Über 2-tert-Butyl-1,3,2λ5-dioxaphospholane und 2-tert-Butyl-1,2λ5-oxaphosphetane
✍ Scribed by Dakternieks, Dainis ;Röschenthaler, Gerd-Volker ;Sauerbrey, Karl ;Schmutzler, Reinhard
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 1979
- Tongue
- English
- Weight
- 441 KB
- Volume
- 112
- Category
- Article
- ISSN
- 0009-2940
No coin nor oath required. For personal study only.
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## Dedicated to Professor G. Wittig in grateful appreciation on his 75th birthday Oxygenation of heterocycles by singlet oxygen produced by photosensitization"] has recently excited great interest''].
## cis-2-tert-Butyl-5-(tert-butylsulphonyl )-1,3-dioxane displays a double tert-butyl coalescence at low temperatures in its 13C CP/MAS NMR spectrum associated with slowing down of the rotation of both tert-butyl groups. The overlap of the resonances precluded the measurement of rates of rotation f