Ammonium Chloride-catalyzed Synthesis of Benzo-fused Heterocycles from o-Substituted Anilines and Orthoesters

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Acknowledgments

C. F. wishes to thank Oklahoma State University for providing support in the form of a Niblack Scholarship. Funding for the 300 MHz NMR spectrometer of the Oklahoma Statewide Shared NMR facility was provided by NSF (BIR-9512269), the Oklahoma State Regents for Higher Education, the W. M. Keck Foundation, and Conco, Inc. Finally, the authors wish to thank the OSU College of Arts and Sciences for funds to upgrade our departmental FT-IR and GC-MS instruments.

Chelsea Fortenberry is a 2011–2012 Niblack Undergraduate Research Scholar and Baskar Nammalwar is her mentor.