A Facile Synthesis of 2-Phenylimino-3(2H)-benzofuranones from the Silyl Enol Ether of 2-Hydroxyacetophenones and Nitrosobenzene - Ohno, Masatomi; Ido, Motohisa; Shimizu, Sadahiro; Eguchi, Shoji (Synthesis, 1990)