H NMR spectra of the fluorenyl and the 9-methylfluorenyl anion
β Scribed by J. A. S. Maas; H. Kloosterziel
- Publisher
- Elsevier Science
- Year
- 2010
- Tongue
- English
- Weight
- 105 KB
- Volume
- 102
- Category
- Article
- ISSN
- 0165-0513
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Al~tract--The behaviour of 9-methylfluorenyl alkali salts is nearly the same as that of the corresponding fluorenyl salts, as shown by studies of the effects of temperature, counterion and solvent on the ultraviolet and visible spectra. A marked shift in ). max on substituting a methyl group on the
The title compounds, viz. C 13 H 8 (R)Ge (OCHMeCH 2 ) 3 N (1: R = H, 2: R = Me 3 Si; 3: R = Me 3 Ge) were prepared as mixtures of diastereomers by the reaction of N(CH 2 CHMeOSnAlk 3 ) 3 (7: Alk = Et; 8: Alk = Bu) with C 13 H 8 (R)GeBr 3 (4: R = H, 5: R = Me 3 Si; 6: R = Me 3 Ge), respectively. The