... Download full text in PDF. Tetrahedron Letters Vol. 21, pp 5019 - 020 0^)40-4059/80/0801-5019^ 0':>.00/0 Pergamon Press Ltd. 1980. Printed in Great Britain ALKYIATIOH OF PROTECTED PIPERAZINONE DIANIONS John M. Kane* and Albert A. Carr Merrell Research Center 2110 E. Galbralth Road, Cincinnati, Ohio 45215 Summary: A new method for the preparation of substituted piperazlnones via alkylatlon of t^-boc- piperazlaone is presented. ...