Zhang, Z.;* Huang, Y.; Huang, G.; Zhang, G.,* Ammonium Acetate-promoted One-Pot Tandem Aldol Condensation/Aza-Addition Reactions: Synthesis of 2,3,6,7-Tetrahydro-1H-pyrrolo[3,2-c]pyridin-4(5H)-ones. ACS Omega 2017. DOI: 10.1021/acsomega.7b00626. http://pubs.acs.org/doi/full/10.1021/acsomega.7b00626