Assembly of pentacyclic pyrido[4,3,2-mn]acridin-8-ones via a domino reaction initiated by Au(I)-catalyzed 6-endo-dig cycloisomerization of N-propargylaminoquinones

Hao Yin, Fanji Kong, Shaozhong Wang, Zhu-Jun Yao

Tetrahedron Letters

Volume 53, Issue 52, 26 December 2012, Pages 7078–7082

http://dx.doi.org/10.1016/j.tetlet.2012.10.065