Facile conversion of trifluoroacetyltriphenylsilane 2,4,6-triisepropylbenzenesulfonylhydrazone to 2,2,2-trifluorodiazoethane. An unusual example of the bamford-stevens reaction
作者:Fuqiang Jin、Yuanyao Xu、Yiling Ma
DOI:10.1016/s0040-4039(00)60032-1
日期:1992.10
the presence of Et3N to produce trifluorcmethylated pyrazoles or pyrazolines in good yields. The reaction was found to proceed through the intermediacy of 2,2,2-trifluorodiazoethane, and this unusual co)nversion of 1 to 2,2,2-trifluorodiazoethane was studied from the mechanistic viewpoint.