Original document(23 pages)  中文版
    This invention relates a process for preparing a compound of formula (I), wherein R<1> is para-nitrobenzyl or allyl; X is halo; as well as its isomers.
Application Number
申请号		 200580007559 Application Date
申请日		 2005.02.25
Title 名称 Process for preparing cephalosporin intermediates using alpha-iodo-1-azetidineacetic acid esters and trialkylphosphites
Publication Number
公开号		 1930173 Publication Date
公开日		 2007.03.14
Approval Pub. Date Granted Pub. Date
International Classification 分类号 C07D501/00;C07D405/12;C07D501/18;C07D501/20
Applicant(s) Name
申请人		 Pfizer Prod Inc.
Address 地址
Inventor(s) Name 发明人
Attorney & Agent 代理人 gusong li
More information 更  多  信  息


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