[reaction: see text]. A novel synthetic methodology for 2,5-disubstituted tetrahydrofurans having an allenyl group at the 3-position via Prins-type cyclization was developed. The reaction led to excellent selectivity and moderate to high yields.
[反应:请参见文字]。开发了一种新的合成方法,用于通过Prins型环化反应在3位上具有一个烯基的2,5-二取代的
四氢呋喃。该反应导致优异的选择性和中等至高产率。