Synthesis of 6,16,22,32-tetrahydroxy[3.3.3.3]metacyclophane with the aid of a new copper catalyst
作者:Dennis H. Burns、Jeffrey D. Miller
DOI:10.1016/s0040-4039(00)77060-2
日期:1994.7
Metacyclophane 2 has been prepared in 4 steps starting from 2-bromoanisole with the aid of a new copper catalyst. The catalyst was prepared by mixing CuBr-SMe2 with LiSPh and LiBr in THF.