Cefdinir preparation by synthesis of new key intermediates, isolable as variously solvated species complexed with thiophosphoric acid derivatives or with phosphoric acid derivatives.
[EN] PROCESS FOR THE PREPARATION OF CEFDINIR<br/>[FR] PROCEDE DE FABRICATION DE CEFDINIR
申请人:RANBAXY LAB LTD
公开号:WO2003091261A1
公开(公告)日:2003-11-06
The present invention relates to a process for the preparation of cefdinir on an industrial scale.
本发明涉及一种用于工业规模制备头孢地尼尔的方法。
Process for the preparation of cefdinir
申请人:Kansal Kumar Vinod
公开号:US20070244315A1
公开(公告)日:2007-10-18
The invention relates to processes for preparing cefdinir via its potassium and cesium salts.
这项发明涉及通过其钾盐和铯盐制备头孢地尼的工艺。
Crystalline form of cefdinir cesium salt
申请人:Kansal Kumar Vinod
公开号:US20070191602A1
公开(公告)日:2007-08-16
Provided is the cesium salt of cefdinir, processes for its preparation and its use in the preparation of cefdinir.
提供了头孢噻呋的铯盐,其制备方法以及在头孢噻呋制备中的使用。
CEFDINIR ACID DOUBLE SALT AND METHOD FOR PRODUCING THE SAME
申请人:QI Youmao
公开号:US20110257388A1
公开(公告)日:2011-10-20
A compound represented by Formula I, wherein M represents Na
+
, K
+
, NH4
+
, or Cs
+
; and 1) when Y represents SO
4
2−
: when m=1, then n=1; and when m=0.5, then n=1.5; and 2) when Y represents PO
4
2−
, when m=1, then n=2. The compound has good solubility and high bioavailability and can be formulated into oral pharmaceutical preparations and pharmaceutical preparations for injections.