Novel syntheses of polysubstituted pyrroles and oxazoles by 1,3-dipolar cycloaddition reactions of benzotriazole-stabilized nitrile ylides
作者:Alan R. Katritzky、Suoming Zhang、Mingyi Wang、Hartmuth C. Kolb、Peter J. Steel
DOI:10.1002/jhet.5570390422
日期:2002.7
1,3-Dipolar cycloadditions of benzotriazole-stabilized nitrile ylides with benzyl α,β-unsaturated-carboxy-lates and aldehydes as dipolarophiles proceeded smoothly and efficiently to give polysubstituted pyrroles and oxazoles, respectively, in good yields.
苯并三唑稳定的腈与1,2,3-苄基的α,β-不饱和羧酸酯和醛类作为双极性亲和剂的1,3-偶极环加成反应顺利,有效地进行,分别以良好的收率得到了多取代的吡咯和恶唑。