(S)-(-)-2-Hydrazinyl-2-oxo-N-(1-phenylethyl)acetamide
CAS: 6152-25-6
Rif. 3D-FH149892
1g | Fuori produzione | ||
50mg | Fuori produzione | ||
100mg | Fuori produzione | ||
250mg | Fuori produzione | ||
500mg | Fuori produzione |
Informazioni sul prodotto
- (S)-(-)-5-(alpha-Phenylethyl)semioxamazide
- 2-hydrazinyl-2-oxo-N-(1-phenylethyl)acetamide
- 2-hydrazinyl-2-oxo-N-[(1S)-1-phenylethyl]acetamide
The preparation of (S)-(-)-2-hydrazinyl-2-oxo-N-(1-phenylethyl)acetamide can be achieved by the following steps:
1. Dissolve 3 g of hydrazine in 100 ml of toluene and heat to reflux.
2. Add a solution of 2 g of oxalic acid in 50 ml of diethyl ether dropwise over 30 minutes.
3. Cool the mixture to room temperature, add 10 ml of water, extract with ethyl acetate, wash with water and dry the organic layer over magnesium sulfate.
4. Concentrate the filtrate by evaporation under vacuum and then dissolve in hexane or diethyl ether and stir for 1 hour at room temperature to give crystalline material which is filtered off and washed with hexane or diethyl ether.br>
5. Recrystallize from hexane or dieth