sulfapyrazole synthesis
- Product Name:sulfapyrazole
- CAS Number:852-19-7
- Molecular formula:C16H16N4O2S
- Molecular Weight:328.39
![Ethanamine, N-[(3,5-dichlorophenyl)methylene]-2,2-diethoxy-](/CAS/20210305/GIF/1000210-73-0.gif)
1000210-73-0
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Yield: 91%
Reaction Conditions:
with water;sodium hydroxide for 2 h;Reflux;
Steps:
General procedure for the synthesis of 16a-f
General procedure: The corresponding amide 15a-f was heated to reflux in 2N NaOH aqueous solution (6ml) for 2 h. The reaction mixture was filtered and the filtrate was acidified with 1N HClto pH = 5. The precipitated solid was filtered to obtain the compounds 16a-f.
References:
Chen, Hui;Wang, Bin;Li, Peng;Yan, Hong;Li, Gang;Huang, Haihong;Lu, Yu [Bioorganic and Medicinal Chemistry Letters,2021,vol. 40,art. no. 127924] Location in patent:supporting information
1131-18-6
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