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[求助] Salen Mn 的制备

在氮气保护下,将.0889(2mmof)配体加入30mL无水乙醇中,加热溶解。搅拌下
加入0.989(4mmol)四水合醋酸锰的乙醇溶液,加热回流sh。冷却至室温,再加入0.219(5mmol)无
水氯化铿,在空气存在下反应3h,过滤,依次用无水乙醇、无水乙醚、蒸馏水反复洗涤多次,真空干
燥,
为什么总是得到两个物质,是不是二价锰没有完全氧化成三价锰,跪求,
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