2136287-66-4Relevant articles and documents
Compound for preparing baloxavir or derivatives thereof as well as preparation method and application of compound
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, (2021/02/10)
The invention relates to a preparation method of a compound shown as a formula VIII for preparing baloxavir or derivatives thereof, a compound shown as a formula I for preparing the compound shown asthe formula VIII and a preparation method of the compound shown as the formula I. The compound shown as the formula I is used for preparing the compound shown as the formula VIII, the baloxavir or thederivative thereof. The preparation method is simple and convenient to operate, and the raw materials are easily available and low in cost; reaction conditions are mild, and the method is safe and environment-friendly; side reactions are few, and the product purity is high; and the quality is controllable, and the method is suitable for industrial production.
Preparation method of sulfur-containing hetero-seven-membered ring compound
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Paragraph 0043-0044; 0059-0063, (2021/06/13)
The invention relates to a preparation method of a sulfur-containing hetero-seven-membered ring compound. The method comprises the following steps: carrying out halogenation reaction, nucleophilic substitution, acylation, cyclization, reduction and the li
Preparation method of balosavir intermediate
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Paragraph 0019; 0021, (2021/02/13)
The invention discloses a preparation method of a balosavir intermediate, and particularly relates to a method for efficiently synthesizing 7, 8-difluorodibenzo[B, E]thieno-11(6H)one by taking 2, 3-difluorotoluene as a raw material through three steps of