生命科学;医药分析标准。
生命科学;医药分析标准
合成路线 1(1. 合成:36507-30-9)
产率:91%
合成条件:With peracetic acid; potassium permanganate supported on alumina; sodium carbonate In dichloromethane; acetic acid at 20℃; for 1.67 h; Heating / reflux
实验步骤:实施例1:IIa,10b-二氢-6H-二苯并/ bf /氧代烯[d1氮杂卓-6-甲酰胺(5);向搅拌的卡马西平(3)(200g,847.5mmol)和碳酸钠(287.4g,271mmol)在二氯甲烷(1000ml)中的悬浮液中加入负载在氧化铝上的高锰酸钾片剂(3.5%w / w,3.46)。 g,0.77mmol)。此后,在1小时内逐滴加入过氧乙酸(在乙酸中的39%溶液,432ml,2538mmol),使温度逐渐升高直至溶剂温和回流。将混合物搅拌20分钟,然后静置20分钟。然后过滤除去碳酸钠和负载型催化剂,用二氯甲烷(200ml)洗涤;通过筛子筛分将氧化铝珠粒与碳酸钠分离。然后将合并的滤液与亚硫酸钠(20g)和碳酸氢钠(20g)在水(250ml)中的水溶液一起搅拌1小时。然后分离各相,水相用二氯甲烷(50ml)萃取。合并的有机层用水(100ml),饱和碳酸氢钠水溶液(100ml),水(100ml)和盐水洗涤,然后用无水硫酸钠干燥并过滤。蒸发溶剂(旋转蒸发器,吸水器压力,40℃),得到粗环氧化物(5),为米色固体,将其从乙酸乙酯(100ml)中结晶,得到灰白色固体产物,194.2g,(91%)让)。
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