| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method for producing a high-purity 4-amino-5-chloro-2-ethoxy-N-[[4-(4-fluorobenzyl)-2-morpholinyl]methyl]benzamide citric acid salt dehydrate, which produces less by-product. <P>SOLUTION: The method for producing a 4-amino-5-chloro-2-ethoxy-N-[[4-(4-fluorobenzyl)-2-morpholinyl]methyl]benzamide citric acid salt dehydrate includes reacting 4-amino-5-chloro-2-ethoxy-N-[[4-(4-fluorobenzyl)-2-morpholinyl]methyl]benzamide and citric acid at ≥30°C and ≤70°C in a mixed solvent of water and a water-soluble organic solvent. <P>COPYRIGHT: (C)2012,JPO&INPIT |
