Efficient and regioselective synthesis of functionalized pyrroles by cyclocondensation of 1,3-dicarbonyl dianions with α-azidoketones
作者:Peter Langer、Ilia Freifeld
DOI:10.1039/b207840f
日期:——
The cyclocondensation of 1,3-dicarbonyl dianions with α-azidoketones regioselectively afforded 2-alkylidenepyrrolidines which were transformed into functionalized pyrroles by treatment with acid.
1,3-二羰基二离子与δ-
叠氮酮的环缩合反应可选择性地生成 2-亚烷基
吡咯烷,这些
吡咯烷经酸处理后可转化为官能化的
吡咯。