... New Routes to 1,2-Diazetidin-3-ones Edward C. Taylor* and Jeffery S. Hinkle' Department of Chemistry, Princeton University, Princeton, New Jersey 08544 Received February 12, 1987 ... 0 1987 American Chemical Society Page 2. 4108 J. Org. Chem., Vol. 52, No. 18, 1987 ...