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Publication No: EP4622975 [Europe] Application No: EP2023894140
Title: A process for the preparation of ledipasvir
Publication Date: 01-10-2025 File Date: 24-11-2023
Inventor(s): Gangarajula, Sudhakar; Chennam, Ramu; Kumaraguru, Thenkrishnan; Baburao Rode, Haridas; Maddi Reddy, Sridhar; Chada Reddy, Raji; Ghosh, Subhash
IPC Classification: C07D047108, C07C027122, C07D040304, C07D040314
Abstract:
The present disclosure relates to process for the preparation of Ledipasvir (I) or of its pharmaceutically acceptable salts. The present disclosure also provides novel intermediates (IV–XI) that are used in the synthesis of Ledipasvir. The main strategies of the present invention are late-stage functionalization such as difluorination and cyclopropanation of the key intermediates of Ledipasvir (I).
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Industrial Applications Chemistry, Chemical Processes Polymers [Chemistry, Chemical Processes] Synhtesis Procesess [Drugs and Pharmaceuticals]