61063-03-4Relevant academic research and scientific papers
Preparation method of 7-piperazinyl benzothiophene or salt thereof
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Paragraph 0055-0057, (2020/05/14)
The invention discloses a preparation method of 7-piperazinyl benzothiophene or salt thereof, comprising the following steps: (1) carrying out substitution ring closing reaction on a compound 3 and acompound 4 to obtain a compound 5; (2) carrying out hydr
Method for preparing benzothiophene derivative
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Paragraph 0082-0084, (2020/05/14)
The invention relates to a method for preparing a benzothiophene derivative. The method comprises the following steps: taking 7-nitrothiophene as a raw material, and forming a thiophene derivative through nucleophilic substitution. The method provided by the invention has the advantages of mild reaction conditions, simple operation, controllable post-treatment and convenient quality control, and is beneficial to large-scale industrial production.
