A Highly Stereoselective Knoevenagel Reaction of<i>N</i>-Tosylimines with Active Methylene Compounds in DMSO
作者:Ryoichi Chiba、Takeshi Oriyama
DOI:10.1246/cl.2008.1218
日期:2008.12.5
In the presence of molecular sieves (MS) 4A in dimethyl sulfoxide (DMSO), a highly stereoselective Knoevenagel reaction of various N-tosylimines with activemethylenecompounds proceeded smoothly, producing the corresponding Knoevenagel products in high to excellent yields.