This invention relates to a method for the manufacture of optically pure (S)-6-chloro-(cyclopropylethynyl)-1,4-dihydro-4-(trifluoromethyl)-2H-3,1-benzoxazin-2-one. Specifically, this invention relates to a flow synthesis method for the manufacture of (S)-6-chloro-(cyclopropylethynyl)-1,4-dihydro-4-(trifluoromethyl)-2H-3,1-benzoxazin-2-one.
本发明涉及光学纯(S)-6-
氯-(环丙基
乙炔基)-1,4-二氢-4-(三
氟甲基)-2H-3,1-苯并恶嗪-2-酮的制造方法。具体而言,本发明涉及一种生产(S)-6-
氯-(环丙基
乙炔基)-1,4-二氢-4-(三
氟甲基)-2H-3,1-苯并恶嗪-2-酮的流程合成方法。