Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.Title[4+2] Cycloaddition of Ketenes with N-Benzoyldiazenes Catalyzed by N-Heterocyclic Carbenes.AuthorsHuang, Xue-Liang; He, Lin; Shao, Pan-Lin; Ye, SongPublicationAngewandte Chemie International Edition, 2009, Vol 48, Issue 1, p192ISSN1433-7851Publication typeArticleDOI10.1002/anie.200804487