A versatile preparation of 2,6-Di-t-butylbromobenzene. Application to steric protection for organophosphorus compounds in low coordination states
作者:Masaaki Yoshifuji、Takashi Niitsu、Daisuke Shiomi、Naoki Inamoto
DOI:10.1016/s0040-4039(01)80586-4
日期:1989.1
2,6-Di-t-butylbromobenzene (5) was prepared from 2,4,6-tri-t-butyl-bromobenzene by ipso nitration followed by reduction of the nitro group and deamination. The diphosphene (8) and 1,3-diphosphaallene (10) were prepared.
由2,4,6-三叔丁基溴苯经ipso硝化,然后还原硝基并进行脱氨基反应制得2,6-二叔丁基溴苯(5)。制备了二膦(8)和1,3-二磷杂亚环(10)。