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CAS No. : | 157368-82-6 | MDL No. : | MFCD18801052 |
Formula : | C8H8N2O2 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | - |
M.W : | 164.16 g/mol | Pubchem ID : | - |
Synonyms : |
|
Signal Word: | Warning | Class: | |
Precautionary Statements: | P261-P264-P270-P271-P280-P301+P312-P302+P352-P304+P340-P305+P351+P338-P330-P332+P313-P337+P313-P362-P403+P233-P405-P501 | UN#: | |
Hazard Statements: | H302-H315-H319-H335 | Packing Group: | |
GHS Pictogram: |
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Yield | Reaction Conditions | Operation in experiment |
---|---|---|
72% | With acetylhydroxamic acid; potassium tert-butylate; In N,N-dimethyl-formamide; at 20℃; for 16h; | To a solution of N-hydroxyacetamide (3.2 g, 42 mmol) in dry N,N-dimethylformamide (50 mL ) at room temperature was added potassium 7-butoxide (6.6 g, 59 mmol). After stirring for 30 minutes, <strong>[38469-83-9]4-methoxy-2-nitrobenzonitrile</strong> (3.0 g, 17 mmol) was added, and stirring was continued for another 16 hours. On completion, the reaction mixture was quenched with water and extracted with ethyl acetate (3 100 mL). The combined organic layers were washed with water and brine, dried over anhydrous sodium sulfate, concentrated in vacuo and purified by silica gel chromatography [petroleum ether: ethyl acetate = 1: 1] to give compound A-5 (2.0 g, 72% yield) as a yellow solid. LCMS (J): (ES+) m/z (M+H)+ = 165.1, tR= 1.164 min. |
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