Butyllithium-induced cyclotrimerisation reactions of organic nitriles: solvent dependency, crystal and solution structures of lithio triazine intermediates and an unexpected rearrangement of dihydrotriazino anions
- 1 January 1993
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 7,p. 608-610
- https://doi.org/10.1039/c39930000608
Abstract
Sequential addition of ButCN and PhCN (2 equiv.) to BunLi in the presence of tetrahydrofuran (THF) produces an isolable lithio 1,4 dihydrotriazine tris(THF) solvate, characterized by both NMR spectroscopic X-ray crystallographic methods, which converts to a 1,2-dihydro arrangement on methanolysis.Keywords
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