It is demonstrated that microwave-assisted DielsâAlder reactions of substituted 2(1H)-pyrazinones with ethylene are significantly more effective utilizing pre-pressurized (up to 10 bar) reaction vessels.
研究表明,利用微波辅助取代的 2(1H)-
吡嗪酮与
乙烯的 DielsâAlder 反应,利用预压(高达 10 巴)反应容器效果显著。