Cefuroxime in the form of a salt with n-butylamine; and its use for the production of cefuroxime axetil or for the production of the sodium salt of cefuroxime.
头孢噻肟以n-丁基胺的盐形式存在;以及其用于生产头孢噻肟乙酰酯或生产头孢噻肟的钠盐。
Process for the preparation of cefuroxime sodium
申请人:Orchid Chemicals & Pharmaceuticals Limited
公开号:US20040092735A1
公开(公告)日:2004-05-13
The present invention relates to an improved process for the preparation of the sterile cefuroxime sodium of formula (I).
1
本发明涉及一种改进的制备式(I)无菌头孢唑钠的过程。
PROCESS FOR THE PREPARATION OF 3-HYDROXYPICOLINIC ACIDS
申请人:DOW AGROSCIENCES LLC
公开号:US20160009647A1
公开(公告)日:2016-01-14
4,6-Dibromo-3-hydroxypicolinate esters are prepared from furan-2-yl aminoacetates in one chemical step by use of a bromination-rearrangement reaction.