1,3-Dipolar character of six-membered aromatic rings. Part XXI. Thermal cycloadditions of 1-(5-nitro-2-pyridyl)- and 1-(4,6-dimethylpyrimidin-2-yl)-3-oxidopyridinium with 2, 4, and 6 π-electron components
- 1 January 1976
- journal article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 1
- No. 21,p. 2307-2328
- https://doi.org/10.1039/p19760002307