以金属酞菁为催化剂,2,5-二羧酸-3,4-二烷氧基噻吩在水相中脱羧,以较高的产率和纯度制得3,4-二烷氧基噻吩,避免了有机极性溶剂的使用,催化剂重复使用8次仍表现出优异的催化性能.另外,通过简易的水蒸气蒸馏法即可分离出产物.该法具有环境友好、操作简易和反应时间短等优点,是一种制备3,4-二烷氧基噻吩的绿色方法.
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