Process for preparing benzo selenophen compound by catalytic method

A technology of benzoselenophene and compounds, which is applied in the field of preparation of heterocyclic compounds, can solve the problems of low reaction yield, high cost, and expensive Se-containing compounds, and achieve simple operation, short reaction cycle, and good scalability Effect
CN110483476AActive Publication Date: 2019-11-22SHAOXING UNIVERSITY
2 Cites 4 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SHAOXING UNIVERSITY
Publication Date
2019-11-22

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The invention provides a process for preparing a benzo selenophen compound by a catalytic method, and belongs to the technical field of heterocyclic compound preparation. The method comprises the following steps of in the presence of an acidic solvent, taking the silver oxide as a catalyst and a 2-ethynylbenzyl selenide derivative as a raw material, completely reacting at (10-40) DEG C in one step, neutralizing, extracting and spin-drying to obtain a crude product, and carrying out column chromatography separation to obtain the high-quality benzo selenophen compound. The preparation steps aresimple and short, the reaction conditions are mild, the product yield is high, the cost is low, and a universal new method is provided for the preparation of the benzo-selenophen compound.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The application relates to a process for preparing benzoselenophene compounds by a catalytic method, which belongs to the technical field of preparation of heterocyclic compounds. Background technique

[0002] As one of the simplest five-membered aromatic heterocycles, selenophene has important applications in organic synthesis, conductive materials and nonlinear optical materials. As an important derivative of selenophene, benzoselenophene has a good application prospect in the synthesis of new materials such as liquid crystal polymers and superconductors.

[0003] The present invention reports a new method for synthesizing benzoselenophene compounds using 2-ethynyl benzyl selenide derivatives as raw materials. At present, the common preparation methods using this compound as a raw material are as follows:

[0004] (1) Using 2-ethynyl phenyl selenide derivatives as raw materials, dichloromethane or chloroform as a solvent, and halogen (bromine or io...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More