The late-stage intermediate (8) to 11-deoxyanthracyclinones has been prepared by a strong base induced cycloaddition of 6-oxo-5,6,7,8-tetrahydrohomophthalic anhydride 1,2-ethanediyl acetal (9) to 3-bromojuglone methyl ether (10).
晚期中间体(8)至11-脱氧
蒽环酮的制备是通过强碱诱导的6-氧代-5,6,7,8-四氢
邻苯二甲酸酐1,2-乙二
缩醛(9)环加成3-
溴juglone甲基而制备的
乙醚(10)。