Synfacts, Table of Contents Synfacts 2014; 10(11): 1131DOI: 10.1055/s-0034-1379357 Synthesis of Heterocycles © Georg Thieme Verlag Stuttgart · New YorkSpirocyclic and Ring-Expanded Fused Pyrazoles Authors Contributor(s): Victor Snieckus Brandon P. Schuff (Pfizer) Recommend Article Abstract Buy Article(opens in new window)Key words Key wordspyrazoles - ring expansion - sigmatropic rearrangement - spirocycles Full Text