Synthesis of 2-methyl-4-selenoquinazolone, 2-phenylbenzoselenazole, and its derivatives / Dissertation submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy in the Faculty of Pure Science of Columbia University

by Yü-Gwan Chen

Another type of azoles, benzoselendiazole (piaselenol) and five of its derivatives, have been also described as medicinals[(31)]. The diazole itself has the following structure,

or

Diazoles of the following structure are also known, but no data were found, regarding their physiological action[(32)]:

Dimethyl-seleno-diazole