New methods and reagents in organic synthesis. 41. Lithium trimethylsilyldiazomethane. A new synthon for the preparation of pyrazoles from α,β-unsaturated nitriles
作者:Tayahiko Aoyama、Sumie Inoue、Tokoyuki Shioiri
DOI:10.1016/s0040-4039(00)99904-0
日期:1984.1
Lithium trimethylsilyldiazomethane reacts smoothly with various α,β-unsaturated nitriles to give 3(or 5)-trimethylsilylpyrazoles in good yields.
三甲基硅烷基重氮甲烷锂可与各种α,β-不饱和腈平稳反应,以高收率得到3(或5)-三甲基硅烷基吡唑。