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METHOD FOR THE PREPARATION OF 2-(4-METHOXYCARBONYLPYRAZOL-1-YL)ADENOSINE AND 2-(4-ETHOXYCARBONYLPYRAZOL-1-YL)ADENOSINE
METHOD FOR THE PREPARATION OF 2-(4-METHOXYCARBONYLPYRAZOL-1-YL)ADENOSINE AND 2-(4-ETHOXYCARBONYLPYRAZOL-1-YL)ADENOSINE
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机译:2-(4-羟羰基吡唑-1-基)腺苷和2-(4-羟羰基吡唑-1-基)腺苷的制备方法
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摘要
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.; 展开▼