日期：2019.7

  A palladium(II)/monothiadiazole ligand catalytic system and its application in catalyzing the acetoxylation of 1,1-disubstituted alkenes have been developed. With this newly designed monothiadiazole thioether ligand, the reaction showed a broad scope with respect to 1,1-disubstituted olefins, giving the corresponding products in yields of 30–86%.

  开发了钯(II)/单噻二唑配体催化体系及其在催化1,1-二取代烯烃乙酰氧基化中的应用。使用这种新设计的单噻二唑硫醚配体，该反应在 1,1-二取代烯烃方面表现出广泛的反应范围，以 30-86% 的产率得到相应的产物。
• [EN] CEPHALOSPORIN COMPOSITIONS AND METHODS OF MANUFACTURE<br/>[FR] COMPOSITIONS DE CÉPHALOSPORINE ET PROCÉDÉS DE FABRICATION
  申请人：CUBIST PHARM INC

  公开号：WO2014152763A1

  公开（公告）日：2014-09-25

  Provided herein is a method for the synthesis of cephalosporin antibiotic compounds comprising the conversion of a protected 7-amino group into a 7-carboxamide moiety in a single step.

  本文提供了一种合成头孢菌素抗生素化合物的方法，包括将保护的7-氨基团一步转化为7-羧酰胺基团。
• PEST CONTROL AGENT CONTAINING NOVEL PYRIDYL-METHANAMINE DERIVATIVE OR SALT THEREOF
  申请人：Kimura Hirohiko

  公开号：US20100160326A1

  公开（公告）日：2010-06-24

  A novel pesticide is provided. The present invention provides a pesticide containing, as an active ingredient, a pyridyl-methanamine derivative represented by the formula (I) or its salt: wherein R 1 is hydrogen, alkyl, alkenyl, alkynyl, aryl, a heterocyclic group, etc.; each of R 2 and R 3 which are independent of each other, is hydrogen, halogen, cyano, nitro, alkyl, cycloalkyl, alkenyl, alkynyl, aryl, a heterocyclic group, etc.; R 4 is trifluoromethyl or chlorodifluoromethyl; R 5 is hydrogen, halogen, cyano, nitro, alkyl, etc.; each of R 6 and R 7 which are independent of each other, is hydrogen, cyano, alkyl, haloalkyl, etc.; R 8 is alkyl, cycloalkyl, alkoxyalkyl, alkoxyalkoxyalkyl, hydroxyalkyl, halogen, haloalkyl, cyano, nitro, etc.; and n is an integer of from 0 to 4.

  本发明提供了一种新型杀虫剂。该杀虫剂含有以下式(I)或其盐所表示的吡啶基甲胺衍生物作为活性成分：其中R1为氢、烷基、烯基、炔基、芳基、杂环基等；R2和R3分别独立地为氢、卤素、氰基、硝基、烷基、环烷基、烯基、炔基、芳基、杂环基等；R4为三氟甲基或氯二氟甲基；R5为氢、卤素、氰基、硝基、烷基等；R6和R7分别独立地为氢、氰基、烷基、卤代烷基等；R8为烷基、环烷基、烷氧基烷基、烷氧基烷氧基烷基、羟基烷基、卤素、卤代烷基、氰基、硝基等；n为0到4的整数。
• Design and development of 1,3,4-thiadiazole based potent new nano-fungicides
  作者：Suprabhat Pal、Vikrant Singh、Rajesh Kumar、Robin Gogoi

  DOI：10.1016/j.molstruc.2020.128507

  日期：2020.11

  Being the important organic reaction intermediates and biological scaffolds, a series of 2-alkyl/aralkyl/ heterocyclyl sulfanyl-5-amino/methyl-1,3,4-thiadiazoles have been synthesized by suitable synthetic route and characterized by analytical and spectral data. The evaluation of these compounds for their bioefficacy against two phyto-pathogenic fungi revealed their fungicidal potency against Rhizoctonia bataticola (ED50 values, 3.9-300.4 mu g/mL) and Rhizoctonia solani (ED50 values, 4.2-228.5 mu g/mL). To further augment their fungicidal efficacy, the potent five fungicidal compounds were nano-sized. The protocol for preparing 1,3,4-thiadiazole based nano-fungicide employing polyethylene glycol was developed and standardized. Characterization of nano-forms of 1,3,4-thiadiazole derivatives by particle size analyzer and electron microscopy (TEM) techniques confirmed the <100 nm average particle sizes of all nano-fungicides. The 2-4 times higher fungicidal activity was observed with nano-forms than the corresponding conventional sized 1,3,4-thiadiazole derivatives against phytopathogenic fungi, namely, Rhizoctonia solani and R. bataticola. (C) 2020 Elsevier B.V. All rights reserved.