Reductive cyclization of ester-containing enynes with a practical titanocene reagent. Synthesis of bicyclic cyclopentenones and iminocyclopentenes
“Reductive cyclization of ester-containing enynes with a practical titanocene reagent. Synthesis of bicyclic cyclopentenones and iminocyclopentenes”, J. Org. Chem., 1992, 57(22), 5803-5805.