Nov. 1981 Synthesis of N,N'-Diacyl-l,2-di-(4-pyridyl)ethylenediamines MF Bratia*, Maria L. L6pez Rodriguez ... Departmento de Quimica Orginica, Facultad de Ciencias Quimicas Universidad Cornplutense Madrid-3, Spain J. Garrido and C. M. Roldan Laboratorios Made, S. A. Avda. de Burgos 91, Madrid-34, Spain Received March 28, 1981 ... Reaction of N-(4-pyridylmethyl)benzamide N-oxides with acetic anhydride yielded dimerization com- pounds. This dimerization ...