Abstract By the reaction of 2-chloro-3-alkyl-, 2,3-dichloro(dibromo)-, trichloro-(tribromo)-and tetrachloro(tetrabromo)-naphthazarins and 2,3-dichloroquinizarin with Fe/HOAc followed by oxidation with an air in a mild basic conditions the corresponding naphthazarins and quinizarin were obtained in good to excellent yields.
摘要 通过 2-
氯-3-烷基-、2,3-二
氯(二
溴)-、三
氯-(三
溴)-和四
氯(四
溴)-
萘并和 2,3-二
氯喹吖啶与 Fe/H
OAc 反应,然后
氧化在温和碱性条件下的空气中,以良好至极好的收率获得了相应的
萘并
芴素。