作为医药中间体或原料,用于相关药物合成。
医药
合成路线 1(1. 合成:10521-08-1)
产率:86%
合成条件:With acetic anhydride In acetic acid at 0 - 10℃; for 3 h;
实验步骤:实施例27 6(7) - 羟基-2-甲氧基羰基-8-氮杂双环(3.2.1)辛烷-2-酮; 和6(7) - 甲氧基-2-甲氧基羰基-8-氮杂双环(3.2.1)辛烷-2-酮; 向0℃的60ml乙酸和43ml乙酸酐的溶液中缓慢加入40g(0.27mol)丙酮二羧酸。搅拌混合物,不允许温度升至10°以上 C.将酸缓慢溶解并形成浅黄色沉淀.3小时后,过滤产物,用30ml冰醋酸和100ml苯洗涤。得到的白色粉末在高真空下干燥,得到30 g丙酮二羧酸酐(产率86%)..
参考文献:
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