发明名称 |
Process for preparing triazole-containing ketolide antibiotics |
摘要 |
The invention described herein pertains to processes for the preparation of macrolide antibacterial agents. In particular, the invention pertains to processes for preparing macrolides and ketolides from erythromycin A. |
申请公布号 |
US9051346(B2) |
申请公布日期 |
2015.06.09 |
申请号 |
US201113699020 |
申请日期 |
2011.05.20 |
申请人 |
CEMPRA PHARMACEUTICALS, INC. |
发明人 |
Pereira David E. |
分类号 |
C07H17/08 |
主分类号 |
C07H17/08 |
代理机构 |
Brannon Sowers & Cracraft PC |
代理人 |
Brannon Sowers & Cracraft PC |
主权项 |
1. A process comprising (a) the step of contacting a compound of formula (III)or a salt thereof, wherein Q in combination with the oxime oxygen forms an acetal or ketal, with an acylating agent to form a compound of formula (IV)or a salt thereof, wherein R is an acyl group; or
(b) the step of contacting a compound of formula (IV), or a salt thereof, with a methylating agent, to form a compound of formula (V)or a salt thereof; or
(c) the step of contacting a compound of formula (V), or a salt thereof, with a deoximating agent to form a compound of formula (II)or a salt thereof; or
(d) any combination of (a), (b), and (c). |
地址 |
Chapel Hill NC US |