Synthesis of New Thienopyridine Derivatives by [3+2]- and [2+2]-Cycloaddition Reactions
作者:Mátyás Milen、György Keglevich、Péter Ábrányi-Balogh、András Dancsó
DOI:10.1055/s-0032-1316794
日期:——
Abstract The reaction of 6,7-dihydrothieno[3,2-c]pyridine derivatives with 1,3-dipoles, such as a nitrile oxides or nitrile imines, gave novel fused heterocycles. The Staudinger reaction of the starting material was also studied. This reaction was stereoselective and exclusively gave racemic cis-cycloadducts in which the thienopyridine core was fused with a β-lactam ring. The reaction of 6,7-dihydrothieno[3
摘要 6,7-二氢噻吩并[3,2- c ]吡啶衍生物与1,3-偶极,如一氧化氮或腈亚胺的反应,得到了新颖的稠合杂环。还研究了起始材料的斯托丁格反应。该反应是立体选择性的,并且仅产生外消旋的顺式-环加合物,其中噻吩并吡啶核与β-内酰胺环稠合。 6,7-二氢噻吩并[3,2- c ]吡啶衍生物与1,3-偶极,如一氧化氮或腈亚胺的反应,得到了新颖的稠合杂环。还研究了起始材料的斯托丁格反应。该反应是立体选择性的,并且仅产生外消旋的顺式-环加合物,其中噻吩并吡啶核与β-内酰胺环稠合。