Quantitative microconversion of semicarbazones into 2,4-dinitrophenylhydrazones
โ Scribed by Daniel P. Schwartz
- Publisher
- Elsevier Science
- Year
- 1962
- Tongue
- English
- Weight
- 142 KB
- Volume
- 6
- Category
- Article
- ISSN
- 0026-265X
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๐ SIMILAR VOLUMES
## We dedicate this work to a distinguished organic chemist, รakฤฑl ERK, who died in the summer of 2005. The o-dihydroxy-(2a-b), dimethoxy (3a-b), ethylendioxy-(4a-b) and macrocyclic polyethers (4c-i) are the initial compounds while the 2,4-dinitrophenylhydrazone compounds (5a-d, 6a-i) represent ne
Thin-layer chromatography of keto acid 2,4-dinitrophenylhydrazones was carried out on plate coated with silica gel and sodium bicarbonate. A clear separation was obtained between most of the various keto acid hydrazones. The hydrazone was eluted from the plate with methanol containing 1% concentrate