... SYNTHESIS OF C-2 SUBSTITUTED HETEROAZOLE DERIVATIVES. Raffaele Saladin0.a' Claudia Crestini,a Francesca Occhionero,b Rosario Nico1etti.b a Dipartimento Agrochimico Agrobiologico, Universi& degli studi di Viterbo "La Tuscia". ... References 1. Baley, PS in "Ozonation in organic chemistry", 1982, Vol I and 11, Academic Press, New York. (a) Saladino, R., Crestini, C.. and Nicoletti, R. Tetrahedron Lett. 1993, 34, 1631-1634. ...