Double Cycloisomerization as a Novel and Expeditious Route to Tricyclic Heteroaromatic Compounds: Short and Highly Diastereoselective Synthesis of (±)-Tetraponerine T6
作者:Joseph T. Kim、Vladimir Gevorgyan
DOI:10.1021/ol027129t
日期:2002.12.1
Cu-Assisted double cycloisomerization of bis-alkynylpyrimidines afforded the 5-6-5 tricyclic heteroaromatic skeleton. This transformation was used as a key step in the highly diastereoselective totalsynthesis of (+/-)-tetraponerine T6.