Iwasawa, Nobuharu Complexation-initiated intramolecular [4+2] cycloaddition: construction of bridged-type cycloadducts. [electronic resource] - Angewandte Chemie (International ed. in English) Dec 2005 - 7447-50 p. digital Publication Type: Journal Article ISSN: 1433-7851 Standard No.: 10.1002/anie.200502313 doi