REED COLLEQE PORTLAND 2, ORE. (8) Cf. “Beilsteins Handbuch der Organischen Chemie,” ... (9) Idem, J. Am. Chem. Soc., 80,5795 (1958). (10) Ref. 8, p. 81. (11) In original experiments this was omitted; however, it is known? that strong acids can cause transformation of diphenyltetrazine to the diphenyloxadiazole encountered in this work. In later experiments the buffer was added to obviate this possibility, since commercial peracetic acid can contain appreciable ...