## Abstract magnified image Synthesis of several potential impurities and/or degradation products of zaleplon is identified. All the prepared compounds were unambiguously identified by NMR techniques. Spectral characteristics (IR, UV, MS) of these compounds are also given. J. Heterocyclic Chem., (2
Synthesis of Some Impurities and/or Degradation Products of Atorvastatin
✍ Scribed by Stach, Jan; Havlíček, Jaroslav; Plaček, Lukáš; Rádl, Stanislav
- Book ID
- 118741106
- Publisher
- UOCHB
- Year
- 2008
- Tongue
- English
- Weight
- 380 KB
- Volume
- 73
- Category
- Article
- ISSN
- 0010-0765
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
The preparation of this base was carried out in exactly the same manner as for (+)-N-methylpavine from its bitartrate salt. The product, after recrystallization from aqueous ethanol, possessed a melting point of 130-140" (with effervescence); (a] gB -209" (c 1.0, CzH60H). On drying the crystals in
which is capable of spreading. The spreading test may also be applied in certain cases to the detection of solid contaminants, such as detergents which are leached by solvents. The recent report of silicones present in disposable syringes (10) suggests another possible application. Silicones are sur