发明名称 METHOD AND DEVICE FOR THE SYNTHESIS OF ARTEMISININ
摘要 The present invention is directed to a method for producing artemisinin having the formula;;from dihydroartemisinic acid in a continuous flow reactor using singlet oxygen as well as to the continuous flow reactor for producing artemisinin.
申请公布号 US2014364630(A1) 申请公布日期 2014.12.11
申请号 US201214241584 申请日期 2012.08.29
申请人 Seeberger Peter H.;Kopetzki Daniel;Levesque Francois 发明人 Seeberger Peter H.;Kopetzki Daniel;Levesque Francois
分类号 C07D321/10;B01J19/08 主分类号 C07D321/10
代理机构 代理人
主权项 1. A method for producing artemisinin from dihydroartemisinic acid comprising the following steps: A) providing dihydroartemisinic acid represented by the following formula B) performing in a continuous flow reactor the following reactions i) photooxidation of dihydroartemisinic acid with singlet oxygen,ii) followed by an acid mediated cleavage, andiii) subsequent oxidation with triplet oxygen in order to obtain artemisinin of the following formula: wherein the photooxidation of step i) and iii) are carried out under pressure generated by oxygen or an oxygen containing mixture.
地址 Kleinmachnow DE