(R)-(-)-扁桃酸甲酯 、
Methyl 7-(3-aminomethyl-3-fluoromethylpyrrolidin-1-yl)-1-cyclopropyl-6-fluoro-1,4-dihydro-8-methoxy-4-oxo-3-quinolinecarboxylate 在
甲醇 、
氯仿 、
水 作用下,
以
甲醇 为溶剂,
反应 72.0h,
以to give 1.1 g of the object compound, melting point 150°-152° C., optical purity not less than 95% ee (HPLC)的产率得到Methyl (S)-(+)-7-(3-aminomethyl-3-fluoromethylpyrrolidin-1-yl)-1-cyclopropyl-6-fluoro-1,4-dihydro-8-methoxy-4-oxo-3-quinolinecarboxylate