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Sustainable, Oxidative, and Metal-Free Annulation

机译:可持续,氧化和无金属包套

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Annulation has received steadily growing interest in the interplay with the increasing emphasis towards selective C-H bond functionalization reactions. Metal-free oxidative annulation through functionalization of inert and abundant <是->C-H bonds offers great improvements in terms of atom-and step-economics as well as reduced waste production under mild reaction conditions. Annulation is considered to be a highly efficient strategy for the construction of cyclic molecules because at least two new bonds are formed within a single reaction step. The combination of annulation and direct C-H bond functionalization allows the efficient and straightforward synthesis of carbo-and heterocyclic molecules using simple and nonprefunctionalized precursors. This Concept highlights novel strategies and recent breakthroughs for metal-free annulation through C-H bond functionalization giving access to a variety of important structural motifs.
机译:随着对选择性C-H键官能化反应的增加,预算已经稳步增长了对相互作用的兴趣。 通过惰性和丰富的官能化无金属氧化环动,C-H键在原子和步进经济学方面提供了很大的改进,以及在轻度反应条件下减少废物生产。 被认为是一种高效的循环分子的高效策略,因为在单一反应步骤中形成至少两个新键。 环状和直接C-H键官能化的组合允许使用简单和非官能化前体的碳和杂环分子的有效和直接合成。 这一概念通过C-H键官能化突出了新的策略和最近的突破性,通过C-H键官能化,可进入各种重要的结构主题。

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