Theory of 31P NMR chemical shifts. II. Bond-angle dependence
β Scribed by D Purdela
- Publisher
- Elsevier Science
- Year
- 1971
- Weight
- 1018 KB
- Volume
- 5
- Category
- Article
- ISSN
- 0022-2364
No coin nor oath required. For personal study only.
π SIMILAR VOLUMES
Over 60 lignin-related model compounds were phosphitylated with 2chloro-4,4,5,5-tetramethyldioxaphospholane, a sterically hindered analogue of 2-chloro-1,3,2-dioxaphospholane used in earlier work, and their 31P chemical shifts were recorded. Excellent resolution between the chemical shifts of phosph
## Abstract The chemically nonequivalent ^31^P nuclei of the DielsβAlder dimers of phospholium ions and phosphole oxides are coupled through three bonds by as much as 35β45 Hz. The chemical shift for a phosphorus atom in the 2βphospholene moiety falls in the expected range; the shift for the constr