Department of Chemistry, Wayne State University, 5101 Cass Avenue, Detroit, Michigan 48202, USA.
J Org Chem. 2011 Apr 1;76(7):2261-4. doi: 10.1021/jo102305q. Epub 2011 Feb 25.
A rapid, cascade reaction process has been developed to access biologically validated spiro-2,5-diketopiperazines. The facile and environmentally benign method capitalizes on commercially available starting reagents for a sequential Ugi/6-exo-trig aza-Michael reaction, water as a solvent, and microwave irradiation without any extraneous additives.
一种快速的级联反应过程已经被开发出来,以获得具有生物学验证的螺-2,5-二酮哌嗪。这种简单且环保的方法利用了商业上可用的起始试剂,通过顺序 Ugi/6-endo-trig 氮杂迈克尔加成反应、水作为溶剂和微波辐射,无需任何外加添加剂。