This invention relates to novel processes for preparing substituted pyrrolizine compounds. More particularly, it relates to novel processes for preparing 5-aroyl-2,3-dihydro-1H-pyrrolizine-1,1-dicarboxylate of the following formula (I) from pyrrole. ##STR1##
Radical Cycloaddition by Nickel(II) Complex-Catalyzed Electroreduction. A Method for Preparation of Pyrrolopyridine and Pyrrolopyrrole Derivatives.
作者:Shigeko OZAKI、Shizue MITOH、Hidenobu OHMORI
DOI:10.1248/cpb.44.2020
日期:——
Cycloalkano[α]pyrroles were obtained by reductive radical cycloaddition of 1-(2-iodoethyl)pyrrole and activated olefins or by cyclization of 1-(ω-iodoalkyl)pyrroles, through electroreduction of the iodides using nickel(II) complex as an electron-transfer catalyst.