Rationalisation of the variation of reactivity towards cycloaddition with structure in 3-oxido-pyridinium and -azinium betaines and a study of 1-(4,6-dimethyl-2-pyrimidinyl)-3-oxidopyridinium
- 1 January 1975
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 11,p. 425-427
- https://doi.org/10.1039/c39750000425
Abstract
Frontier M.O. theory rationalises the effects of aza-substitution on the dimerisation tendency in 3-oxidopyridiniums, the 1-(2-pyrimidinyl) betaine displaying the predicted high reactivity; fulvenes add as 6 π-electron systems across the 2,6-positions of 3-oxido-pyridiniums.Keywords
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