2. Phosphate A (2R) - crystal A (3-amino-2-fluopropil) phosphoric acid process, including the treatment of acidic (2R) ammonia salts (3-tri-butoxycarbonyl amino-2-fluorophosphate containing polar solvent salts, pH adjusted to 5-6, adding solvent resistance, cooling and separation;

摘要

1. Phosphoric acid (2R) - A (3-amino-2-fluoropropil) phosphoric acid preparation process, including the treatment of (2R) (3 - [tert butoxcarbonil] amine) ammonium salt-2-fluorophosphoric acid-1 containing an acidic polar solvent, pH adjustment between 5-6, removal of organic salts, addition of a solvent, endrin and the separation.