S. Kim et Cm. Cho, GENERATION OF ALKYLIDENE CARBENES FROM ALPHA,BETA-EPOXY-N-AZIRIDINYL IMINES - A NEW ROUTE TO CYCLOPENTENOLS, Tetrahedron letters, 35(45), 1994, pp. 8405-8408
Thermal reaction of alpha,beta-epoxy-N-aziridinyl imines in refluxing
toluene would initially generate the reactive alkylidene carbenes whic
h underwent intramolecular carbon-hydrogen insertion reactions to affo
rd cyclopentenols.