发明名称 |
OXIDATION REACTION WITH EXCELLENT CONVERSION RATE |
摘要 |
A process for preparing 3-[(S)-7-bromo-2-(2-oxo-propylamino)-5-pyridin-2-yl-3H-1,4,-benzodiazepin-3-yl]propionic acid methyl ester at a high conversion rate with good reproducibility by oxidizing 3-[(S)-7-bromo-2-(2-hydroxy-propylamino)-5-pyridin-2-yl-3H-benzo[e][1,4]diazepin-3-yl]propionic acid methyl ester in the presence of an oxidation catalyst is provided by defining the ammonium ion content of 3-[(S)-7-bromo-2-(2-hydroxy-propylamino)-5-pyridin-2-yl-3H-benzo[e][1,4]diazepin-3-yl]propionic acid methyl ester. |
申请公布号 |
HK1212991(A1) |
申请公布日期 |
2016.06.24 |
申请号 |
HK20160101062 |
申请日期 |
2016.01.29 |
申请人 |
PAION UK LIMITED |
发明人 |
KAWAKAMI, YUJI;MURASE, TATSUSHI;TANAKA, DAISUKE;YOSHIYAMA, HIDEYUKI;KUWABE, SHINITSU |
分类号 |
C07D;A61K;A61P;B01J;C07B |
主分类号 |
C07D |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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