Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... The reaction of diazines 1 and benzodiazines 2 with benzonitrile oxide in refluxing benzene affords regio, site and stereospecific cycloadducts to the diazine ring and/or products derived from them. ... Grassi G., Risitano F., Foti F., Bruno G. submitted for publication in J. Chem. ...