Azetidines are valuable motifs that readily access under explored chemical space for drug discovery. 3,3-Diarylazetidines are prepared in high yield from N-Cbz azetidinols in a calcium(II)-catalyzed Friedel–Crafts alkylation of (hetero)aromatics and phenols, including complex phenols such as β-estradiol. Electron poor phenols undergo O-alkylation. The product azetidines can be derivatized to drug-like
氮杂
环丁烷是有价值的基序,可以很容易地在探索的
化学空间中用于药物发现。3,3-二芳基氮杂
环丁烷是由N -Cbz氮杂
环丁醇以
钙(II)催化的(杂)芳族化合物和
酚(包括复杂的
酚,例如β-
雌二醇)的Friedel-Crafts烷基化反应制得的。电子贫
酚会发生O-烷基化。产物氮杂
环丁烷可以通过氮杂
环丁烷氮和芳族基团衍生为药物样化合物。该Ñ -Cbz组是由四元环上提供中间碳阳离子的稳定化反应性的,以关键。