CF3-cyclopropanes with aliphatic, aromatic, and even heteroaromatic substituents were prepared on a multigram scale by deoxyfluorination of cyclopropane carboxylic acids or their salts with sulfur tetrafluoride. For labile α-pyridine acetic acids, only the use of their potassium salts allowed to obtain the needed products. Derivatization of CF3-cyclopropanes into building blocks ready for direct use
通过
环丙烷羧酸或其盐与
四氟化硫的脱氧
氟化,以多克规模制备了具有脂肪族、芳香族甚至杂芳族取代基的CF 3 -
环丙烷。对于不稳定的α-
吡啶乙酸,只有使用它们的
钾盐才能获得所需的产品。将 CF 3 -
环丙烷衍生为可直接用于药物
化学的结构单元。