3284-46-6Relevant articles and documents
An Improved Synthesis of Pyrroles from N-p-Toluenesulfonylglycine Esters and α,β-Unsaturated Aldehydes and Ketones
Lash, Timothy D.,Hoehner, Michael C.
, p. 1671 - 1676 (2007/10/02)
N-p-Toluenesulfonylglycine esters 2 condensed with α,β-unsaturated carbonyl compounds 1 in the presence of the non-nucleophilic base DBU to give hydroxypyrrolidines 3.Dehydration with phosphorous oxychloride-pyridine, followed by DBU mediated elimination