Cycloadditions of alkynyl esters and ethers with 1,2,3-tri-t-butyl azete
✍ Scribed by Mass, Gerhard; Regitz, Manfred; Rahm, Rainer; Schneider, J�rgen; Stang, Peter J.; Crittell, Charles M.
- Book ID
- 120204274
- Publisher
- The Royal Society of Chemistry
- Year
- 1990
- Tongue
- English
- Weight
- 274 KB
- Volume
- 20
- Category
- Article
- ISSN
- 0022-4936
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From measurements of phosphorescence and triplet-triplet absorption spectra of the title compounds, it is concluded that their lowest triplet states have a RL\* or mixed mr\*-xx\* character with relatively short lifetimes. This unusual character may be caused by distortion of the geometrical structu