[EN] A METHOD FOR THE PREPARATION OF 2-(4-METHOXYCARBONYLPYRAZOL-L-YL)ADENOSINE AND 2-(4-ETHOXYCARBONYLPYRAZOL-L-YL)ADENOSINE<br/>[FR] PROCÉDÉ DE PRÉPARATION DE LA 2-(4-MÉTHOXYCARBONYLPYRAZOL-L-YL) ADÉNOSINE ET DE LA 2-(4-ÉTHOXYCARBONYLPYRAZOL-L-YL)ADÉNOSINE
申请人:FARMAK A S
公开号:WO2013023626A1
公开(公告)日:2013-02-21
A method for the preparation of 2-(4-methoxycarbonylpyrazol-l-yl)adenosine of formula la and 2-(4-ethoxycarbonylpyrazol-l-yl)adenosine of formula lb by reaction of 2- hydrazinoadenosine of formula III and the sodium salt of 3,3-dimethoxy-2- methoxycarbonylpropen- l-ol of formula Va or the sodium salt of 3,3-diethoxy-2- ethoxycarbonylpropen-l -ol of formula Vb in combination with a solvent and an acidic agent.
METHOD FOR THE PREPARATION OF 2-(4-METHOXYCARBONYLPYRAZOL-1-YL)ADENOSINE AND 2-(4-ETHOXYCARBONYLPYRAZOL-1-YL)ADENOSINE
申请人:Kvapil Lubomir
公开号:US20140206857A1
公开(公告)日:2014-07-24
A method for the preparation of 2-(4-methoxycarbonylpyrazol-1-yl)adenosine of formula 1a and 2-(4-ethoxycarbonylpyrazol-1-yl)adenosine of formula 1b by reaction of 2-hydrazinoadenosine of formula III and the sodium salt of 3,3-dimethoxy-2-methoxycarbonylpropen-1-ol of formula Va or the sodium salt of 3,3-diethoxy-2-ethoxycarbonylpropen-1-ol of formula Vb in combination with a solvent and an acidic agent.