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The Domino Chemistry Approach to Molecular Complexity:Competing Domino Processes Modulated by the Substitution Pattern

机译:用于分子复杂性的多米诺化学方法:竞争模式替代模式调制的多米诺过程

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摘要

Oxidative cleavage with lead tetraacetate results in the synthesis of different oxygen heterocycles starting from the same unsaturated 1,2-diol of type I by tuning of the substitution pattern at the angular position.When this compound bears a functional substituent,such as an alkoxy,ester,alkenyl,or simply a hydrogen,more than one reaction pathway are in competition.The process allows for the selective formation of three different complex ring systems,by the appropriate choice of the angular substituent,leading to either a ring-expanded type 1,ring-retained type 2,or domino products 3.
机译:用四乙酸铅氧化裂解可通过调节角位置的取代方式从相同的I型不饱和1,2-二醇开始合成不同的氧杂环。当该化合物带有功能性取代基(如烷氧基)时,酯,链烯基,或者简单地为氢,多于一个的反应途径是在竞争。过程允许三个不同的复杂的环系的选择性形成,由角度取代基的合适的选择,从而导致无论是环扩展型1 ,固定环2型或多米诺骨牌产品3。

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