发明名称 |
Nitrogen containing compounds and their use |
摘要 |
Compounds of Formula (I), their preparation and use in preventing or treating bacterial infections are disclosed.; |
申请公布号 |
US8969567(B2) |
申请公布日期 |
2015.03.03 |
申请号 |
US201414274687 |
申请日期 |
2014.05.10 |
申请人 |
Wockhardt Ltd. |
发明人 |
Patil Vijaykumar Jagdishwar;Tadiparthi Ravikumar;Birajdar Satish;Bhagwat Sachin |
分类号 |
C07D221/22;C07D471/08;C07D211/60 |
主分类号 |
C07D221/22 |
代理机构 |
Bio Intellectual Property Services LLC (Bio IPS) |
代理人 |
Bio Intellectual Property Services LLC (Bio IPS) ;Zaghmout O. (Sam) |
主权项 |
1. A process for preparation of a compound of Formula (I), said process comprising: a) converting a compound of Formula (II) to a compound of Formula (III); b) reacting a compound of Formula (III) with di-tert-butyldicarbonate in presence of triethylamine and N,N-dimethylamino pyridine to obtain a compound of Formula (IV); c) reacting a compound of Formula (IV) with trifluoroacetic anhydride to obtain a compound of Formula (V); d) converting a compound of Formula (V) to a compound of Formula (VI); e) reacting a compound of Formula (VI) with O-benzylhydroxylamine hydrochloride to obtain a compound of Formula (VII); f) reacting a compound of Formula (VII) with methanesulphonic acid, followed by treatment with potassium hydrogen carbonate to obtain a compound of Formula (IX); g) converting a compound of Formula (IX) to a compound of Formula (XII); h) cyclizing a compound of Formula (XII) to obtain a compound of Formula (XIII); and i) converting a compound of Formula (XIII) to a compound of Formula (I). |
地址 |
Bandra East, Mumbai IN |