Yang, Long Azaruthena(II)-bicyclo[3.2.0]heptadiene: Key Intermediate for Ruthenaelectro(II/III/I)-catalyzed Alkyne Annulations. [electronic resource] - Angewandte Chemie (International ed. in English) Jun 2020 - 11130-11135 p. digital Publication Type: Journal Article ISSN: 1521-3773 Standard No.: 10.1002/anie.202000762 doi