71730-72-8Relevant academic research and scientific papers
Stereoisomerization in Heterocyclic Hydrazones Derived from 2-Acylpyridines and their Oxidative Cyclization with Mercury(II) Acetate and Lead Tetra-acetate to Fused 1,2,4-Triazoles and 1,2,3-Triazolium Systems
Butler, Richard N.,Johnston, Sean M.
, p. 2109 - 2116 (2007/10/02)
Hydrazones prepared by coupling 2-acylpyridines with arylhydrazines were isolated predominantly as E-isomers when the acyl substituent R was small (H or Me).When R was a phenyl group significant yields of Z-isomers, containing an intramolecular hydrogen b
