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Electrocatalytic Efficient Multicomponent Approach to Medicinally Relevant Pyrano[4,3-b]pyran Scaffold

机译:药物相关的吡喃并[4,3-b]吡喃支架的电催化高效多组分方法

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摘要

“One-pot” electrocatalytic transformation of aldehydes, malononitrile, and 4-hydroxy-6-methyl-2H-pyran-2-one in an undivided cell results in the formation of 4-aryl-2-amino-7-methyl-5-oxo-4H,5H-pyrano[4,3-b]pyran-3-carbonitriles in 86–93 % substance yields and 860–930 % current efficiency via a complex multicomponent process. This novel electrocatalytic chain process opens an effective and convenient way to cyano-functionalized pyrano[4,3-b]pyran systems which are promising compounds for biomedical applications. This efficient electrocatalytic approach to the pyrano[4,3-b]pyran scaffold represents a novel synthetic concept for a multicomponent reaction (MCR) strategy and allows to combine the synthetic virtues of conventional MCR with ecological benefits and convenience of a facile electrocatalytic procedure.
机译:醛,丙二腈和4-羟基-6-甲基-2H-吡喃-2-酮在未分开的电池中的“一锅法”电催化转化导致形成4-芳基-2-氨基-7-甲基-5 -oxo-4H,5H-吡喃并[4,3-b]吡喃-3-甲腈的化合物产率为86–93%,通过复杂的多组分过程可达到860–930%的电流效率。这种新颖的电催化链工艺为氰基官能化的吡喃并[4,3-b]吡喃系统打开了一条有效而便捷的途径,这对于生物医学应用来说是有希望的化合物。这种对吡喃并[4,3-b]吡喃骨架的有效电催化方法代表了一种多组分反应(MCR)策略的新颖合成概念,并且允许将常规MCR的合成优点与生态效益和便捷的电催化方法的便利相结合。

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