[EN] PROCESS FOR THE PREPARATION OF ENANTIOMERICALLY ENRICHED ISOXAZOLINE COMPOUNDS - CRYSTALLINE TOLUENE SOLVATE OF (S)-AFOXOLANER<br/>[FR] PROCÉDÉ DE PRÉPARATION DE COMPOSÉS D'ISOXAZOLINE ÉNANTIOMÉRIQUEMENT ENRICHIS ET DE SOLVATE DE TOLUÈNE CRISTALLIN DE (S)-AFOXOLANER
申请人:MERIAL INC
公开号:WO2017176948A1
公开(公告)日:2017-10-12
This invention relates to processes for the preparation of antiparasitic isoxazoline compounds enriched in an enantiomer using quinine- based chiral phase transfer catalysts. The invention also relates to novel quinine-based phase transfer catalysts and to a crystalline toluene solvate form of (S)-afoxolaner.
这项发明涉及使用奎宁基手性相转移催化剂制备富含一个对映体的抗寄生虫异噁唑烷化合物的过程。该发明还涉及新型奎宁基相转移催化剂以及(S)-氧氟咪唑的结晶甲苯溶剂化合物形式。