The correlation between the stereochemistry of some indole and oxindole alkaloids and their behaviour on thin layer chromatograms
β Scribed by J.D. Phillipson; E.J. Shellard
- Publisher
- Elsevier Science
- Year
- 1966
- Tongue
- English
- Weight
- 745 KB
- Volume
- 24
- Category
- Article
- ISSN
- 1873-3778
No coin nor oath required. For personal study only.
β¦ Synopsis
Adsorbents: Aluminium oxide G (Merck, 15 y0 calcium sulphate), 35 g/60 ml distilled water; Silica gel G (Merck), 30 g/60 ml distilled water.
Plate size: 20 x 20 cm. Layer thickness: 250 t_l.
Activation: Air dried for 15 min, heated at rag O for 60 min, stored in a desiccator over silica gel and reheated for 15 min at 105~ immediately prior to use.
Solvents : See below ; freshly distilled. Running distance: IO cm. Temperature : 22
π SIMILAR VOLUMES
The detection of A-ring-hydroxyiated estrogens and their methyl ethers on ascorbic acid-impregnatd paper and thin-layer chromatograms H. P. GEJLBKE 2nd
## SUbIMARY The RM values of phenol and' Ig methylated phenols on thin layers of cellulose impregnated with formamide, N-methylformamide or N,N-dimethylformamide are shown to be linearly related to the log of the concentration of the amide in the slurrying medium used in the preparation of the lay