Hörner–Wadsworth–Emmons reagents 3 and ketones 2 with a perfluoroalkyl (Rf) moiety prepared in situ was proved to be significantly efficient and powerful methods for the construction of a wide variety of α,β-unsaturated esters with Rf and R1 groups both at the β-position due to convenient avoidance of usually tedious as well as troublesome isolation steps of these ketones 2.
霍纳-沃兹沃思-埃蒙斯的缩合试剂3和酮2与
全氟烷原位制备(RF)部分被证明是用于各种各样的α的结构显著有效和强大的方法,其中R f和Rβ不饱和
酯类1基团都在β位置由于通常乏味的方便回避以及这些酮的麻烦分离步骤2。