Notes- Some 2-and 4-Substituted Estrone 3-Methyl Ethers
β Scribed by Tomson, Arthur; Horwitz, Jerome
- Book ID
- 125967008
- Publisher
- American Chemical Society
- Year
- 1959
- Tongue
- English
- Weight
- 572 KB
- Volume
- 24
- Category
- Article
- ISSN
- 0022-3263
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## Abstract The chemical shifts of the __N__βmethyl group in a series of 2β, 3β and 4βsubstituted __N__βmethylpyridinium salts have been measured in DMSO solution. The shift is primarily affected by resonance interaction between the substituent and aza group, and the results suggest that the resona
Three dimethyl-and one trimethyl-2.4dioxabicyclo[3.3.1 Inonanes were prepared and their configurations and conformations were determined by means of multinuclear high-field NMR spectroscopy. Even at 400 MHz the proton spectra were so degenerate that several 2D experiments and, also, deuterium NMR ha