Media type: E-Article Title: Dioxetenes and diazetines: nonaromatic 6.pi.-systems in four-membered rings Contributor: Budzelaar, Peter H. M.; Cremer, Dieter; Wallasch, Markus; Wuerthwein, Ernst Ulrich; Schleyer, Paul v. R. Published: American Chemical Society (ACS), 1987 Published in: Journal of the American Chemical Society, 109 (1987) 21, Seite 6290-6299 Language: English DOI: 10.1021/ja00255a011 ISSN: 0002-7863; 1520-5126 Origination: Footnote: