... E-mail: Bruce.Goodbrand@crt.xerox.com. (1) Borsenberger, PM; Weiss, DS Organic Photoreceptors for Imaging Systems; Marcel Dekker: New York, 1993. ... (6) For general reviews of Ullmann condensation chemistry, see: (a) Lindley, J. Tetrahedron 1984, 40, 1433-1456. ... J. Org. ...