作者:James W. Pavlik、Vuthichai Ervithayasuporn、Supawan Tantayanon
DOI:10.1002/jhet.562
日期:2011.5
AbstractSynthetic methods have been developed to prepare pyrano[2,3‐c]pyrazoles with various substituents at ring positions 1, 3, and 6. The 1H‐ and 13C‐NMR properties of these products and their precursors are presented and discussed. J. Heterocyclic Chem., (2011).