A new and reactive Diels-Alder diene, N,N-dimethylamino-3-methylthiobutadiene.
作者:Masayuki MURASE、Toshihiro HOSAKA、Shinya YOSHIDA、Seisho TOBINAGA
DOI:10.1248/cpb.40.1343
日期:——
Reactivities of a new diene N, N-dimethylamino-3-methyltiobutadiene (7), prepared in situ by treatment of the methiodide of thioenaminone 5 with triethylamine, with several dienophiles as a Diels-Alder diene, were investigated. In general, the cycloaddition reactions were completed at low temperature for short periods, which showed that the diene has a high reactivity as a Diels-Alder diene.
研究了通过用三乙胺处理硫烯胺酮 5 的甲碘化物原位制备的新二烯 N,N-二甲氨基-3-甲基硫代丁二烯 (7) 与几种亲二烯体作为第尔斯-阿尔德二烯的反应性。一般来说,环加成反应在低温下短时间完成,这表明该二烯作为狄尔斯-阿尔德二烯具有高反应活性。