ORGANIC LETTERS 2012 Vol. 14, No. 4 1185–1185
Additions and Corrections Volume 14, 2012
Xiao-Xiao Li, Li-Li Zhu, Wen Zhou, and Zili Chen* Formal Intermolecular [2 þ 2] Cycloaddition Reaction of Alleneamides with Alkenes via Gold Catalysis Page 436. We recently found that the gold(I)-catalyzed intermolecular (4 þ 2) cycloaddition of allenamides and acyclic dienes had been successfully accomplished before: Faustino, H.; L opez, F.; Castedo, L.; Mascare~ nas J. L. Chem. Sci., 2011, 2, 633637. This work is highly relevant to our research and should have been cited in our paper. There are other research works on intermolecular [2 þ 2] cycloaddition reaction: (a) Gulias, M.; Collado, A.; Trillo, B.; L opez, F.; O~ nate, E.; Esteruelas, M. A.; Mascare~ nas, J. L. J. Am. Chem. Soc. 2011, 133, 7660. (b) Kimura, M.; Horino, Y.; Wakamiya, Y.; Okajima, T.; Tamaru, Y. J. Am. Chem. Soc. 1997, 119, 10869. And there are some reviews on gold-catalyzed cycloaddition and allenamide: (a) L opez, F.; Mascare~ nas, J. L. Beilstein J. Org. Chem. 2011, 7, 1075. (b) Wei, L.-L.; Xiong, H.; Hsung, R. P. Acc. Chem. Res. 2003, 36, 773. These literature references should also have been cited. There are also some typing errors: “alleneamide(s)” should be revised to “allenamide(s)”. In the Abstract, “cyclobuane” should be revised to “cyclobutane”. 10.1021/ol300164n Published on Web 01/30/2012
