Synthesis of (+)-4-demethoxydaunomycinone
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United States of America Patent
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Dec 18, 1984
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N/A
app pub date -
May 13, 1983
filing date -
May 13, 1983
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Abstract
It has been found that stereospecific R(-)-4-demethoxy-7-deoxydaunomycinone can be synthesized from the known compound 4-demethoxy-7,9-dideoxydaunomycinone. R(-)-4-Demethoxy-7-deoxy-daunomycinone is an intermediate in the synthesis of (+)-4-demethoxydaunomycinone, the aglycone of the nonnaturally occurring and antitumor active (-)7(S)9(S)-4-demethoxydaunorubicin.
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