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本文报道了以麦角甾醇(2)为起始物合成(22E,24R)-3α-5-环-5α-麦角-22-烯-6-酮(1)的改进方法,化合物(1)是制备植物生长调节剂24-表油菜素内酯(6)的关键中间体。
This paper reports an improved method for the synthesis of (22E, 24R) -3α-5-cyclo-5α-erg-22-en-6-one (1) starting from ergosterol (2) The key intermediate of the plant growth regulator 24-epibrassinolide (6).