Synthesis and Biological Activities of the Optical Isomers of ( .+-. )-4-Amino-5-chloro-2-ethoxy-N-((4-(4-fluorobenzyl)-2-morpholinyl)methyl)benzamide (Mosapride).
作者:Toshiya MORIE、Shiro KATO、Hiroshi HARADA、Naoyuki YOSHIDA、Jun-ichi MATSUMOTO
DOI:10.1248/cpb.42.877
日期:——
N-[[4-(4-fluorobenzyl)-2-morpholinyl]methyl]benzamide (mosapride) [(+/-)-1], a new and selective gastroprokinetic agent, were prepared from optically active [4-(4-fluorobenzyl)-2-morpholinyl]methylamines (S)-(-)-4 and (R)-(+)-4, respectively. The requisite (S)-(-)-4 and (R)-(+)-4 were prepared by optical resolution of [4-(4-fluorobenzyl)-2-morpholinyl]methyl p-toluenesulfonate [(+/-)-5] using (-)-
(+/-)-4-氨基-5-氯-2-乙氧基-N-[[4-(4)的对映异构体(S)-(-)-1和(R)-(+)-1用光学活性的[4-(4-氟苄基)-2-吗啉基]甲胺制备了一种新型的选择性胃肠动力药---氟苄基)-2-吗啉基]甲基]苯甲酰胺(mosapride)[(+/-)-1]。 (S)-(-)-4和(R)-(+)-4。通过[4-(4-氟苄基)-2-吗啉基]对甲苯磺酸甲酯[(+/-)的光学拆分,制备了必需的(S)-(-)-4和(R)-(+)-4 -5]使用(-)-和(+)-N-(对甲苯磺酰基)谷氨酸,然后胺化(R)-(-)-5和(S)-(+)-5的甲苯磺酰基, 分别。(R)-(-)-5和(S)-(+)-5的绝对构型是基于(S)-(+)的(R)-(-)-5不对称合成而确定的-苄基缩水甘油醚[(S)-(+)-11]。莫沙必利及其对映体(S)-(-)-1和(R)-(+)-1,