This paper details the copper-catalyzed ring expansion of vinyl aziridines to 3-pyrrolines. Broad substrate scope (24 examples) using tosyl- and phthalimide-protected vinyl aziridine substrates is observed. Cu(hfacac)2 was determined to be superior to all other catalysts tested.
本文详细介绍了
乙烯基氮丙啶在
铜催化下向
3-吡咯啉的扩环。观察到使用
甲苯磺酰基和邻苯二甲
酰亚胺保护的
乙烯基氮丙啶底物的广泛的底物范围(24个实例)。经测定,Cu(hfacac)2优于所有其他测试的催化剂。