63431-02-7Relevant articles and documents
X=Y-ZH Systems as Potential 1,3-Dipoles. Part 7. Stereochemistry of the Cycloaddition of Imines of α-Amino Acid Esters to Fumarate and Maleate Esters
Grigg, Ronald,Kemp, James,Warnock, William J.
, p. 2275 - 2284 (2007/10/02)
Aryl imines of α-amino acid esters undergo 1,3-dipolar cycloadditions with maleate and fumarate esters in quantitative yield when heated in boiling toluene to give mixtures of mainly two pyrrolidines.The major isomer in each case arises from cycloaddition