Thullen, Scott M A Photochemical Two-Step Formal [5+2] Cycloaddition: A Condensation/Ring-Expansion Approach to Substituted Azepanes. [electronic resource] - Synlett : accounts and rapid communications in synthetic organic chemistry Dec 2017 - 2755-2758 p. digital Publication Type: Journal Article ISSN: 0936-5214 Standard No.: 10.1055/s-0036-1589049 doi