Diastéréotopies dans la série du benchrotrène
✍ Scribed by Jean Tirouflet; Jack Besancon; Francoise Mabon; Maryvonne L. Martin
- Publisher
- John Wiley and Sons
- Year
- 1976
- Tongue
- English
- Weight
- 435 KB
- Volume
- 8
- Category
- Article
- ISSN
- 0749-1581
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
## Abstract By condensation of the chlorides of the three 9‐oxo‐fluorene‐2‐, ‐3‐, and ‐4‐carboxylic acids with 4‐bromo‐1,2‐xylene on one side, and of the chlorides of __o__‐bromobenzoic acid, 2‐bromo‐4‐methyl‐benzoic acid and 2‐bromo‐4,5‐dimethyl‐benzoic acid with fluorene, 2‐methylfluorene and 3‐m
## Abstract By condensation of isophthaloyldichloride resp. of terephthaloyldichloride with 4‐bromo‐1,2‐xylene according __Friedel‐Crafts__, followed in each case by a double cyclisation and a final reduction, the 2,3,9,10‐tetramethyl‐7,12‐dihydro‐indeno[1,2‐__a__]fluorene resp. the 2,3,8,9‐tetrame
## Abstract Le temps de corrélation caractéristique de la relaxation quadripolaire du sodium‐23 est obtenu à partir de la largeur de raie. II satisfait à la relation de Debye‐Stokes‐Einstein. Moyennant certaines hypothéses, on peut en déduire un rayon de Stokes de 3, 7 Å pour le cation sodium dans