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. ... A diverse library of 2-aminobenzoxazines 3 has been synthesized using a two step approach. Addition of anthranilic acids to isocyanates affords ureas 2 that can be cyclized by polymer-supported EDC to give 2-aminobenzoxazines 3. ... A diverse library of 2- ...