7-(Diphenylmethyl)oxy-9a-methoxymitosane is a novel intermediate for conversion into 7-amino and 7-oxy-9a-methoxymitosanes and is also useful for inhibiting mammalian tumor growth. The compound is prepared by reacting 7-hydroxy-9a-methoxymitosane with diazodiphenylmethane. In a preferred reaction, the compound is prepared from mitomycin C via 7-hydroxy-9a-methoxymitosane without drying (water removal). The intermediate is advantageously converted to the very effective anti-tumor agent 7-[2-(4-nitrophenyldithio)ethylamino]-9a-methoxymitosane in unexpectedly high yields using a two step process where the first step constitutes conversion to 7-[2-(2-pyridyldithio)ethylamino]-9a-methoxymitosane or 7-[2-(3-nitro-2-pyridyldithio)ethylamino]-9a-methoxymitosane.
7-(Diphenylmethyl)oxy-9a-methoxymitosane是一种新型中间体,可转化为7-
氨基和7-氧基-9a-甲氧基米托烷,并且还可用于抑制哺乳动物肿瘤生长。该化合物通过将7-羟基-9a-甲氧基米托烷与重氮二苯
甲烷反应制备而成。在首选反应中,该化合物通过从丝
裂霉素C经7-羟基-9a-甲氧基米托烷制备而成,无需干燥(去除
水分)。该中间体可优势地转化为非常有效的抗肿瘤剂7-[2-(4-
硝基苯基二
硫)乙基
氨基]-9a-甲氧基米托烷,使用两步法进行转化,其中第一步是转化为7-[2-(2-
吡啶硫基)乙基
氨基]-9a-甲氧基米托烷或7-[2-(
3-硝基-2-
吡啶硫基)乙基
氨基]-9a-甲氧基米托烷。