3-dihydrofurans is reported. These non-aromatic heterocycles containing a useful coupling handle are accessed via Cu-catalyzed intramolecular cyclization of 1,2-dibromohomoallylic alcohols, which are themselves available in just two steps from aromatic and aliphatic aldehydes and ketones. Molecular dynamics simulations using the simple substrates and key geometric parameters provide a rationale for the selectivities
报道了 4-
溴-
2,3-二氢呋喃的第一个通用制备方法。这些含有有用偶联柄的非芳香杂环是通过
铜催化的 1,2-二
溴高
烯丙醇分子内环化获得的,这些醇本身只需两步即可由芳香族和脂肪族醛和酮获得。使用简单基质和关键几何参数的分子动力学模拟为观察到的选择性提供了理论依据。还证明了 4-
溴二氢
呋喃的合成效用。